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1. Detection of extended TeV emission around the Geminga pulsar with H.E.S.S

Author: Michael Punch, Christo Venter, Christian Stegmann, Stefan Wagner, Andreas Zech, Yasunobu Uchiyama, M. Hörbe, L. Mohrmann, Hassan Abdalla, Albert Seyffert, Michael Backes, Laenita Lorraine Oberholzer, Dieter Horns, K. Nakashima, Tim Holch, K. Bernloehr, Naomi Tsuji, Heinrich J. Völk, Regis Terrier, Carlo Romoli, Gerard Fontaine, Tadayuki Takahashi, M. Fuessling, Hester Schutte, S. Steinmassl, Samuel Timothy Spencer, Sami Caroff, Victor Doroshenko, Frank M. Rieger, Clemens Hoischen, A. A. Zdziarski, P. T. O'Brien, Markus Holler, Q. Remy, Felix Jankowsky, Hannah Dalgleish, German Hermann, Paul Morris, Anne Lemiere, E. Kasai, Louis Du Plessis, Johann van der Walt, Martin Tluczykont, Dan Parsons, Anna Barnacka, D. Malyshev, Nukri Komin, Tom Armstrong, Felix Aharonian, Gilles Maurin, J. F. Glicenstein, David Sanchez, Krzysztof Katarzynski, Victor Barbosa Martins, Ira Jung, C. Arcaro, Sebastian Panny, Gianluca Giavitto, Angel Noel, Bruno Khelifi, Alison Mitchell, Santiago Pita, Werner Hofmann, Gašper Kukec Mezek, Atreyee Sinha, Emma Ona-Wilhelmi, Jonathan Mackey, Carlo van Rensburg, Gerd Puehlhofer, Lei Sun, Laura Olivera-Nieto, Hambeleleni Ndiyavala, Floriane Cangemi, A. Yusafzai, C. Levy, Alexandre Marcowith, Felix Werner, Thomas Lohse, Hend Yassin, Anton Dmytriiev, Manuel Meyer, Arnaud Mares, Manami Sasaki, Mathieu Naurois, Catherine Boisson, Jhilik Majumdar, N. Zywucka, Sumari Hattingh, Takaaki Tanaka, Gavin Rowell, Hector Rueda Ricarte, Mathieu Bony, Oguzhan Anguener, C. Moore, Riaan Steenkamp, Richard White, Kirsty Feijen, Heike Prokoph, Thomas Bylund, Rowan Batzofin, Andreas Zmija, Dorit Glawion, Samuel Zouari, Tomasz Bulik, Robert Brose, Andrea Santangelo, Jacco Vink, Michal Ostrowski, Anna Luashvili, Jacques Muller, Malgorzata Curlo, Marion Spir-Jacob, M. Lemoine-Goumard, Lente Dreyer, David Huber, J.-P. Lenain, Matthieu Renaud, Amid Nayerhoda, Hugh Spackman, Michael Kreter, Justine Devin, Sabrina Casanova, Anu Kundu, Stefan Klepser, V. Sahakian, G. Peron, Alessandro Montanari, Garret Cotter, Vikas Joshi, Zhiqiu Huang, T. Chand, Lott Frans, D. A. Prokhorov, K. Kosack, Sylvia Zhu, P. J. Meintjes, David Berge, Yves Gallant, Lukasz Stawarz, Stefan Ohm, Halim Ashkar, Fabian Leuschner, Jason John Watson, Davit Zargaryan, Arache Djannati-Ataï, Johannes Schaefer, S. J. Fegan, Andreas Quirrenbach, Gaëtan Fichet de Clairfontaine, Axel Donath, A. W. Chen, Stefan Funk, Alicja Wierzcholska, Guillem Marti'i-Devesa, P. Reichherzer, V. Poireau, Jimmy N.S. Shapopi, Jaqueline Catalano, Stefano Gabici, Ramin Marx, M. Panter, Michael Zacharias, Jim Hinton, Jean-Pierre Ernenwein, U. Katz, G. Lamanna, R. Konno, Isak Delberth Davids, Fabian Schüssler, A. Fiasson, Sabrina Einecke, Iryna Lypova, S. Sailer, Dmitry Khangulyan, Charles Thorpe-Morgan, Roberta Zanin, Emmanuel Moulin, Andrew Taylor, B. Rudak, Kathrin Egberts, Johannes Veh, J. Bolmont, Faical Ait-Benkhali, Kleopas Shiningayamwe, Jacek Niemiec, G. Vasileiadis, Monica Barnard, Yvonne Becherini, Denys Malyshev, Maria Haupt, Olaf Reimer, Edna Ruiz Velasco, Lenka Tomankova, Sébastien Le Stum, Thomas Murach, Christopher van Eldik, Rafal Moderski, Mohanraj Senniappan, Francois Brun, P. Vincent, Heiko Salzmann, Andreas Specovius, Yu Wun Wong, Vincent Marandon, Hannes Thiersen, Vardan Baghmanyan, Celine Armand, Dmitriy Kostunin, L. Giunti, Brian van Soelen, Thomas Tavernier, Markus Boettcher, Michelle Tsirou, M.-H. Grondin, Rachel Simoni, Anita Reimer, Constantin Steppa, Ullrich Schwanke, Jean Damascene Mbarubucyeye, Wlodek Kluzniak, Brian Reville, Connor Duffy, James Davies, R. J. Tuffs, B. Bi, Mischa Breuhaus, Pauline Chambery, Marek Jamrozy, Helene Sol, Paolo Marchegiani, Laboratoire d'Annecy de Physique des Particules (LAPP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), and H.E.S.S.
Subjects: High Energy Astrophysical Phenomena (astro-ph.HE), Physics, Astrophysics::High Energy Astrophysical Phenomena, Gamma rays, Astrophysics::Instrumentation and Methods for Astrophysics, FOS: Physical sciences, imaging, Astronomy, IACT, Cosmology, Tellurium compounds, Cherenkov counter, gamma ray: emission, Pulsar, HESS, Milagro, TeV, HESS - Abteilung Hinton, [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph], Astrophysics - High Energy Astrophysical Phenomena, HAWC, Cosmic rays, Cherenkov radiation, pulsar
Abstract: Highly extended gamma-ray emission around the Geminga pulsar was discovered by Milagro and verified by HAWC. Despite many observations with Imaging Atmospheric Cherenkov Telescopes (IACTs), detection of gamma-ray emission on angular scales exceeding the IACT field-of-view has proven challenging. Recent developments in analysis techniques have enabled the detection of significant emission around Geminga in archival data with H.E.S.S.. In 2019, further data on the Geminga region were obtained with an adapted observation strategy. Following the announcement of the detection of significant TeV emission around Geminga in archival data, in this contribution we present the detection in an independent dataset. New analysis results will be presented, and emphasis given to the technical challenges involved in observations of highly extended gamma-ray emission with IACTs., PoS: Proceedings of Science, 395, ISSN:1824-8039, Proceedings of 37th International Cosmic Ray Conference
Published: 2022

2. Limits on primordial black hole evaporation from H.E.S.S. observations

Author: Hannah Dalgleish, Michael Punch, Samuel Timothy Spencer, Stefan Ohm, Stefan Klepser, M. Fuessling, Constantin Steppa, Markus Holler, Q. Remy, Felix Jankowsky, Alessandro Montanari, Stefano Gabici, Felix Aharonian, Dan Parsons, S. Steinmassl, Sami Caroff, Gianluca Giavitto, Sumari Hattingh, Takaaki Tanaka, Ramin Marx, M. Panter, Laura Olivera-Nieto, A. Yusafzai, M.-H. Grondin, U. Katz, N. Zywucka, Alison Mitchell, Krzysztof Katarzynski, Catherine Boisson, J. Bolmont, Victor Barbosa Martins, Ullrich Schwanke, P. T. O'Brien, Jhilik Majumdar, Markus Boettcher, Faical Ait-Benkhali, Dieter Horns, C. Arcaro, Floriane Cangemi, V. Poireau, Jimmy N.S. Shapopi, Jean Damascene Mbarubucyeye, Wlodek Kluzniak, Clemens Hoischen, A. A. Zdziarski, Carlo van Rensburg, Albert Seyffert, Justine Devin, Gavin Rowell, G. Vasileiadis, Johann van der Walt, V. Sahakian, K. Nakashima, Sébastien Le Stum, Denys Malyshev, Regis Terrier, Mathieu Bony, Oguzhan Anguener, Tadayuki Takahashi, Victor Doroshenko, L. Giunti, E. Kasai, Vikas Joshi, Carlo Romoli, Yves Gallant, Frank M. Rieger, Atreyee Sinha, Kirsty Feijen, K. Bernloehr, Samuel Zouari, Andreas Zmija, Christian Stegmann, Michal Ostrowski, Stefan Wagner, J.-P. Lenain, Christo Venter, Hugh Spackman, S. J. Fegan, Andreas Zech, Jason John Watson, Heinrich J. Völk, Jean-Pierre Ernenwein, M. Lemoine-Goumard, Yasunobu Uchiyama, Matthieu Renaud, Mohanraj Senniappan, L. Mohrmann, Lukasz Stawarz, Anton Dmytriiev, German Hermann, Paul Morris, Johannes Veh, Brian Reville, Connor Duffy, James Davies, Stefan Funk, Alicja Wierzcholska, Michelle Tsirou, Michael Kreter, Anne Lemiere, Rachel Simoni, Andreas Quirrenbach, Manami Sasaki, R. J. Tuffs, B. Bi, Guillem Marti'i-Devesa, Jacek Niemiec, M. Hörbe, Andreas Specovius, Andrea Santangelo, Mischa Breuhaus, Pauline Chambery, Olaf Reimer, Michael Zacharias, Emma Ona-Wilhelmi, Martin Tluczykont, Yu Wun Wong, Robert Brose, Michael Backes, Francois Brun, Thomas Lohse, Marek Jamrozy, Jaqueline Catalano, T. Chand, Thomas Murach, Arache Djannati-Ataï, P. Reichherzer, Gašper Kukec Mezek, P. Vincent, Anita Reimer, Laenita Lorraine Oberholzer, Nukri Komin, G. Lamanna, Helene Sol, R. Konno, Monica Barnard, Anna Barnacka, Heiko Salzmann, G. Peron, Vincent Marandon, Hannes Thiersen, Andrew Taylor, Garret Cotter, Tim Holch, Dmitriy Kostunin, Hend Yassin, Isak Delberth Davids, Manuel Meyer, A. Fiasson, Tom Armstrong, Celine Armand, Johannes Schaefer, Roberta Zanin, Zhiqiu Huang, Paolo Marchegiani, Vardan Baghmanyan, Naomi Tsuji, Mathieu Naurois, D. A. Prokhorov, K. Kosack, Gerard Fontaine, Brian van Soelen, David Sanchez, Santiago Pita, Werner Hofmann, Hester Schutte, Hambeleleni Ndiyavala, Gilles Maurin, J. F. Glicenstein, Thomas Tavernier, Kleopas Shiningayamwe, Bruno Khelifi, Edna Ruiz Velasco, Lenka Tomankova, Sabrina Einecke, Iryna Lypova, Yvonne Becherini, Hassan Abdalla, C. Levy, Sylvia Zhu, P. J. Meintjes, David Berge, Richard White, Jacco Vink, Heike Prokoph, Marion Spir-Jacob, David Huber, Amid Nayerhoda, Maria Haupt, Sabrina Casanova, Halim Ashkar, Fabian Leuschner, B. Rudak, Kathrin Egberts, Christopher van Eldik, Rafal Moderski, Anna Luashvili, Lott Frans, Jim Hinton, S. Sailer, Dmitry Khangulyan, Charles Thorpe-Morgan, Angel Noel, Jonathan Mackey, C. Moore, Dorit Glawion, Davit Zargaryan, Tomasz Bulik, Malgorzata Curlo, Lente Dreyer, Gaëtan Fichet de Clairfontaine, Axel Donath, A. W. Chen, Riaan Steenkamp, Fabian Schüssler, Emmanuel Moulin, Thomas Bylund, Rowan Batzofin, Jacques Muller, Hector Rueda Ricarte, Louis Du Plessis, Anu Kundu, D. Malyshev, Ira Jung, Sebastian Panny, Gerd Puehlhofer, Lei Sun, Alexandre Marcowith, Felix Werner, and Arnaud Mares
Subjects: Physics, Astrophysics::High Energy Astrophysical Phenomena, media_common.quotation_subject, Gravitational collapse, Evaporation, Order (ring theory), Primordial black hole, Astrophysics, Radiation, Universe, media_common, Hawking radiation
Abstract: Primordial Black Holes are expected to be formed in the early Universe by the gravitational collapse of overdense regions, among other mechanisms. They are also expected to loose their mass over time by the Hawking radiation process. As the rates of this radiation increase with temperature, the PBH evaporation should result in a violent explosion. The current upper limits on explosion rates are on the order of 10$^{4}$ − 10$^{5}$pc$^{-3}$yr$^{-1}$. In this contribution we'll present the results of a search for TeV γ-ray burst within timescale of few seconds, using nearly 5000 hours of H.E.S.S. data. The search algorithm and statistical estimation strategy will be presented as well as cosmological implications of this measurement.
Published: 2022

3. H.E.S.S. ToO program on nearby core-collapse Supernovae : search for very-high energy γ-ray emission towards the SN candidate AT2019krl in M74

Author: German Hermann, Paul Morris, Tadayuki Takahashi, Victor Doroshenko, Ramin Marx, Marek Jamrozy, E. Kasai, Jean-Pierre Ernenwein, Helene Sol, M. Panter, Denys Malyshev, U. Katz, Stefan Klepser, Alessandro Montanari, Markus Boettcher, Jacek Niemiec, Johannes Veh, Olaf Reimer, Regis Terrier, Robert Brose, M.-H. Grondin, Paolo Marchegiani, Matthieu Renaud, Stefan Ohm, Faical Ait-Benkhali, Thomas Murach, Carlo Romoli, Frank M. Rieger, Constantin Steppa, T. Chand, Laura Olivera-Nieto, Mohanraj Senniappan, G. Peron, Stefano Gabici, A. Yusafzai, Garret Cotter, Zhiqiu Huang, D. A. Prokhorov, K. Kosack, Ullrich Schwanke, Johannes Schaefer, Sébastien Le Stum, Jean Damascene Mbarubucyeye, Wlodek Kluzniak, Arache Djannati-Ataï, Hannah Dalgleish, P. Reichherzer, Santiago Pita, Justine Devin, Hambeleleni Ndiyavala, Martin Tluczykont, Maria Haupt, J. Bolmont, G. Lamanna, M. Hörbe, Albert Seyffert, Isak Delberth Davids, A. Fiasson, Rachel Simoni, Roberta Zanin, P. T. O'Brien, Samuel Timothy Spencer, Brian Reville, Connor Duffy, C. Levy, James Davies, Dmitriy Kostunin, Gašper Kukec Mezek, Michal Ostrowski, Michael Backes, R. J. Tuffs, B. Bi, J.-P. Lenain, Jaqueline Catalano, Hugh Spackman, Dan Parsons, Halim Ashkar, Fabian Leuschner, Atreyee Sinha, Mathieu Bony, Oguzhan Anguener, S. J. Fegan, Brian van Soelen, N. Zywucka, Mischa Breuhaus, Pauline Chambery, Anton Dmytriiev, Laenita Lorraine Oberholzer, K. Nakashima, Christo Venter, Hend Yassin, Tim Holch, Kirsty Feijen, M. Fuessling, R. Konno, Manami Sasaki, Anna Barnacka, Markus Holler, Q. Remy, Felix Jankowsky, Manuel Meyer, Francois Brun, Andrew Taylor, Vikas Joshi, K. Bernloehr, P. Vincent, Anita Reimer, Krzysztof Katarzynski, Naomi Tsuji, Stefan Funk, Andrea Santangelo, Alicja Wierzcholska, Mathieu Naurois, Thomas Tavernier, Catherine Boisson, Floriane Cangemi, Gerard Fontaine, Anne Lemiere, Felix Aharonian, B. Rudak, V. Poireau, Kathrin Egberts, Jimmy N.S. Shapopi, S. Steinmassl, Sami Caroff, Heiko Salzmann, Hester Schutte, Jhilik Majumdar, Heinrich J. Völk, Andreas Specovius, Lukasz Stawarz, G. Vasileiadis, Richard White, Victor Barbosa Martins, Andreas Zmija, Jacco Vink, M. Lemoine-Goumard, Yu Wun Wong, Alison Mitchell, Jason John Watson, Celine Armand, David Huber, Andreas Quirrenbach, Sabrina Casanova, Emma Ona-Wilhelmi, Michael Kreter, Vincent Marandon, Hannes Thiersen, Guillem Marti'i-Devesa, Nukri Komin, Tom Armstrong, L. Giunti, Vardan Baghmanyan, Michael Zacharias, Christian Stegmann, Thomas Lohse, Stefan Wagner, Andreas Zech, Yasunobu Uchiyama, L. Mohrmann, Carlo van Rensburg, C. Arcaro, Christopher van Eldik, Samuel Zouari, Rafal Moderski, V. Sahakian, David Sanchez, Gavin Rowell, Michelle Tsirou, Yves Gallant, Kleopas Shiningayamwe, Werner Hofmann, Sabrina Einecke, Edna Ruiz Velasco, Iryna Lypova, Yvonne Becherini, Lenka Tomankova, Heike Prokoph, Monica Barnard, Marion Spir-Jacob, Amid Nayerhoda, Gilles Maurin, J. F. Glicenstein, Sylvia Zhu, P. J. Meintjes, David Berge, Bruno Khelifi, Jim Hinton, S. Sailer, Dmitry Khangulyan, Charles Thorpe-Morgan, Hassan Abdalla, Davit Zargaryan, Gaëtan Fichet de Clairfontaine, Axel Donath, A. W. Chen, Fabian Schüssler, Emmanuel Moulin, Gianluca Giavitto, Ira Jung, Sebastian Panny, Louis Du Plessis, Sumari Hattingh, Gerd Puehlhofer, Lei Sun, Thomas Bylund, Rowan Batzofin, Takaaki Tanaka, Alexandre Marcowith, Felix Werner, Jacques Muller, Anna Luashvili, Stuart Ryder, Lott Frans, Arnaud Mares, Hector Rueda Ricarte, Angel Noel, Jonathan Mackey, C. Moore, Dorit Glawion, D. Malyshev, Tomasz Bulik, Riaan Steenkamp, Malgorzata Curlo, Lente Dreyer, Anu Kundu, Michael Punch, Dieter Horns, Clemens Hoischen, A. A. Zdziarski, and Johann van der Walt
Subjects: Core (optical fiber), Physics, Supernova, High energy, Gamma ray, Collapse (topology), Astrophysics
Abstract: While the youngest known supernova remnants (SNRs), such as Cassiopeia A (Cas A), have been proven to be able to accelerate cosmic rays (CRs) only up to ∼ 10$^{14}$ eV at their present evolutionary stages, recent studies have shown that particle energies larger than a few PeV (10$^{15}$ eV) could be reached during the early stages of a core-collapse Supernova (cc-SN), when the high-velocity forward shock expands into the dense circumstellar medium (CSM) shaped by the stellar progenitor wind. Such environments, in particular the type IIn SNe whose progenitors may exhibit mass loss rates as high as 10$^{-2}$ M$_{\bigodot}$ yr$^{-1}$, could thus lead to γ-ray emission from $\pi ^{0}$ decay in hadronic interactions, potentially detectable with current Cherenkov telescopes at very-high energies. Such a detection would provide direct evidence for efficient acceleration of CR protons/nuclei in supernovae, and hence new insights on the long-standing issue of the origin of Galactic Cosmic Rays. In that context, the High Energy Stereoscopic System (H.E.S.S.) has been carrying out a Target of Opportunity program since 2016 to search for such an early very-high-energy γ-ray emission towards nearby core-collapse supernovae and supernova candidates (up to ∼ 10 Mpc), within a few weeks after discovery. After giving an overview of this H.E.S.S. Target of Opportunity program, we present the results obtained from the July 2019 observations towards the transient AT2019krl, originally classified as a type IIn supernova, which occurred in the galaxy M74 at ∼ 9.8 Mpc. Although its nature still remains unclear, the derived H.E.S.S. constraints on this transient are placed in the general context of the expected VHE γ-ray emission from core-collapse supernovae.
Published: 2022

4. TeV Emission of Galactic Plane Sources with HAWC and H.E.S.S

Author: Nicola Omodei, Sebastian Panny, A. Sandoval, Q. Piel, S. Raab, Arturo Iriarte, Kirsty Feijen, R. D. Parsons, Michael Newbold, J. Zorn, Michael Schneider, Fernando Garfias, D. Huber, Christo Venter, Jacek Niemiec, Arnaud Mares, Frank M. Rieger, Thomas Weisgarber, A. Dmytriiev, Olaf Reimer, A. Zech, E. Ruiz-Velasco, Thomas Bylund, Y. A. Gallant, David Sánchez, R. López-Coto, Jorge Cotzomi, Jacques Muller, H. León Vargas, Alison Peisker, Justine Devin, Thomas Murach, P. Morris, Harm Schoorlemmer, Jonathan Mackey, Andrea Albert, Samuel Zouari, Pascal Vincent, M. Zacharias, Stefan Ohm, S. Pita, Tadayuki Takahashi, Gilgamesh Luis-Raya, A. Yusafzai, Andreas Quirrenbach, Samuel Timothy Spencer, Stefano Gabici, Regis Terrier, Victor Doroshenko, L. Nellen, Włodek Kluźniak, R. Noriega-Papaqui, E. Kasai, C. Moore, L. Oakes, J. Bolmont, Michal Ostrowski, J.-P. Lenain, Pooja Surajbali, William H. Lee, L. Olivera-Nieto, E. Moulin, Tomasz Bulik, Rhiannon Turner, Lente Dreyer, O. Martinez, Stefan Klepser, Alessandro Montanari, D. J. van der Walt, Fernando Ureña-Mena, J. P. Harding, César Alvarez, Michael DuVernois, A.M. Taylor, J. C. Arteaga-Velézquez, Connor Duffy, Davit Zargaryan, R. J. White, Stefan Funk, Alicja Wierzcholska, Dmitriy Kostunin, J. Damascene Mbarubucyeye, R. Rauth, Maria Magdalena González, Kristi Engel, A. Galván-Gámez, Christoph Deil, Krzysztof Katarzynski, F. Eichhorn, Mohanraj Senniappan, E. Moreno, Michael Punch, Axel Donath, B. Hona, A. W. Chen, S. Steinmassl, Sami Caroff, Domenico Tiziani, D. Malyshev, Catherine Boisson, M. Panter, Mora Durocher, U. Katz, Pedro Miranda-Romagnoli, C. Arcaro, H. Zhou, Michael Backes, S. Coutiño de León, Ernesto Belmont-Moreno, M. de Bony de Lavergne, R. Brose, Petra Hüntemeyer, C. Levy, Francois Brun, R. J. Tuffs, B. Bi, Andreas Specovius, Joachim Hahn, K. P. Arunbabu, Riaan Steenkamp, Gavin Rowell, P. Reichherzer, James E. M. Watson, M. Bryan, E. de Oña Wilhelmi, Łukasz Stawarz, C. van Rensburg, Pierre Brun, Brenda Dingus, V. Marandon, J. A. Morales-Soto, M. Büchele, H. Prokoph, C. De León, A. Marcowith, V. Baghmanyan, J. Schäfer, Nu. Komin, Tim Holch, Q. Remy, H. M. Schutte, Isak Delberth Davids, A. Fiasson, Jean-Pierre Ernenwein, Hassan Abdalla, S. Hernandez, Jim Hinton, V. Sahakian, E. De la Fuente, F. Werner, Mischa Breuhaus, Luis Villaseñor, Yu Wun Wong, Hambeleleni Ndiyavala, D. Avila Rojas, G. Lamanna, K. S. Caballero-Mora, Roberta Zanin, G. Emery, Halim Ashkar, Fabian Leuschner, Heiko Salzmann, A. S. Seyffert, Kwok Lung Fan, M. Hörbe, T. Tavernier, Nissim Illich Fraija, P. T. O'Brien, Johannes Veh, S. Sailer, Dmitry Khangulyan, Gilles Maurin, S. J. Fegan, A. Djannati-Ataï, D. Jankowsky, J. Dyks, Celine Armand, M. Füßling, R. Marx, Dieter Horns, M. Tluczykont, F. Ait Benkhali, J. F. Glicenstein, M. U. Nisa, Marek Jamrozy, Clemens Hoischen, A. A. Zdziarski, A. Jardin-Blicq, E. O. Angüner, R. Diaz Hernandez, N. Shafi, Natalia Żywucka, M. de Naurois, Andrea Santangelo, K. Malone, Gwenael Giacinti, L. Sun, M.-H. Grondin, D. Garcia, M. Seglar-Arroyo, B. Khélifi, A. J. Smith, T. Capistrán, B. van Soelen, G. Hermann, Anna Barnacka, D. Gottschall, Anne Lemiere, B. Rudak, Markus Böttcher, K. Tollefson, Jhilik Majumdar, Helene Sol, T. Chand, C. Brisbois, Andreas Zmija, Tom Armstrong, Elijah Willox, Carlo Romoli, Alison Mitchell, R. Torres-Escobedo, Atreyee Sinha, Manuel Meyer, I. Martinez-Castellanos, Zorawar Wadiasingh, A. Priyana Noel, V. Barbosa Martins, C. van Eldik, M. Lemoine-Goumard, M. Tsirou, Michael Kreter, Anna Lia Longinotti, F. Schüssler, Dezhi Huang, Jose Andres Garcia-Gonzalez, Werner Hofmann, Monica Barnard, Juan Carlos Diaz-Velez, V. Poireau, Jimmy N.S. Shapopi, K. Nakashima, José Serna-Franco, G. Peron, Garret Cotter, Jacco Vink, A. Carraminana, Umberto Cotti, Jim Davies, M. A. Kastendieck, Thomas Lohse, K. Kosack, Paolo Marchegiani, Konrad Bernlöhr, Heinrich J. Völk, Sabrina Casanova, Catalina Espinoza, M. Renaud, D. Berge, G. Vasileiadis, F. Salesa Greus, I. Jung-Richardt, Kleopas Shiningayamwe, Gilles Fontaine, J. T. Linnemann, Lenka Tomankova, M. Mostafá, G. Fichet de Clairfontaine, R. Konno, Gianluca Giavitto, V. Joshi, B. Peyaud, G. Pühlhofer, J. A. Goodman, H. Odaka, A. Reimer, R. W. Ellsworth, R. W. Springer, M. Curyło, F. Hueyotl-Zahuantitla, E. G. Pérez-Pérez, Y. Pérez Araujo, A. Nayerhoda, Christian Stegmann, Stefan Wagner, Yasunobu Uchiyama, David Kieda, L. Mohrmann, Misao Sasaki, Markus Holler, Felix Jankowsky, Felix Aharonian, D. Glawion, Jesús Martínez-Castro, Segev BenZvi, Constantin Steppa, L. Giunti, D. A. Prokhorov, Ullrich Schwanke, L. Rinchiuso, J. A. Matthews, Ibrahim Torres, Rachel Simoni, A. Carosi, K. Egberts, S. Chandra, Ruben Alfaro, Sabrina Einecke, Iryna Lypova, Daniel Rosa-Gonzalez, Yvonne Becherini, M. Fernández Alonso, L. Dirson, G. Martí-Devesa, C. Trichard, Sylvia Zhu, P. J. Meintjes, J. H. E. Thiersen, Marion Spir-Jacob, Maria Haupt, C. D. Rho, Rafal Moderski, Centre de Physique des Particules de Marseille (CPPM), Aix Marseille Université (AMU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Laboratoire d'Annecy de Physique des Particules (LAPP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE (UMR_7585)), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), AstroParticule et Cosmologie (APC (UMR_7164)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité), Laboratoire Leprince-Ringuet (LLR), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-École polytechnique (X)-Centre National de la Recherche Scientifique (CNRS), Laboratoire Univers et Particules de Montpellier (LUPM), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS), Centre d'Etudes Nucléaires de Bordeaux Gradignan (CENBG), Université Sciences et Technologies - Bordeaux 1 (UB)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Gravitation and Astroparticle Physics Amsterdam, High Energy Astrophys. & Astropart. Phys (API, FNWI), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP), Centre National de la Recherche Scientifique (CNRS)-École polytechnique (X)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), Centre National de la Recherche Scientifique (CNRS)-Université de Montpellier (UM)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Montpellier 2 - Sciences et Techniques (UM2), Université Sciences et Technologies - Bordeaux 1-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Collaboration, H.E.S.S., and Collaboration, HAWC
Subjects: High-energy astronomy, media_common.quotation_subject, Astrophysics::High Energy Astrophysical Phenomena, FOS: Physical sciences, IACT, Field of view, 030226 pharmacology & pharmacy, 01 natural sciences, 03 medical and health sciences, 0302 clinical medicine, Observatory, 0103 physical sciences, High Energy Stereoscopic System, 010303 astronomy & astrophysics, Instrumentation and Methods for Astrophysics (astro-ph.IM), Cherenkov radiation, media_common, Physics, [PHYS]Physics [physics], Astrophysics::Instrumentation and Methods for Astrophysics, Astronomy, Astronomy and Astrophysics, Galactic plane, Space and Planetary Science, Sky, Astrophysics - Instrumentation and Methods for Astrophysics, [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph], High energy astrophysics
Abstract: International audience; The High Altitude Water Cherenkov (HAWC) observatory and the High Energy Stereoscopic System (H.E.S.S.) are two leading instruments in the ground-based very-high-energy γ-ray domain. HAWC employs the water Cherenkov detection (WCD) technique, while H.E.S.S. is an array of Imaging Atmospheric Cherenkov Telescopes (IACTs). The two facilities therefore differ in multiple aspects, including their observation strategy, the size of their field of view, and their angular resolution, leading to different analysis approaches. Until now, it has been unclear if the results of observations by both types of instruments are consistent: several of the recently discovered HAWC sources have been followed up by IACTs, resulting in a confirmed detection only in a minority of cases. With this paper, we go further and try to resolve the tensions between previous results by performing a new analysis of the H.E.S.S. Galactic plane survey data, applying an analysis technique comparable between H.E.S.S. and HAWC. Events above 1 TeV are selected for both data sets, the point-spread function of H.E.S.S. is broadened to approach that of HAWC, and a similar background estimation method is used. This is the first detailed comparison of the Galactic plane observed by both instruments. H.E.S.S. can confirm the γ-ray emission of four HAWC sources among seven previously undetected by IACTs, while the three others have measured fluxes below the sensitivity of the H.E.S.S. data set. Remaining differences in the overall γ-ray flux can be explained by the systematic uncertainties. Therefore, we confirm a consistent view of the γ-ray sky between WCD and IACT techniques.
Published: 2021

5. Is PKS 0625-354 another variable TeV active galactic nucleus?

Author: Halim Ashkar, Fabian Leuschner, Gilles Maurin, Riaan Steenkamp, J. F. Glicenstein, Heike Prokoph, Bruno Khelifi, Floriane Cangemi, Michael Punch, Gianluca Giavitto, Anna Luashvili, Lott Frans, Sumari Hattingh, Martin Tluczykont, Marek Jamrozy, Sabrina Einecke, Takaaki Tanaka, Iryna Lypova, Marion Spir-Jacob, Yvonne Becherini, Helene Sol, Rachel Simoni, Davit Zargaryan, Hannah Dalgleish, Jim Hinton, Gašper Kukec Mezek, Gaëtan Fichet de Clairfontaine, Axel Donath, A. W. Chen, S. Sailer, Dmitry Khangulyan, Charles Thorpe-Morgan, Andreas Zmija, Amid Nayerhoda, M. Lemoine-Goumard, Stefan Klepser, Alessandro Montanari, C. Arcaro, S. J. Fegan, Anu Kundu, B. Rudak, T. Chand, Hend Yassin, Michael Kreter, Paolo Marchegiani, Tadayuki Takahashi, Dmitriy Kostunin, Mathieu Bony, Oguzhan Anguener, Fabian Schüssler, Manuel Meyer, Markus Boettcher, Gavin Rowell, Kathrin Egberts, Maria Haupt, Victor Doroshenko, Emmanuel Moulin, Ira Jung, Brian van Soelen, Sebastian Panny, Mathieu Naurois, E. Kasai, Kirsty Feijen, Samuel Timothy Spencer, Dieter Horns, Vikas Joshi, Thomas Tavernier, Johannes Schaefer, Gerd Puehlhofer, Lei Sun, Constantin Steppa, Jacek Niemiec, Hassan Abdalla, Albert Seyffert, Olaf Reimer, Christian Stegmann, Stefan Wagner, Andreas Zech, Alexandre Marcowith, Regis Terrier, Felix Werner, Yasunobu Uchiyama, K. Nakashima, K. Bernloehr, Carlo Romoli, Hector Rueda Ricarte, Lukasz Stawarz, Frank M. Rieger, Thomas Murach, Kleopas Shiningayamwe, Clemens Hoischen, A. A. Zdziarski, Christopher van Eldik, N. Zywucka, Jaqueline Catalano, L. Mohrmann, Monica Barnard, Rafal Moderski, Heinrich J. Völk, Arnaud Mares, Ullrich Schwanke, Stefan Ohm, Thomas Bylund, Rowan Batzofin, Anita Reimer, Andreas Quirrenbach, Edna Ruiz Velasco, Johann van der Walt, Jhilik Majumdar, Guillem Marti'i-Devesa, R. Konno, Jacques Muller, Dan Parsons, Jean Damascene Mbarubucyeye, Wlodek Kluzniak, Lenka Tomankova, Stefano Gabici, Andrew Taylor, Michael Zacharias, Christo Venter, Sylvia Zhu, P. J. Meintjes, David Berge, M. Hörbe, Michael Backes, Robert Brose, V. Poireau, Jimmy N.S. Shapopi, V. Sahakian, Krzysztof Katarzynski, Brian Reville, Connor Duffy, Laenita Lorraine Oberholzer, Tim Holch, Anton Dmytriiev, M. Fuessling, Manami Sasaki, G. Vasileiadis, Catherine Boisson, Arache Djannati-Ataï, P. Reichherzer, J. Bolmont, Jason John Watson, D. Malyshev, Andrea Santangelo, Naomi Tsuji, Matthieu Renaud, Denys Malyshev, Isak Delberth Davids, G. Lamanna, James Davies, A. Fiasson, Roberta Zanin, Yves Gallant, S. Steinmassl, Sami Caroff, R. J. Tuffs, Gerard Fontaine, B. Bi, Santiago Pita, Hambeleleni Ndiyavala, Hester Schutte, Justine Devin, Mohanraj Senniappan, C. Levy, Mischa Breuhaus, Pauline Chambery, Andreas Specovius, Jean-Pierre Ernenwein, Yu Wun Wong, Johannes Veh, Vincent Marandon, Hannes Thiersen, Vardan Baghmanyan, Markus Holler, Q. Remy, Felix Jankowsky, Richard White, Felix Aharonian, Jacco Vink, Alison Mitchell, David Huber, Sabrina Casanova, Louis Du Plessis, Angel Noel, Jonathan Mackey, Anna Barnacka, C. Moore, Victor Barbosa Martins, Dorit Glawion, Carlo van Rensburg, Anne Lemiere, Tomasz Bulik, Malgorzata Curlo, Emma Ona-Wilhelmi, Samuel Zouari, Thomas Lohse, Lente Dreyer, Michal Ostrowski, J.-P. Lenain, Hugh Spackman, Stefan Funk, Alicja Wierzcholska, Ramin Marx, M. Panter, U. Katz, Faical Ait-Benkhali, G. Peron, Garret Cotter, Sébastien Le Stum, Zhiqiu Huang, D. A. Prokhorov, K. Kosack, P. T. O'Brien, Atreyee Sinha, Laura Olivera-Nieto, A. Yusafzai, Nukri Komin, Tom Armstrong, David Sanchez, Werner Hofmann, L. Giunti, Michelle Tsirou, Francois Brun, P. Vincent, Heiko Salzmann, Celine Armand, M.-H. Grondin, German Hermann, and Paul Morris
Subjects: Physics, Brightness, Active galactic nucleus, Astrophysics::High Energy Astrophysical Phenomena, Flux, Astrophysics::Cosmology and Extragalactic Astrophysics, Astrophysics, Viewing angle, Variable (computer science), symbols.namesake, symbols, Spectral energy distribution, Blazar, Doppler effect, Astrophysics::Galaxy Astrophysics
Abstract: The majority of the active galactic nuclei (AGN) detected at very-high-energies above 100 GeV belong to the class of blazars with a small angle between the jet-axis and the line-of-sight. Only about 10 percent of the gamma-ray AGN are objects with a larger viewing angle resulting in a smaller Doppler boosting of the emission. Originally, it was believed that gamma-ray emission can only be observed from blazars and those are variable in its brightness. Instead, the last years have shown that non-blazar active galaxies also show a fascinating variability behaviour which provide important new insights into the physical processes responsible for the gamma-ray production and especially for flaring events. Here, we report on the observation of gamma-ray variability of the active galaxy PKS 0625−354 detected with the H.E.S.S. telescopes in November 2018. The classification of PKS 0625−354 is a still matter of debate. The H.E.S.S. measurements were performed as part of a flux observing program and showed in the first night of the observation a detection of the object with > 5σ. A denser observation campaign followed for the next nine nights resulting in a decrease of the gamma-ray flux. Those observations were accompanied with Swift in the X-ray and UV/optical band allowing for the reconstruction of a multi-band broad-band spectral energy distribution. We will discuss the implications of the gamma-ray variability of the object.
Published: 2021

6. Search for dark matter annihilation towards the inner Milky Way halo with the H.E.S.S. Inner Galaxy Survey

Author: Clemens Hoischen, A. A. Zdziarski, Robert Brose, Johann van der Walt, Halim Ashkar, Fabian Leuschner, Stefan Ohm, L. Giunti, Albert Seyffert, Davit Zargaryan, Stefan Klepser, Alessandro Montanari, K. Nakashima, Gaëtan Fichet de Clairfontaine, Sabrina Einecke, Axel Donath, A. W. Chen, Iryna Lypova, K. Bernloehr, Heinrich J. Völk, Yvonne Becherini, Stefano Gabici, Michelle Tsirou, Anna Luashvili, Vikas Joshi, J. Bolmont, Fabian Schüssler, M.-H. Grondin, Emmanuel Moulin, Andreas Specovius, Kleopas Shiningayamwe, Anne Lemiere, B. Rudak, Lott Frans, Michael Punch, Edna Ruiz Velasco, Sylvia Zhu, P. J. Meintjes, David Berge, Michael Backes, Matthieu Renaud, German Hermann, Paul Morris, Kathrin Egberts, Constantin Steppa, Tadayuki Takahashi, Laenita Lorraine Oberholzer, Tim Holch, Lukasz Stawarz, Louis Du Plessis, Naomi Tsuji, V. Poireau, Jimmy N.S. Shapopi, Victor Doroshenko, Yu Wun Wong, Emma Ona-Wilhelmi, Riaan Steenkamp, E. Kasai, G. Lamanna, Ullrich Schwanke, Gerard Fontaine, Jim Hinton, Victor Barbosa Martins, Thomas Lohse, Frank M. Rieger, Hester Schutte, Carlo van Rensburg, Francois Brun, P. Vincent, Heiko Salzmann, Mathieu Bony, Oguzhan Anguener, Kirsty Feijen, S. Sailer, Dmitry Khangulyan, Charles Thorpe-Morgan, Ramin Marx, Dmitriy Kostunin, M. Panter, U. Katz, Jean Damascene Mbarubucyeye, Wlodek Kluzniak, Jaqueline Catalano, R. Konno, Hector Rueda Ricarte, T. Chand, Samuel Zouari, P. T. O'Brien, M. Hörbe, Celine Armand, Andreas Quirrenbach, Guillem Marti'i-Devesa, Faical Ait-Benkhali, Andrew Taylor, G. Vasileiadis, Vincent Marandon, Brian van Soelen, Marek Jamrozy, Hannes Thiersen, Dieter Horns, Hassan Abdalla, Thomas Bylund, Rowan Batzofin, Sébastien Le Stum, Thomas Tavernier, Gilles Maurin, Floriane Cangemi, Helene Sol, Christian Stegmann, Jacques Muller, Vardan Baghmanyan, Johannes Schaefer, J. F. Glicenstein, Anu Kundu, Stefan Wagner, Andreas Zech, Yasunobu Uchiyama, Monica Barnard, L. Mohrmann, Arache Djannati-Ataï, C. Levy, Atreyee Sinha, Bruno Khelifi, Michal Ostrowski, J.-P. Lenain, Hugh Spackman, Michael Zacharias, Regis Terrier, Hannah Dalgleish, P. Reichherzer, Andreas Zmija, Gianluca Giavitto, Jacek Niemiec, M. Lemoine-Goumard, Paolo Marchegiani, Markus Holler, Carlo Romoli, Isak Delberth Davids, Stefan Funk, Alicja Wierzcholska, Olaf Reimer, Q. Remy, Felix Jankowsky, Michael Kreter, Anna Barnacka, Brian Reville, Connor Duffy, A. Fiasson, Roberta Zanin, Thomas Murach, Heike Prokoph, James Davies, Sumari Hattingh, Felix Aharonian, Richard White, Angel Noel, M. Fuessling, R. J. Tuffs, B. Bi, Christo Venter, Takaaki Tanaka, D. Malyshev, Jonathan Mackey, Jacco Vink, Ira Jung, Sebastian Panny, Alison Mitchell, Anita Reimer, David Huber, Sabrina Casanova, Marion Spir-Jacob, Mischa Breuhaus, Pauline Chambery, Gerd Puehlhofer, C. Arcaro, C. Moore, Jhilik Majumdar, Lei Sun, Santiago Pita, Hambeleleni Ndiyavala, S. Steinmassl, Sami Caroff, Anton Dmytriiev, Dorit Glawion, G. Peron, Garret Cotter, Alexandre Marcowith, Felix Werner, Amid Nayerhoda, Manami Sasaki, Tomasz Bulik, Zhiqiu Huang, Malgorzata Curlo, Maria Haupt, Andrea Santangelo, Arnaud Mares, Lente Dreyer, D. A. Prokhorov, K. Kosack, V. Sahakian, Gavin Rowell, Jean-Pierre Ernenwein, N. Zywucka, Denys Malyshev, Markus Boettcher, Yves Gallant, Christopher van Eldik, Rafal Moderski, Johannes Veh, Samuel Timothy Spencer, Mohanraj Senniappan, Rachel Simoni, Dan Parsons, Krzysztof Katarzynski, Catherine Boisson, Justine Devin, Lenka Tomankova, Martin Tluczykont, Gašper Kukec Mezek, Hend Yassin, Manuel Meyer, Mathieu Naurois, Jason John Watson, S. J. Fegan, Nukri Komin, Tom Armstrong, David Sanchez, Werner Hofmann, Laura Olivera-Nieto, and A. Yusafzai
Subjects: Physics, Annihilation, WIMP, Milky Way, Weakly interacting massive particles, media_common.quotation_subject, Dark matter, Astrophysics::Cosmology and Extragalactic Astrophysics, Halo, Astrophysics, Galaxy, Universe, media_common
Abstract: The presence of dark matter (DM) is suggested by a wealth of astrophysical and cosmological measurements. However, its underlying nature is yet unknown. Among the most promising candidates are weakly interacting massive particles (WIMPs): particles with mass and coupling strength at the electroweak scale and thermally produced in the early universe have a present relic density consistent with that observed today. WIMP self-annihilation would produce Standard Model particles including gamma-rays, which have been long-time recognized as a prime messenger to indirectly detect dark matter signals. The centre of the Milky Way is predicted as the brightest source of DM annihilations. The H.E.S.S. collaboration is currently performing a survey of the inner region of the Milky Way, the Inner Galaxy Survey (IGS), intended to achieve the best sensitivity to faint and diffuse emissions in a region of several degrees around the Galactic Centre. We analyzed 2014-2020 observations taken with the five-telescope array to search for a DM annihilation signal. With the current dataset of about 550 hours, we found no significant excess and therefore derived strong constraints on the velocity-weighted annihilation cross-section. TeV thermal WIMPs can be probed in different annihilation channels.
Published: 2021

7. Revealing x-ray and gamma ray temporal and spectral similarities in the GRB 190829A afterglow

Author: K. Egberts, Davit Zargaryan, Axel Donath, A. W. Chen, G. Pühlhofer, M. de Bony de Lavergne, V. Poireau, P. T. O'Brien, P. A. Evans, Riaan Steenkamp, A. Lemiere, F. Eichhorn, Nu. Komin, J. Schäfer, Włodek Kluźniak, A. S. Seyffert, N. Shafi, Natalia Żywucka, Sebastian Panny, R. J. White, Domenico Tiziani, D. Malyshev, T. Chand, Jhilik Majumdar, V. Baghmanyan, Clemens Hoischen, A. A. Zdziarski, Jacco Vink, Alison Mitchell, Joachim Hahn, M. Füßling, C. van Eldik, J.F. Glicenstein, Lei Sun, P. Reichherzer, Jim Davies, A. Carosi, Zorawar Wadiasingh, Q. Remy, Anna Barnacka, A. Djannati-Ataï, A. Montanari, E. Moulin, M. de Naurois, Alexandre Marcowith, Arnaud Mares, Christoph Deil, Sabrina Casanova, Christo Venter, G. Peron, Garret Cotter, M. Hörbe, Dmitriy Kostunin, E. Ruiz-Velasco, Mohanraj Senniappan, Thomas Bylund, E. O. Angüner, S. Raab, Tadayuki Takahashi, F. Brun, R. J. Tuffs, B. Bi, H. Prokoph, C. van Rensburg, A. Zech, J. Muller, Monica Barnard, B. Peyaud, Kirsty Feijen, R. Rauth, Pierre Brun, Victor Doroshenko, Michael Punch, E. Kasai, Konrad Bernlöhr, M. Curyło, Stefano Gabici, Gianluca Giavitto, Frank M. Rieger, Michael Backes, Stefan Klepser, J.-P. Ernenwein, A. Dmytriiev, Mischa Breuhaus, J. Dyks, G. Emery, L. Olivera-Nieto, Tim Holch, S. Fegan, Samuel Zouari, M.-H. Grondin, L. Mohrmann, Stefan Ohm, I. Jung-Richardt, Markus Böttcher, K. Kosack, A. Reimer, G. Hermann, Marek Jamrozy, Regis Terrier, S. Pita, Markus Holler, Felix Jankowsky, Armelle Jardin-Blicq, E. de Ona Wilhelmi, A.M. Taylor, Carlo Romoli, J. Damascene Mbarubucyeye, Hester Schutte, Dieter Horns, Jonathan Mackey, Tom Armstrong, Helene Sol, Sylvia Zhu, P. J. Meintjes, Hambeleleni Ndiyavala, G. Fontaine, H. Odaka, Felix Aharonian, V. Barbosa Martins, Andreas Specovius, Michal Ostrowski, Johannes Veh, D. J. van der Walt, Yu Wun Wong, L. Oakes, C. Moore, J. Bolmont, D. Jankowsky, M. Seglar-Arroyo, Paolo Marchegiani, Rachel Simoni, R. Marx, S. Steinmassl, D. Glawion, Łukasz Stawarz, Manuel Meyer, Tomasz Bulik, Lente Dreyer, Andreas Quirrenbach, Sabrina Einecke, Iryna Lypova, Constantin Steppa, D. A. Prokhorov, M. Zacharias, Christopher J. Duffy, A. Wierzcholska, M. Tluczykont, Christian Stegmann, Stefan Wagner, Yasunobu Uchiyama, F. Schüssler, Yvonne Becherini, Jimmy N.S. Shapopi, C. Levy, Werner Hofmann, G. Lamanna, M. A. Kastendieck, James E. M. Watson, Ullrich Schwanke, G. Vasileiadis, Isak Delberth Davids, Misao Sasaki, Bruno Khelifi, M. Büchele, M. Lemoine-Goumard, J. Zorn, Elisabetta Bissaldi, Roberta Zanin, F. Ait Benkhali, L. Rinchiuso, M. Scalici, Y. A. Gallant, J. Devin, Jim Hinton, D. Berge, V. Sahakian, F. Werner, Andrea Santangelo, Stefan Funk, S. Sailer, Dmitry Khangulyan, Michael Kreter, Jacek Niemiec, D. A. Sanchez, A. Priyana Noel, C. Arcaro, Fabian Leuschner, J. H. E. Thiersen, M. Panter, U. Katz, K. Nakashima, Olaf Reimer, G. Martí-Devesa, H. Ashkar, Q. Piel, P. Morris, Gavin Rowell, M. Bryan, Kleopas Shiningayamwe, A. Yusafzai, Thomas Murach, G. Maurin, Maria Haupt, Heinrich J. Völk, M. Renaud, R. D. Parsons, Samuel Timothy Spencer, Lenka Tomankova, T. Tam, G. Fichet de Clairfontaine, A. Sinha, J.-P. Lenain, D. Huber, Rafal Moderski, S. Caroff, B. van Soelen, S. Chandra, R. Konno, L. Dirson, M. Tsirou, B. Rudak, V. Joshi, Thomas Lohse, L. Giunti, A. Nayerhoda, Hassan Abdalla, A. Fiasson, M. Spir-Jacob, V. Marandon, K. Katarzyński, P. Vincent, T. Tavernier, K. L. Page, Heiko Salzmann, Celine Armand, Catherine Boisson, Centre de Physique des Particules de Marseille (CPPM), Aix Marseille Université (AMU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Laboratoire d'Annecy de Physique des Particules (LAPP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, Laboratoire Univers et Théories (LUTH (UMR_8102)), Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE (UMR_7585)), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), AstroParticule et Cosmologie (APC (UMR_7164)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité), Laboratoire Leprince-Ringuet (LLR), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-École polytechnique (X)-Centre National de la Recherche Scientifique (CNRS), Laboratoire Univers et Particules de Montpellier (LUPM), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS), Centre d'Etudes Nucléaires de Bordeaux Gradignan (CENBG), Université Sciences et Technologies - Bordeaux 1 (UB)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), H.E.S.S., Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Diderot - Paris 7 (UPD7), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP), Centre National de la Recherche Scientifique (CNRS)-École polytechnique (X)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), Université Montpellier 2 - Sciences et Techniques (UM2)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS), Université Sciences et Technologies - Bordeaux 1-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Gravitation and Astroparticle Physics Amsterdam, High Energy Astrophys. & Astropart. Phys (API, FNWI), H.E.S.S. Collaboration, and Centre National de la Recherche Scientifique (CNRS)-Université de Montpellier (UM)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Montpellier 2 - Sciences et Techniques (UM2)
Subjects: Photon, Astrophysics::High Energy Astrophysical Phenomena, FOS: Physical sciences, Astrophysics, Astrophysics::Cosmology and Extragalactic Astrophysics, gamma ray: burst, 01 natural sciences, Luminosity, HESS, 0103 physical sciences, High Energy Stereoscopic System, 010303 astronomy & astrophysics, High Energy Astrophysical Phenomena (astro-ph.HE), Physics, energy: high, Multidisciplinary, X-ray: energy spectrum, 010308 nuclear & particles physics, photon, Gamma ray, trigger, Light curve, redshift, Redshift, Afterglow, collapse, gamma ray: VHE, HESS - Abteilung Hinton, spectral, Astrophysics - High Energy Astrophysical Phenomena, Gamma-ray burst, [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph], absorption
Abstract: An intrinsic gamma-ray burst afterglow Long gamma-ray bursts (GRBs) are emitted by relativistic jets generated during the collapse of a massive star in a distant galaxy. The GRB itself lasts only a few seconds but is followed by an afterglow that can persist for hours or days. The H.E.S.S. Collaboration observed the afterglow of GRB 190829A, a nearby long GRB. The proximity of this burst allowed it to be detected at tera–electron volt energies that would otherwise be absorbed in the intergalactic medium. By analyzing the spectrum and light curve at x-ray and gamma-ray wavelengths, the authors show that the afterglow cannot be explained by standard models. Science , abe8560, this issue p. 1081
Published: 2021

8. Deep observations of Kepler's SNR with H.E.S.S

Author: Jason John Watson, Kleopas Shiningayamwe, Edna Ruiz Velasco, Lenka Tomankova, Martin Tluczykont, Gašper Kukec Mezek, Hend Yassin, Manuel Meyer, Mathieu Naurois, Anton Dmytriiev, Manami Sasaki, Riaan Steenkamp, Andrea Santangelo, T. Chand, Gilles Maurin, J. F. Glicenstein, Jhilik Majumdar, Johannes Schaefer, Christian Stegmann, Stefan Wagner, Andreas Zech, Yasunobu Uchiyama, Bruno Khelifi, Anu Kundu, Hector Rueda Ricarte, Davit Zargaryan, Jacek Niemiec, L. Mohrmann, Arache Djannati-Ataï, Albert Seyffert, V. Sahakian, Anna Barnacka, P. Reichherzer, Gaëtan Fichet de Clairfontaine, Axel Donath, A. W. Chen, Ira Jung, Olaf Reimer, G. Peron, Christo Venter, Garret Cotter, Sebastian Panny, K. Nakashima, K. Bernloehr, Isak Delberth Davids, Victor Barbosa Martins, A. Fiasson, Roberta Zanin, Yves Gallant, Fabian Schüssler, Michael Backes, Heinrich J. Völk, Gerd Puehlhofer, Lei Sun, Thomas Murach, Jean-Pierre Ernenwein, Emmanuel Moulin, G. Lamanna, V. Poireau, Jimmy N.S. Shapopi, Alexandre Marcowith, Felix Werner, Laenita Lorraine Oberholzer, Tim Holch, Naomi Tsuji, Carlo van Rensburg, Zhiqiu Huang, D. A. Prokhorov, K. Kosack, Tadayuki Takahashi, Markus Holler, Q. Remy, Felix Jankowsky, Victor Doroshenko, Felix Aharonian, Johannes Veh, Gerard Fontaine, E. Kasai, G. Vasileiadis, M.-H. Grondin, Anne Lemiere, Floriane Cangemi, Arnaud Mares, Samuel Zouari, Denys Malyshev, Alison Mitchell, Samuel Timothy Spencer, Hester Schutte, Stefan Klepser, Andreas Specovius, Alessandro Montanari, Andreas Zmija, Clemens Hoischen, A. A. Zdziarski, M. Lemoine-Goumard, Emma Ona-Wilhelmi, Yu Wun Wong, Stefan Ohm, Dan Parsons, Johann van der Walt, Vikas Joshi, Brian Reville, Connor Duffy, Michael Kreter, Gianluca Giavitto, D. Malyshev, Thomas Lohse, Mohanraj Senniappan, James Davies, Vincent Marandon, Hannes Thiersen, R. J. Tuffs, Hannah Dalgleish, Vardan Baghmanyan, P. T. O'Brien, Stefano Gabici, Thomas Bylund, Krzysztof Katarzynski, Michal Ostrowski, B. Bi, J.-P. Lenain, Catherine Boisson, Hugh Spackman, Michael Punch, Lukasz Stawarz, Sumari Hattingh, Monica Barnard, Jaqueline Catalano, Takaaki Tanaka, Rowan Batzofin, Mischa Breuhaus, Pauline Chambery, Stefan Funk, Alicja Wierzcholska, R. Konno, Ramin Marx, M. Panter, Anna Luashvili, Justine Devin, J. Bolmont, U. Katz, Francois Brun, Richard White, Jacques Muller, Andrew Taylor, P. Vincent, N. Zywucka, Andreas Quirrenbach, Laura Olivera-Nieto, A. Yusafzai, Dieter Horns, Guillem Marti'i-Devesa, Hassan Abdalla, Heiko Salzmann, Jacco Vink, Mathieu Bony, Oguzhan Anguener, Michael Zacharias, Celine Armand, Atreyee Sinha, Marek Jamrozy, Kirsty Feijen, Faical Ait-Benkhali, Lott Frans, Robert Brose, Santiago Pita, Hambeleleni Ndiyavala, L. Giunti, David Huber, German Hermann, Paul Morris, M. Hörbe, Helene Sol, Sabrina Casanova, Jim Hinton, S. Sailer, Dmitry Khangulyan, Charles Thorpe-Morgan, Sébastien Le Stum, Paolo Marchegiani, Michelle Tsirou, Constantin Steppa, Halim Ashkar, Fabian Leuschner, Ullrich Schwanke, C. Arcaro, Jean Damascene Mbarubucyeye, Wlodek Kluzniak, Gavin Rowell, Regis Terrier, B. Rudak, Carlo Romoli, Kathrin Egberts, Nukri Komin, Tom Armstrong, Frank M. Rieger, Matthieu Renaud, M. Fuessling, David Sanchez, Heike Prokoph, C. Levy, S. Steinmassl, Sami Caroff, Werner Hofmann, Marion Spir-Jacob, S. J. Fegan, Amid Nayerhoda, Sylvia Zhu, P. J. Meintjes, David Berge, Maria Haupt, Christopher van Eldik, Rafal Moderski, Dmitriy Kostunin, Brian van Soelen, Thomas Tavernier, Markus Boettcher, Sabrina Einecke, Iryna Lypova, Anita Reimer, Yvonne Becherini, Rachel Simoni, Angel Noel, Jonathan Mackey, C. Moore, Dorit Glawion, Tomasz Bulik, Malgorzata Curlo, Lente Dreyer, Louis Du Plessis, Naurois , Mathieu, Ona-Wilhelmi , Emma, and Bony , Mathieu
Subjects: Astrophysics::High Energy Astrophysical Phenomena, atmosphere [Cherenkov counter], VHE [gamma ray], IACT, Astrophysics, Astrophysics::Cosmology and Extragalactic Astrophysics, Cherenkov counter: atmosphere, Kepler, HESS, supernova, Astrophysics::Solar and Stellar Astrophysics, ddc:530, High Energy Stereoscopic System, cosmic radiation: acceleration, Supernova remnant, Cherenkov radiation, Astrophysics::Galaxy Astrophysics, Physics, energy: high, Astrophysics::Instrumentation and Methods for Astrophysics, imaging, Galaxy, Cassiopeia A, Supernova, gamma ray: VHE, high [energy], acceleration [cosmic radiation], galaxy
Abstract: 37th International Cosmic Ray Conference, ICRC 2021, Berlin, online, Germany, 12 Jul 2021 - 23 Jul 2021; Proceedings of Science / International School for Advanced Studies (ICRC2021), 805 (2021). doi:10.22323/1.395.0805, Kepler��s supernova remnant (SNR) which is produced by the most recent naked-eye supernova in our Galaxy is one of the best studied SNRs, but its gamma-ray detection has eluded us so far. Observations with modern imaging atmospheric Cherenkov telescopes (IACT) have enlarged the knowledge about nearby SNRs with ages younger than 500 years by establishing Cassiopeia A and Tycho��s SNRs as very high energy (VHE) gamma-ray sources and setting a lower limit on the distance to Kepler��s SNR. This SNR is significantly more distant than the other two and expected to be one of the faintest gamma-ray sources within reach of the IACT arrays of this generation. We report strong evidence for a VHE signal from Kepler��s SNR based on deep observations of the High Energy Stereoscopic System (H.E.S.S.) with an exposure of 152 hours, including 122 hours accumulated in 2017-2020. We further discuss implications of this result for cosmic-ray acceleration in young SNRs., Published by SISSA, Trieste
Published: 2021

9. H.e.s.s. And magic observations of a sudden cessation of a very-high-energy γ -ray flare in PKS 1510-089 in May 2016

Author: A. Yusafzai, J. van Scherpenberg, M. Büchele, B. Boccardi, S. Caroff, S. J. Fegan, Daniela Dorner, T. Schweizer, Mosè Mariotti, Gaia Vanzo, Tom Armstrong, Nu. Komin, Pratik Majumdar, M. V. Fonseca, Matteo Cerruti, A. Lemiere, F. Eichhorn, J. Devin, C. Trichard, Michael Punch, Stefano Gabici, M. Palatiello, V. A. Acciari, F. Schüssler, Sylvia Zhu, P. J. Meintjes, Werner Hofmann, Samuel Timothy Spencer, Y. Kajiwara, J. Zorn, D. Dominis Prester, S. Bonnefoy, Constantin Steppa, G. Maurin, Adrian Biland, J. M. Paredes, Antonio Stamerra, U. Barres de Almeida, Tadayuki Takahashi, Damir Lelas, Victor Doroshenko, Davide Depaoli, Dmitriy Kostunin, R. Mirzoyan, T. Surić, D. Gottschall, M. Füßling, Moritz Hütten, Lea Heckmann, M. Gaug, J. Herrera, Ullrich Schwanke, C. Arcaro, H. Abdalla, Lorenzo Bellizzi, Thomas P. Krichbaum, Francesco Dazzi, John Hoang, Martin Will, Dominik Baack, L. Maraschi, Elina Lindfors, M. A. Kastendieck, R. Rauth, V. Baghmanyan, D. Ninci, Koji Noda, Michael Backes, S. Raab, Sanae Inoue, Giacomo D'Amico, Manuel Meyer, Q. Remy, L. Olivera-Nieto, Dorota Sobczyńska, Elisa Bernardini, M. Filipovic, Riaan Steenkamp, Davit Zargaryan, Hambeleleni Ndiyavala, Stefan Klepser, G. Vasileiadis, G. Lamanna, S. G. Jorstad, Daniel Mazin, Jacek Niemiec, Kirsty Feijen, Alessandro Montanari, Tim Holch, Seiya Nozaki, Anna Barnacka, M. Hörbe, Giacomo Bonnoli, D. Strom, T. Tavernier, Takeshi Oka, Axel Donath, J. Rico, A. W. Chen, J. Dyks, T. Chand, Jim Hinton, F. Niederwanger, Olaf Reimer, Daniel Kerszberg, Manuel Delfino, Krzysztof Katarzynski, Ivica Puljak, S. Sailer, Dmitry Khangulyan, Christian Fruck, Gavin Rowell, D. A. Sanchez, Maria Haupt, Julian Sitarek, Alan P. Marscher, Stefano Truzzi, Pablo Peñil, E. O. Angüner, Catherine Boisson, S. Ventura, Dieter Horns, M. Bryan, V. Barbosa Martins, L. Sun, Rachel Simoni, Gerard Fontaine, Jacco Vink, P. Reichherzer, Jim Davies, G. Hermann, Regis Terrier, Clemens Hoischen, A. A. Zdziarski, G. Ferrara, Francois Brun, G. Emery, M. de Bony de Lavergne, P. Vincent, Kyoshi Nishijima, Alessandra Lamastra, G. Fichet de Clairfontaine, E. de Oña Wilhelmi, P. Munar-Adrover, Yoshiki Ohtani, Carlo Romoli, Jordi Delgado, Wrijupan Bhattacharyya, L. Di Venere, D. Zarić, Zorawar Wadiasingh, F. Di Pierro, Ž. Bošnjak, Hester Schutte, Isak Delberth Davids, Roberta Zanin, Karl Mannheim, M. Strzys, Łukasz Stawarz, R. J. Tuffs, V. Fallah Ramazani, B. Bi, Marc Ribó, Sabrina Casanova, H. Prokoph, A. Carosi, Stefano Covino, D. J. van der Walt, Thomas Murach, Yating Chai, Saša Mićanović, Jae-Young Kim, V. Vitale, Francesco Longo, R. Konno, Alicia Fattorini, Narek Sahakyan, Y. A. Gallant, R. J. García López, Junko Kushida, Jürgen Besenrieder, Dario Hrupec, P. Da Vela, S. Steinmassl, P. G. Prada Moroni, Jonathan Mackey, Rafal Moderski, Stefan Cikota, Hidetoshi Kubo, Armelle Jardin-Blicq, Monica Barnard, J. Otero-Santos, Mischa Breuhaus, J. Becerra González, Yu. W. Wong, V. Joshi, Samuel Zouari, N. Shafi, Natalia Żywucka, E. Prandini, M. A. Lopez, Gianluca Giavitto, Katsuaki Asano, Mitsunari Takahashi, T. Vuillaume, M. Curyło, P. Morris, K. Egberts, Stefano Ansoldi, M. de Naurois, Pawel Gliwny, L. Pavletić, C. Moore, Alessia Spolon, M. Vazquez Acosta, D. Elsaesser, Tomoki Saito, Giovanni Ceribella, Riccardo Paoletti, Celine Armand, Jhilik Majumdar, Stefan Ohm, G. Busetto, Léa Jouvin, Ana Babić, Frank M. Rieger, A. Dmytriiev, Dorit Glawion, Z. R. Weaver, Włodek Kluźniak, S. Chandra, V. Marandon, A. Djannati-Ataï, E. Moulin, Tomasz Bulik, Alessio Berti, M. Seglar-Arroyo, H. Odaka, Christian Stegmann, Stefan Wagner, C. Perennes, Pierre Brun, Yasunobu Uchiyama, A. Fiasson, U. Colin, David A. Green, Kazuma Ishio, A. Arbet Engels, A. De Angelis, Wlodek Bednarek, Nikola Godinovic, F. Ait Benkhali, Vassil Verguilov, Camilla Maggio, L. Mohrmann, Jean-Pierre Ernenwein, M. Spir-Jacob, M. Karjalainen, Vitaly Neustroev, P. deWilt, M. Scalici, Victoria Moreno, A. Priyana Noel, A. López-Oramas, M. Lemoine-Goumard, N. Torres-Albà, Martin Makariev, C. van Rensburg, Oscar Blanch, S. Pita, Alexander Hahn, V. Sahakian, Yusuke Suda, S. Schwemmer, Thomas Lohse, Misao Sasaki, Daniel Morcuende, Johannes Veh, D. Jankowsky, Michael Kreter, D. Berge, Luca Tosti, R. Marx, F. Werner, V. Poireau, Andrea Santangelo, C. Nigro, Andreas Quirrenbach, Jose Luis Contreras, E. Ruiz-Velasco, Thomas Bylund, M. Tluczykont, V. D'Elia, A. S. Seyffert, Jose Miguel Miranda, Massimo Persic, L. Dirson, Efthalia Traianou, Carlo Vigorito, Sargis Gasparyan, Y. Kobayashi, Jacques Muller, Jeffrey A. Hodgson, Marek Jamrozy, Christoph Deil, I. Jung-Richardt, Joachim Hahn, Mohanraj Senniappan, A. Rugliancich, Marina Manganaro, K. Nakashima, Kleopas Shiningayamwe, Alice Donini, Michelle Tsirou, Yuki Iwamura, G. Maneva, L. A. Antonelli, Juan Cortina, Markus Holler, Michal Ostrowski, Wolfgang Rhode, L. Rinchiuso, Felix Jankowsky, Sebastian Panny, M. I. Martínez, Michael Zacharias, Ferdinando Giordano, Felix Aharonian, Lluis Font, J.-P. Lenain, Merja Tornikoski, B. Machado de Oliveira Fraga, M.-H. Grondin, Lenka Tomankova, Markus Böttcher, Alison Mitchell, Chiara Righi, E. Do Souto Espiñeira, Tomislav Terzić, Alexandre Marcowith, P. Temnikov, Helene Sol, Sabrina Einecke, Iryna Lypova, Toshiaki Inada, Rodolfo Carosi, R. D. Parsons, Yvonne Becherini, Shunsuke Sakurai, L. Giunti, A. Nayerhoda, Arnaud Mares, Chaitanya Priyadarshi, Satoshi Fukami, Konstancja Satalecka, Stefan Funk, Johan Bregeon, Sidika Merve Colak, Alicja Wierzcholska, R. J. White, F. Leone, Michele Doro, D. Huber, Carolina Casadio, Anne Lähteenmäki, Masahiro Teshima, Domenico Tiziani, D. Malyshev, M. Panter, U. Katz, Heinrich J. Völk, G. Martí-Devesa, C. Levy, M. Renaud, J. A. Barrio, Kai Phillip Schmidt, L. Oakes, N. Giglietto, Simone Mender, Paolo Marchegiani, Ashot Chilingarian, Tjark Miener, James E. M. Watson, David Paneque, J. Bolmont, Manuela Mallamaci, Halim Ashkar, A. Sinha, Fabrizio Tavecchio, Kari Nilsson, B. van Soelen, B. Rudak, R. Adam, D. Miceli, M. Mohamed, Saverio Lombardi, E. Molina, P. T. O'Brien, E. Colombo, Lab Saha, Luca Foffano, C. van Eldik, G. Peron, Garret Cotter, D. Hadasch, D. A. Prokhorov, K. Kosack, Konrad Bernlöhr, B. Peyaud, I. Vovk, G. Pühlhofer, A. Reimer, J. F. Glicenstein, Bruno Khelifi, Serena Loporchio, I. Snidaric, Abelardo Moralejo, Andreas Specovius, E. Moretti, Bernd Schleicher, M. Minev, B. De Lotto, Andrés Baquero, A.M. Taylor, J. Damascene Mbarubucyeye, Christo Venter, Ciro Bigongiari, A. Zech, M. Garczarczyk, R. López-Coto, Q. Piel, Laboratoire Leprince-Ringuet (LLR), Centre National de la Recherche Scientifique (CNRS)-École polytechnique (X)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), Centre de Physique des Particules de Marseille (CPPM), Aix Marseille Université (AMU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Laboratoire d'Annecy de Physique des Particules (LAPP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, Laboratoire Univers et Théories (LUTH (UMR_8102)), Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Diderot - Paris 7 (UPD7), Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE (UMR_7585)), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP), Laboratoire Univers et Particules de Montpellier (LUPM), Université Montpellier 2 - Sciences et Techniques (UM2)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS), Centre d'Etudes Nucléaires de Bordeaux Gradignan (CENBG), Université Sciences et Technologies - Bordeaux 1-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), AstroParticule et Cosmologie (APC (UMR_7164)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP), H.E.S.S., MAGIC, Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-École polytechnique (X)-Centre National de la Recherche Scientifique (CNRS), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS), Université Sciences et Technologies - Bordeaux 1 (UB)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité), German Research Foundation, Istituto Nazionale di Fisica Nucleare, Istituto Nazionale di Astrofisica, Swiss National Science Foundation, Ministerio de Economía y Competitividad (España), Department of Atomic Energy (India), Academy of Finland, University of Tokyo, La Caixa, Croatian Science Foundation, University of Rijeka, Polish National Agency for Academic Exchange, Abdalla, H., Adam, R., Aharonian, F., Ait Benkhali, F., Ang??ner, E. O., Arcaro, C., Armand, C., Armstrong, T., Ashkar, H., Backes, M., Baghmanyan, V., Barbosa Martins, V., Barnacka, A., Barnard, M., Becherini, Y., Berge, D., Bernl??hr, K., Bi, B., B??ttcher, M., Boisson, C., Bolmont, J., Bonnefoy, S., de Bony de Lavergne, M., Bregeon, J., Breuhaus, M., Brun, F., Brun, P., Bryan, M., B??chele, M., Bulik, T., Bylund, T., Caroff, S., Carosi, A., Casanova, S., Chand, T., Chandra, S., Chen, A., Cotter, G., Cury??o, M., Damascene Mbarubucyeye, J., Davids, I. D., Davies, J., Deil, C., Devin, J., Dewilt, P., Dirson, L., Djannati-Ata??, A., Dmytriiev, A., Donath, A., Doroshenko, V., Dyks, J., Egberts, K., Eichhorn, F., Einecke, S., Emery, G., Ernenwein, J. -P., Feijen, K., Fegan, S., Fiasson, A., Fichet de Clairfontaine, G., Filipovic, M., Fontaine, G., Funk, S., F????ling, M., Gabici, S., Gallant, Y. A., Giavitto, G., Giunti, L., Glawion, D., Glicenstein, J. F., Gottschall, D., Grondin, M. -H., Hahn, J., Haupt, M., Hermann, G., Hinton, J. A., Hofmann, W., Hoischen, C., Holch, T. L., Holler, M., H??rbe, M., Horns, D., Huber, D., Jamrozy, M., Jankowsky, D., Jankowsky, F., Jardin-Blicq, A., Joshi, V., Jung-Richardt, I., Kastendieck, M. A., Katarzy??ski, K., Katz, U., Khangulyan, D., Kh??lifi, B., Klepser, S., Klu??niak, W., Komin, Nu., Konno, R., Kosack, K., Kostunin, D., Kreter, M., Lamanna, G., Lemi??re, A., Lemoine-Goumard, M., Lenain, J. -P., Levy, C., Lohse, T., Lypova, I., Mackey, J., Majumdar, J., Malyshev, D., Marandon, V., Marchegiani, P., Marcowith, A., Mares, A., Mart??-Devesa, G., Marx, R., Maurin, G., Meintjes, P. J., Meyer, M., Mitchell, A. M. W., Moderski, R., Mohamed, M., Mohrmann, L., Montanari, A., Moore, C., Morris, P., Moulin, E., Muller, J., Murach, T., Nakashima, K., Nayerhoda, A., de Naurois, M., Ndiyavala, H., Niederwanger, F., Niemiec, J., Oakes, L., O???brien, P., Odaka, H., Ohm, S., Olivera-Nieto, L., de Ona Wilhelmi, E., Ostrowski, M., Panter, M., Panny, S., Parsons, R. D., Peron, G., Peyaud, B., Piel, Q., Pita, S., Poireau, V., Priyana Noel, A., Prokhorov, D. A., Prokoph, H., P??hlhofer, G., Punch, M., Quirrenbach, A., Raab, S., Rauth, R., Reichherzer, P., Reimer, A., Reimer, O., Remy, Q., Renaud, M., Rieger, F., Rinchiuso, L., Romoli, C., Rowell, G., Rudak, B., Ruiz-Velasco, E., Sahakian, V., Sailer, S., Sanchez, D. A., Santangelo, A., Sasaki, M., Scalici, M., Sch??ssler, F., Schutte, H. M., Schwanke, U., Schwemmer, S., Seglar-Arroyo, M., Senniappan, M., Seyffert, A. S., Shafi, N., Shiningayamwe, K., Simoni, R., Sinha, A., Sol, H., Specovius, A., Spencer, S., Spir-Jacob, M., Stawarz, ??., Sun, L., Steenkamp, R., Stegmann, C., Steinmassl, S., Steppa, C., Takahashi, T., Tavernier, T., Taylor, A. M., Terrier, R., Tiziani, D., Tluczykont, M., Tomankova, L., Trichard, C., Tsirou, M., Tuffs, R., Uchiyama, Y., van der Walt, D. J., van Eldik, C., van Rensburg, C., van Soelen, B., Vasileiadis, G., Veh, J., Venter, C., Vincent, P., Vink, J., V??lk, H. J., Vuillaume, T., Wadiasingh, Z., Wagner, S. J., Watson, J., Werner, F., White, R., Wierzcholska, A., Wong, Yu. W., Yusafzai, A., Zacharias, M., Zanin, R., Zargaryan, D., Zdziarski, A. A., Zech, A., Zhu, S. J., Zorn, J., Zouari, S., ywucka, N., Acciari, V. A., Ansoldi, S., Antonelli, L. A., Arbet Engels, A., Asano, K., Baack, D., Babi??, A., Baquero, A., Barres de Almeida, U., Barrio, J. A., Becerra Gonz??lez, J., Bednarek, W., Bellizzi, L., Bernardini, E., Berti, A., Besenrieder, J., Bhattacharyya, W., Bigongiari, C., Biland, A., Blanch, O., Bonnoli, G., Bo??njak, ??., Busetto, G., Carosi, R., Ceribella, G., Cerruti, M., Chai, Y., Chilingarian, A., Cikota, S., Colak, S. M., Colin, U., Colombo, E., Contreras, J. L., Cortina, J., Covino, S., D???amico, G., D???elia, V., Da Vela, P., Dazzi, F., De Angelis, A., De Lotto, B., Delfino, M., Delgado, J., Depaoli, D., Di Pierro, F., Di Venere, L., Do Souto Espi??eira, E., Dominis Prester, D., Donini, A., Dorner, D., Doro, M., Elsaesser, D., Fallah Ramazani, V., Fattorini, A., Ferrara, G., Foffano, L., Fonseca, M. V., Font, L., Fruck, C., Fukami, S., Garc??a L??pez, R. J., Garczarczyk, M., Gasparyan, S., Gaug, M., Giglietto, N., Giordano, F., Gliwny, P., Godinovi??, N., Green, D., Hadasch, D., Hahn, A., Heckmann, L., Herrera, J., Hoang, J., Hrupec, D., H??tten, M., Inada, T., Inoue, S., Ishio, K., Iwamura, Y., Jouvin, L., Kajiwara, Y., Karjalainen, M., Kerszberg, D., Kobayashi, Y., Kubo, H., Kushida, J., Lamastra, A., Lelas, D., Leone, F., Lindfors, E., Lombardi, S., Longo, F., L??pez, M., L??pez-Coto, R., L??pez-Oramas, A., Loporchio, S., Machado de Oliveira Fraga, B., Maggio, C., Majumdar, P., Makariev, M., Mallamaci, M., Maneva, G., Manganaro, M., Mannheim, K., Maraschi, L., Mariotti, M., Mart??nez, M., Mazin, D., Mender, S., Mi??anovi??, S., Miceli, D., Miener, T., Minev, M., Miranda, J. M., Mirzoyan, R., Molina, E., Moralejo, A., Morcuende, D., Moreno, V., Moretti, E., Munar-Adrover, P., Neustroev, V., Nigro, C., Nilsson, K., Ninci, D., Nishijima, K., Noda, K., Nozaki, S., Ohtani, Y., Oka, T., Otero-Santos, J., Palatiello, M., Paneque, D., Paoletti, R., Paredes, J. M., Pavleti??, L., Pe??il, P., Perennes, C., Persic, M., Prada Moroni, P. G., Prandini, E., Priyadarshi, C., Puljak, I., Rhode, W., Rib??, M., Rico, J., Righi, C., Rugliancich, A., Saha, L., Sahakyan, N., Saito, T., Sakurai, S., Satalecka, K., Schleicher, B., Schmidt, K., Schweizer, T., Sitarek, J., nidari??, I., Sobczynska, D., Spolon, A., Stamerra, A., Strom, D., Strzys, M., Suda, Y., Suri??, T., Takahashi, M., Tavecchio, F., Temnikov, P., Terzi??, T., Teshima, M., Torres-Alb??, N., Tosti, L., Truzzi, S., van Scherpenberg, J., Vanzo, G., Vazquez Acosta, M., Ventura, S., Verguilov, V., Vigorito, C. F., Vitale, V., Vovk, I., Will, M., Zari??, D., Jorstad, S. G., Marscher, A. P., Boccardi, B., Casadio, C., Hodgson, J., Kim, J. -Y., Krichbaum, T. P., L??hteenm??ki, A., Tornikoski, M., Traianou, E., Weaver, Z. R., Gravitation and Astroparticle Physics Amsterdam, High Energy Astrophys. & Astropart. Phys (API, FNWI), Centre National de la Recherche Scientifique (CNRS)-Université de Montpellier (UM)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Montpellier 2 - Sciences et Techniques (UM2), Department of Electronics and Nanoengineering, Aalto-yliopisto, and Aalto University
Subjects: non-thermal, quasars: individual: PKS 1510−089, galaxies: active, relativistic processes, Astrophysics - High Energy Astrophysical Phenomena, Astrophysics - Astrophysics of Galaxies [radiation mechanisms], Photon, individual: PKS 1510−089 [quasars], Astrophysics::High Energy Astrophysical Phenomena, Flux, radiation mechanisms: non-thermal / quasars: individual: PKS 1510−089 / galaxies: active / relativistic processes, radiation mechanisms: non-thermal, quasars: individual: PKS 1510-089, Astrophysics, Astrophysics::Cosmology and Extragalactic Astrophysics, 01 natural sciences, law.invention, law, 0103 physical sciences, Galaxies: Active, Quasars: Individual: Pks 1510-089, Radiation mechanisms: Non-thermal, Relativistic processes, individual: PKS 1510-089 [quasars], MAGIC (telescope), 010303 astronomy & astrophysics, Physics, [PHYS]Physics [physics], 010308 nuclear & particles physics, Astronomy and Astrophysics, Quasar, Light curve, non-thermal [radiation mechanisms], relativistic processes [radiation mechanisms], Extragalactic background light, Space and Planetary Science, active [galaxies], ddc:520, Física nuclear, quasars: individual: PKS 1510��089, [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph], Fermi Gamma-ray Space Telescope, Flare
Abstract: The flat spectrum radio quasar (FSRQ) PKS 1510−089 is known for its complex multiwavelength behaviour and it is one of only a few FSRQs detected in very-high-energy (VHE, E > 100 GeV) γ rays. The VHE γ-ray observations with H.E.S.S. and MAGIC in late May and early June 2016 resulted in the detection of an unprecedented flare, which revealed, for the first time, VHE γ-ray intranight variability for this source. While a common variability timescale of 1.5 h has been found, there is a significant deviation near the end of the flare, with a timescale of ∼20 min marking the cessation of the event. The peak flux is nearly two orders of magnitude above the low-level emission. For the first time, a curvature was detected in the VHE γ-ray spectrum of PKS 1510–089, which can be fully explained by the absorption on the part of the extragalactic background light. Optical R-band observations with ATOM revealed a counterpart of the γ-ray flare, even though the detailed flux evolution differs from the VHE γ-ray light curve. Interestingly, a steep flux decrease was observed at the same time as the cessation of the VHE γ-ray flare. In the high-energy (HE, E > 100 MeV) γ-ray band, only a moderate flux increase was observed with Fermi-LAT, while the HE γ-ray spectrum significantly hardens up to a photon index of 1.6. A search for broad-line region (BLR) absorption features in the γ-ray spectrum indicates that the emission region is located outside of the BLR. Radio very-long-baseline interferometry observations reveal a fast-moving knot interacting with a standing jet feature around the time of the flare. As the standing feature is located ∼50 pc from the black hole, the emission region of the flare may have been located at a significant distance from the black hole. If this is indeed a true correlation, the VHE γ rays must have been produced far down in the jet, where turbulent plasma crosses a standing shock., Astronomy & Astrophysics, 648, ISSN:0004-6361, ISSN:1432-0746
Published: 2021

10. Broadband Multi-wavelength Properties of M87 during the 2017 Event Horizon Telescope Campaign

Author: Masanori Nakamura, R. Shang, Abelardo Moralejo, A. Rugliancich, Marina Manganaro, Jun Liu, Monika Moscibrodzka, Andreas Specovius, V. Ramakrishnan, S. O'Brien, Michal Ostrowski, Luis C. Ho, Sera Markoff, D. Depaoli, I. Jung-Richardt, Manel Errando, Chiara Righi, S. Panny, Toshiaki Inada, Alexandra J. Tetarenko, Daniela Dorner, Norbert Wex, Nimesh A. Patel, Olivier Hervet, C. Arcaro, Alasdair E. Gent, Yu Wun Wong, Gaia Vanzo, Pierre Brun, Konstancja Satalecka, Stefan Funk, Lorenzo Bellizzi, Michael Lindqvist, Michele Doro, Felix Jankowsky, P. Kaaret, Nicholas R. MacDonald, Lang Cui, P. Temnikov, S. Patel, Sabrina Einecke, Manuel Artero, E. Moretti, Hope Boyce, M. Gaug, Charles F. Gammie, Iryna Lypova, Gisela N. Ortiz-León, Felix Aharonian, Colin J. Lonsdale, Buell T. Jannuzi, Gavin Rowell, M. Bryan, Yvonne Becherini, Aleksandar Popstefanija, M. Pohl, A. Marcowith, Jean-Pierre Ernenwein, H. Alyson Ford, Wystan Benbow, Karen E. Williamson, Daryl Haggard, Hambeleleni Ndiyavala, Tod R. Lauer, Arnaud Mares, Chaitanya Priyadarshi, Michael Punch, Helge Rottmann, J. Zorn, D. Dominis Prester, Bernd Schleicher, M. Minev, Hector Olivares, Ciriaco Goddi, S. Pita, J. Herrera, Alessia Spolon, Léa Jouvin, Na Wang, G. Martí-Devesa, Tomohiko Oka, Kirsty Feijen, E. Do Souto Espiñeira, Ralph Eatough, Johannes Veh, Stefano Gabici, Tomislav Terzić, D. Glawion, Gilles Fontaine, Bradford Benson, C. B. Rulten, Jenni Jormanainen, Jason SooHoo, Michael Titus, Jose Miguel Delgado, Marcos López-Moya, Freek Roelofs, Wlodek Bednarek, M. Lundy, Richard Anantua, Alessandra Lamastra, P. T. Reynolds, Vassil Verguilov, M. Lemoine-Goumard, G. Fichet de Clairfontaine, L. Di Venere, Michael Kreter, Jose Miguel Miranda, Alan L. Roy, Yating Chai, A. López-Oramas, M. Tluczykont, Jacek Niemiec, R. Konno, Tyler Trent, Olaf Reimer, Heino Falcke, Amanpreet Kaur, M. Panter, Narek Sahakyan, Kasper B. Schmidt, A. Carosi, K. Egberts, L. Maraschi, Stefan Cikota, V. Joshi, Koji Noda, Elisa Bernardini, Ye-Fei Yuan, Garrett K. Keating, Fumie Tazaki, Pawel Gliwny, M. Vazquez Acosta, Nicola Giglietto, M. Capasso, Vincent Piétu, Satoshi Fukami, Roman Gold, Elina Lindfors, Satoki Matsushita, A. Lemiere, F. Eichhorn, U. Katz, Yoshinori Yonekura, N. Shafi, Natalia Żywucka, Michael Kramer, M. Palatiello, Daniel Mazin, Samuel Timothy Spencer, Victoria Moreno, Oliver Porth, Julian Sitarek, Kazi L.J. Rygl, Wen Ping Lo, Geoffrey C. Bower, Ilje Cho, S. Fegan, Samuel Zouari, J. M. Paredes, V. Fallah Ramazani, Thomas Murach, Jim Hinton, R. J. White, F. Leone, S. Loporchio, M. de Naurois, Ed Fomalont, Bart Ripperda, Dominique Broguiere, J. Becerra González, Joseph R. Farah, Q. Feng, Andreas Quirrenbach, Taehyun Jung, C. Trichard, Masahiro Teshima, Domenico Tiziani, D. Malyshev, Richard Plambeck, Lynn D. Matthews, Avery E. Broderick, S. Kumar, T. J. Williamson, M. K. Daniel, Sylvia Zhu, P. J. Meintjes, Tjark Miener, Jodi Christiansen, Roger Brissenden, S. Sailer, Dmitry Khangulyan, David Paneque, Thomas P. Krichbaum, Sergey S. Savchenko, Angelo Ricarte, Riaan Steenkamp, T. Chand, J. Dyks, Francesco Dazzi, V. Baghmanyan, Zorawar Wadiasingh, Kazunori Akiyama, Stefan Ohm, C. Levy, Giovanna Ferrara, Makoto Inoue, Jhilik Majumdar, Nobuyuki Sakai, Dieter Horns, Jorge A. Preciado-López, Cornelia Müller, G. Hermann, Regis Terrier, A. J. Chromey, Dominic W. Pesce, Felix M. Pötzl, Mark Gurwell, Alejandro Cruz-Osorio, Ivan Marti-Vidal, Ben Prather, Tom Armstrong, Jongho Park, Matteo Cerruti, Ziri Younsi, Amy Furniss, Chih-Wei Locutus Huang, Lijing Shao, A. Djannati-Ataï, Shoko Koyama, D. Gottschall, P. Vincent, A. Brill, Kenji Toma, Antonios Nathanail, M. Nievas-Rosillo, M. Seglar-Arroyo, C. Delgado Mendez, Mahito Sasada, G. Busetto, Maciek Wielgus, Marcos Santander, Doosoo Yoon, D. A. Sanchez, Hiroki Okino, Christo Venter, Christiaan D. Brinkerink, James Ryan, S. Mićanović, Raquel Fraga-Encinas, Mark G. Rawlings, G. H. Sembroski, G. Principe, Xiang Liu, Karl Friedrich Schuster, Ronald Hesper, L. Sun, Ciro Bigongiari, Ramesh Narayan, M. Strzys, L. Mohrmann, Daniel R. van Rossum, Y. Ohtani, Wu Jiang, Luciano Rezzolla, Nu. Komin, V. A. Acciari, Katherine L. Bouman, Jürgen Besenrieder, Clemens Hoischen, A. A. Zdziarski, Antonio Tutone, Hung Yi Pu, A. Arbet Engels, J.-P. Lenain, A. De Angelis, Tomoya Hirota, R. J. García López, Carlo Romoli, Werner Hofmann, Tuomas Savolainen, Neil M. Nagar, Minfeng Gu, M. Karjalainen, Vitaly Neustroev, A. N. Otte, John F. C. Wardle, Tomoaki Oyama, Jongsoo Kim, Monica Barnard, J. Otero-Santos, R. D. Parsons, Pierre Christian, A. Priyana Noel, A. S. Seyffert, Shami Chatterjee, E. O. Angüner, David A. Green, Ramesh Karuppusamy, Zhiyuan Li, J. Devin, Dominik Elsaesser, F. Giordano, Santiago Ubach, Michael A. Nowak, Y. Kobayashi, F. Di Pierro, Iniyan Natarajan, A. Zech, M. Garczarczyk, Dmitriy Kostunin, Michael Janssen, Giacomo Bonnoli, Mariafelicia De Laurentis, Kuo Liu, G. Emery, Yutaro Kofuji, Antxon Alberdi, Marco Toliman Lucchini, R. A. Ong, Catherine Boisson, Daniel C. M. Palumbo, Stefan Klepser, Stefano Covino, Motoki Kino, Daniel Kerszberg, C. Armand, Maria Haupt, D. Zarić, K. Pfrang, R. López-Coto, M. Zacharias, Jae-Young Kim, Sheperd S. Doeleman, U. Barres de Almeida, Pratik Majumdar, M. V. Fonseca, Mosè Mariotti, G. Lamanna, Alexander Hahn, Sidika Merve Colak, R. J. Tuffs, B. Bi, Juan-Carlos Algaba, L. Oakes, D. Jankowsky, Y. Kajiwara, R. Marx, Bošnjak, John E. Barrett, Kotaro Niinuma, F. D'Ammando, Qingwen Wu, A. Yusafzai, Christian M. Fromm, Chi-kwan Chan, B. De Lotto, M. Kertzman, Manuela Mallamaci, H. Prokoph, Tadayuki Takahashi, Damir Lelas, Victor Doroshenko, E. Kasai, Lea Heckmann, Bong Won Sohn, Francesco Gabriele Saturni, Shiro Ikeda, T. Vuillaume, Laurent Loinard, G. Maurin, M. Füßling, Martin Will, Yi Chen, Gianluca Giavitto, Remo P. J. Tilanus, M. Spir-Jacob, Alessandro Montanari, Thomas Lohse, Tihomir Surić, J. van Scherpenberg, Per Friberg, He Sun, Luca Tosti, Kiyoaki Wajima, E. Ruiz-Velasco, Thomas Bylund, M. Balokovic, Feng Yuan, S. Nozaki, Mischa Breuhaus, Peter Galison, Y. A. Gallant, L. Olivera-Nieto, Dorota Sobczyńska, Maria-Isabel Bernardos, R. Rauth, Izumi Mizuno, Vincent L. Fish, S. G. Jorstad, Tomoki Saito, Giovanni Ceribella, Jacques Muller, J. P. Finley, Stefano Ansoldi, Boris Georgiev, Marcello Giroletti, Arturo I. Gómez-Ruiz, Karl M. Menten, Aristeidis Noutsos, P. deWilt, Junhan Kim, Alejandro Mus Mejías, Q. Remy, Dong-Jin Kim, P. G. Prada Moroni, Robert Wharton, Riccardo Paoletti, R. R. Prado, Zhi-Qiang Shen, S. Paiano, S. Chandra, Andrés Baquero, Anna Barnacka, Lucy Fortson, Wrijupan Bhattacharyya, Marc Ribó, E. de Ona Wilhelmi, Paul T. P. Ho, Yan-Rong Li, Derek Ward-Thompson, M. Scalici, G. Maneva, Constantin Steppa, Dimitrios Psaltis, A.M. Taylor, J. Damascene Mbarubucyeye, Daniel P. Marrone, Karl Mannheim, W. Boland, P. Morris, D. A. Prokhorov, M. Mohamed, Katsuaki Asano, Gernot Maier, Kotaro Moriyama, H. Odaka, M. Büchele, E. Pueschel, Kazuyoshi Nishijima, Christopher J. Duffy, H. M. Schutte, Camilla Maggio, Mark Kettenis, V. D'Elia, Saverio Lombardi, Ramprasad Rao, Ivica Puljak, R. Mirzoyan, V. Sahakian, Guang Yao Zhao, Adrian Biland, F. Werner, Rafal Moderski, Olivier Gentaz, Ullrich Schwanke, James M. Moran, S. Komossa, Yuzhu Cui, A. Jiménez-Rosales, Arash Roshanineshat, S. Ventura, Lindy Blackburn, David J. James, G. Hughes, Hidetoshi Kubo, Mansour Karami, José L. Gómez, P. Reichherzer, Davit Zargaryan, Paul Tiede, Koushik Chatterjee, Chunchong Ni, Roger Deane, Axel Donath, J. Rico, A. W. Chen, A. Fiasson, Jun Yi Koay, T. B. Humensky, Satoko Sawada-Satoh, Isak Delberth Davids, Alan P. Marscher, Alan E. E. Rogers, Rebecca Azulay, Kazuma Ishio, Paul M. Chesler, D. M. Strom, Carlo Vigorito, Marek Jamrozy, G. Pühlhofer, M. de Bony de Lavergne, Roberta Zanin, T. Schweizer, Elisa Prandini, Helene Sol, Rodolfo Carosi, M. Hörbe, T. Tavernier, Mareki Honma, M. Holler, Gordon T. Richards, Armelle Jardin-Blicq, Paolo Marchegiani, Sang-Sung Lee, D. Huber, Ashot Chilingarian, Nikola Godinovic, F. Ait Benkhali, Jason Dexter, Do-Young Byun, Anton Dmytriiev, Massimo Persic, Alicia Fattorini, L. Dirson, Cosimo Nigro, E. Roache, Sargis Gasparyan, S. Schwemmer, Sara Issaoun, Jessica Dempsey, Andrea Santangelo, Włodek Kluźniak, Mel Rose, Huib Jan van Langevelde, D. J. van der Walt, Elisabetta Liuzzo, A. Stamerra, John Hoang, Michelle Tsirou, Wolfgang Rhode, Tomohisa Kawashima, L. A. Antonelli, Carolin Wunderlich, Keiichi Asada, David A. Williams, Joachim Hahn, P. Moriarty, T. M. Crawford, P. Da Vela, L. Rinchiuso, E. Molina, F. Peter Schloerb, Lovro Pavletić, S. Steinmassl, Des Small, Christoph Deil, Stefano Menchiari, Dan Bintley, K. Nakashima, Alice Donini, David H. Hughes, Heinrich J. Völk, Mohanraj Senniappan, K. A. Farrell, M. Renaud, J. A. Barrio, Miriam Lucio Martinez, Rachel Simoni, P. T. O'Brien, E. Colombo, V. Barbosa Martins, M. Orienti, Efthalia Traianou, Lluis Font, B. Machado de Oliveira Fraga, Y. Suda, J. Neilsen, John Conway, Eduardo Ros, Gibwa Musoke, Tarek M. Hassan, J. Bolmont, A. Sinha, Halim Ashkar, M.-H. Grondin, Daniel Nieto, Lab Saha, Fabrizio Tavecchio, Hyunwook Ro, Michael H. Hecht, Markus Böttcher, Antonio Fuentes, Simone Mender, Moritz Hütten, Ue-Li Pen, Yosuke Mizuno, Gopal Narayanan, Lei Huang, H. Abdalla, M. A. Kastendieck, Nicola Marchili, I. Snidaric, S. Sánchez, G. Vasileiadis, Kari Nilsson, Alexander W. Raymond, Greg Lindahl, Gregory Desvignes, Sascha Trippe, Sanae Inoue, Giacomo D'Amico, W. Jin, B. van Soelen, Andrew Chael, Anne Kathrin Baczko, Shunsuke Sakurai, L. Giunti, A. Nayerhoda, Walter Alef, Jamie Holder, Stefano Truzzi, Pablo Peñil, M. J. Lang, Francois Brun, Frank M. Rieger, V. Vitale, George N. Wong, Jirong Mao, S. Caroff, J. Kushida, André Young, Ru-Sen Lu, Daniel Morcuende, Jose Luis Contreras, Kazuhiro Hada, Juan Cortina, C. van Eldik, Pablo Torne, Raymond Blundell, Jarred Gershon Green, C. B. Adams, James M. Cordes, Jonathan Weintroub, Q. Piel, A. Berti, James E. M. Watson, G. Peron, Ken Young, Garret Cotter, Dario Hrupec, Jonathan Mackey, K. Ragan, John E. Carlstrom, Michael Backes, Tim Holch, D. Hadasch, Stawarz, F. Niederwanger, Feryal Özel, Lia Medeiros, A. Weinstein, Mitsunari Takahashi, Manuel Delfino, C. Y. Kuo, Aviad Levis, Francesco Longo, K. Kosack, Konrad Bernlöhr, Jacco Vink, C. Moore, Michael Bremer, Jim Davies, Jadyn Anczarski, Patrick M. Koch, Sabrina Casanova, Ming-Tang Chen, B. Peyaud, Christian Stegmann, Stefan Wagner, C. Perennes, Yasunobu Uchiyama, David Kieda, Chet Ruszczyk, Hiroshi Nagai, M. Curyło, Andrei Lobanov, Ana Babić, E. Moulin, Tomasz Bulik, Britton Jeter, I. Vovk, Martin Makariev, C. van Rensburg, Oscar Blanch, Rocco Lico, Silke Britzen, Misao Sasaki, A. Reimer, V. Poireau, R. Adam, David Ball, Mark Reynolds, D. Miceli, John L. Quinn, Roberto Garcia, J. F. Glicenstein, D. Ribeiro, A. Wierzcholska, Geoffrey B. Crew, Bruno Khelifi, David Sánchez-Arguelles, Ilse van Bemmel, Michael D. Johnson, J. Anton Zensus, Dominik Baack, Manuel Meyer, E. V. Kravchenko, I. Jiménez, Thomas Bronzwaer, Reshmi Mukherjee, D. Berge, C. Giuri, Kleopas Shiningayamwe, Shan Shan Zhao, Yuki Iwamura, A. D. Falcone, Lenka Tomankova, Carsten Kramer, Jan Wagner, Christian Fruck, B. Rudak, Jordy Davelaar, V. Marandon, K. Katarzyński, Roberto Neri, The EHT MWL Science Working Group, Institut de RadioAstronomie Millimétrique (IRAM), Centre National de la Recherche Scientifique (CNRS), Laboratoire d'études spatiales et d'instrumentation en astrophysique = Laboratory of Space Studies and Instrumentation in Astrophysics (LESIA), Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité), Instituto de RadioAstronomía Milimétrica (IRAM), Laboratoire Leprince-Ringuet (LLR), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-École polytechnique (X)-Centre National de la Recherche Scientifique (CNRS), Centre de Physique des Particules de Marseille (CPPM), Aix Marseille Université (AMU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Laboratoire d'Annecy de Physique des Particules (LAPP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, Laboratoire Univers et Théories (LUTH (UMR_8102)), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE (UMR_7585)), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Centre d'Etudes Nucléaires de Bordeaux Gradignan (CENBG), Université Sciences et Technologies - Bordeaux 1 (UB)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), AstroParticule et Cosmologie (APC (UMR_7164)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité), Laboratoire Univers et Particules de Montpellier (LUPM), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS), Groupe de Physique des Solides (GPS), Université Pierre et Marie Curie - Paris 6 (UPMC)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Université Paris sciences et lettres (PSL), Event Horizon Telescope, Fermi-LAT, H.E.S.S., MAGIC, VERITAS, EAVN, High Energy Astrophys. & Astropart. Phys (API, FNWI), API Other Research (FNWI), Laboratoire d'études spatiales et d'instrumentation en astrophysique (LESIA (UMR_8109)), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Centre National de la Recherche Scientifique (CNRS)-École polytechnique (X)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Diderot - Paris 7 (UPD7), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP), Université Sciences et Technologies - Bordeaux 1-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP), Université Montpellier 2 - Sciences et Techniques (UM2)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS), Algaba, Jc, Anczarski, J, Asada, K, Balokovic, M, Chandra, S, Cui, Yz, Falcone, Ad, Giroletti, M, Goddi, C, Hada, K, Haggard, D, Jorstad, S, Kaur, A, Kawashima, T, Keating, G, Kim, Jy, Kino, M, Komossa, S, Kravchenko, Ev, Krichbaum, Tp, Lee, S, Lu, R, Lucchini, M, Markoff, S, Neilsen, J, Nowak, Ma, Park, J, Principe, G, Ramakrishnan, V, Reynolds, Mt, Sasada, M, Savchenko, S, Williamson, Ke, Longo, F, Et, Al., University of Michigan, Department of Electronics and Nanoengineering, Aalto-yliopisto, Aalto University, Algaba, J. C., Anczarski, J., Asada, K., Balokovic, M., Chandra, S., Cui, Y. -Z., Falcone, A. D., Giroletti, M., Goddi, C., Hada, K., Haggard, D., Jorstad, S., Kaur, A., Kawashima, T., Keating, G., Kim, J. -Y., Kino, M., Komossa, S., Kravchenko, E. V., Krichbaum, T. P., Lee, S. -S., Lu, R. -S., Lucchini, M., Markoff, S., Neilsen, J., Nowak, M. A., Park, J., Principe, G., Ramakrishnan, V., Reynolds, M. T., Sasada, M., Savchenko, S. S., Williamson, K. E., Akiyama, K., Alberdi, A., Alef, W., Anantua, R., Azulay, R., Baczko, A. -K., Ball, D., Barrett, J., Bintley, D., Benson, B. A., Blackburn, L., Blundell, R., Boland, W., Bouman, K. L., Bower, G. C., Boyce, H., Bremer, M., Brinkerink, C. D., Brissenden, R., Britzen, S., Broderick, A. E., Broguiere, D., Bronzwaer, T., Byun, D. -Y., Carlstrom, J. E., Chael, A., Chan, C. -K., Chatterjee, S., Chatterjee, K., Chen, M. -T., Chen, Y., Chesler, P. M., Cho, I., Christian, P., Conway, J. E., Cordes, J. M., Crawford, T. M., Crew, G. B., Cruz-Osorio, A., Davelaar, J., De Laurentis, M., Deane, R., Dempsey, J., Desvignes, G., Dexter, J., Doeleman, S. S., Eatough, R. P., Falcke, H., Farah, J., Fish, V. L., Fomalont, E., Ford, H. A., Fraga-Encinas, R., Friberg, P., Fromm, C. M., Fuentes, A., Galison, P., Gammie, C. F., Garcia, R., Gentaz, O., Georgiev, B., Gold, R., Gomez, J. L., Gomez-Ruiz, A. I., Gu, M., Gurwell, M., Hecht, M. H., Hesper, R., Ho, L. C., Ho, P., Honma, M., Huang, C. -W. L., Huang, L., Hughes, D. H., Ikeda, S., Inoue, M., Issaoun, S., James, D. J., Jannuzi, B. T., Janssen, M., Jeter, B., Jiang, W., Jimenez-Rosales, A., Johnson, M. D., Jung, T., Karami, M., Karuppusamy, R., Kettenis, M., Kim, D. -J., Kim, J., Koay, J. Y., Kofuji, Y., Koch, P. M., Koyama, S., Kramer, M., Kramer, C., Kuo, C. -Y., Lauer, T. R., Levis, A., Li, Y. -R., Li, Z., Lindqvist, M., Lico, R., Lindahl, G., Liu, J., Liu, K., Liuzzo, E., Lo, W. -P., Lobanov, A. P., Loinard, L., Lonsdale, C., Macdonald, N. R., Mao, J., Marchili, N., Marrone, D. P., Marscher, A. P., Marti-Vidal, I., Matsushita, S., Matthews, L. D., Medeiros, L., Menten, K. M., Mizuno, I., Mizuno, Y., Moran, J. M., Moriyama, K., Moscibrodzka, M., Muller, C., Musoke, G., Mejias, A. M., Nagai, H., Nagar, N. M., Nakamura, M., Narayan, R., Narayanan, G., Natarajan, I., Nathanail, A., Neri, R., Ni, C., Noutsos, A., Okino, H., Olivares, H., Ortiz-Leon, G. N., Oyama, T., Ozel, F., Palumbo, D. C. M., Patel, N., Pen, U. -L., Pesce, D. W., Pietu, V., Plambeck, R., Popstefanija, A., Porth, O., Potzl, F. M., Prather, B., Preciado-Lopez, J. A., Psaltis, D., Pu, H. -Y., Rao, R., Rawlings, M. G., Raymond, A. W., Rezzolla, L., Ricarte, A., Ripperda, B., Roelofs, F., Rogers, A., Ros, E., Rose, M., Roshanineshat, A., Rottmann, H., Roy, A. L., Ruszczyk, C., Rygl, K. L. J., Sanchez, S., Sanchez-Arguelles, D., Savolainen, T., Schloerb, F. P., Schuster, K. -F., Shao, L., Shen, Z., Small, D., Sohn, B. W., Soohoo, J., Sun, H., Tazaki, F., Tetarenko, A. J., Tiede, P., Tilanus, R. P. J., Titus, M., Toma, K., Torne, P., Trent, T., Traianou, E., Trippe, S., Van Bemmel, I., Van Langevelde, H. J., Van Rossum, D. R., Wagner, J., Ward-Thompson, D., Wardle, J., Weintroub, J., Wex, N., Wharton, R., Wielgus, M., Wong, G. N., Wu, Q., Yoon, D., Young, A., Young, K., Younsi, Z., Yuan, F., Yuan, Y. -F., Zensus, J. A., Zhao, G. -Y., Zhao, S. -S., D'Ammando, F., Orienti, M., Abdalla, H., Adam, R., Aharonian, F., Benkhali, F. A., Anguner, E. O., Arcaro, C., Armand, C., Armstrong, T., Ashkar, H., Backes, M., Baghmanyan, V., Barbosa Martins, V., Barnacka, A., Barnard, M., Becherini, Y., Berge, D., Bernlohr, K., Bi, B., Bottcher, M., Boisson, C., Bolmont, J., De Bony De Lavergne, M., Breuhaus, M., Brun, F., Brun, P., Bryan, M., Buchele, M., Bulik, T., Bylund, T., Caroff, S., Carosi, A., Casanova, S., Chand, T., Chen, A., Cotter, G., Curylo, M., Damascene Mbarubucyeye, J., Davids, I. D., Davies, J., Deil, C., Devin, J., Dewilt, P., Dirson, L., Djannati-Atai, A., Dmytriiev, A., Donath, A., Doroshenko, V., Duffy, C., Dyks, J., Egberts, K., Eichhorn, F., Einecke, S., Emery, G., Ernenwein, J. -P., Feijen, K., Fegan, S., Fiasson, A., De Clairfontaine, G. F., Fontaine, G., Funk, S., Fussling, M., Gabici, S., Gallant, Y. A., Giavitto, G., Giunti, L., Glawion, D., Glicenstein, J. F., Gottschall, D., Grondin, M. -H., Hahn, J., Haupt, M., Hermann, G., Hinton, J. A., Hofmann, W., Hoischen, C., Holch, T. L., Holler, M., Horbe, M., Horns, D., Huber, D., Jamrozy, M., Jankowsky, D., Jankowsky, F., Jardin-Blicq, A., Joshi, V., Jung-Richardt, I., Kasai, E., Kastendieck, M. A., Katarzynski, K., Katz, U., Khangulyan, D., Khelifi, B., Klepser, S., Kluzniak, W., Komin, N., Konno, R., Kosack, K., Kostunin, D., Kreter, M., Lamanna, G., Lemiere, A., Lemoine-Goumard, M., Lenain, J. -P., Levy, C., Lohse, T., Lypova, I., Mackey, J., Majumdar, J., Malyshev, D., Marandon, V., Marchegiani, P., Marcowith, A., Mares, A., Marti-Devesa, G., Marx, R., Maurin, G., Meintjes, P. J., Meyer, M., Moderski, R., Mohamed, M., Mohrmann, L., Montanari, A., Moore, C., Morris, P., Moulin, E., Muller, J., Murach, T., Nakashima, K., Nayerhoda, A., De Naurois, M., Ndiyavala, H., Niederwanger, F., Niemiec, J., Oakes, L., O'Brien, P., Odaka, H., Ohm, S., Olivera-Nieto, L., De Ona Wilhelmi, E., Ostrowski, M., Panter, M., Panny, S., Parsons, R. D., Peron, G., Peyaud, B., Piel, Q., Pita, S., Poireau, V., Noel, A. P., Prokhorov, D. A., Prokoph, H., Puhlhofer, G., Punch, M., Quirrenbach, A., Rauth, R., Reichherzer, P., Reimer, A., Reimer, O., Remy, Q., Renaud, M., Rieger, F., Rinchiuso, L., Romoli, C., Rowell, G., Rudak, B., Ruiz-Velasco, E., Sahakian, V., Sailer, S., Sanchez, D. A., Santangelo, A., Sasaki, M., Scalici, M., Schutte, H. M., Schwanke, U., Schwemmer, S., Seglar-Arroyo, M., Senniappan, M., Seyffert, A. S., Shafi, N., Shiningayamwe, K., Simoni, R., Sinha, A., Sol, H., Specovius, A., Spencer, S., Spir-Jacob, M., Stawarz, L., Sun, L., Steenkamp, R., Stegmann, C., Steinmassl, S., Steppa, C., Takahashi, T., Tavernier, T., Taylor, A. M., Terrier, R., Tiziani, D., Tluczykont, M., Tomankova, L., Trichard, C., Tsirou, M., Tuffs, R., Uchiyama, Y., Van Der Walt, D. J., Van Eldik, C., Van Rensburg, C., Van Soelen, B., Vasileiadis, G., Veh, J., Venter, C., Vincent, P., Vink, J., Volk, H. J., Vuillaume, T., Wadiasingh, Z., Wagner, S. J., Watson, J., Werner, F., White, R., Wierzcholska, A., Wong, Y. W., Yusafzai, A., Zacharias, M., Zanin, R., Zargaryan, D., Zdziarski, A. A., Zech, A., Zhu, S. J., Zorn, J., Zouari, S., Zywucka, N., Acciari, V. A., Ansoldi, S., Antonelli, L. A., Engels, A. A., Artero, M., Asano, K., Baack, D., Babic, A., Baquero, A., De Almeida, U. B., Barrio, J. A., Becerra Gonzalez, J., Bednarek, W., Bellizzi, L., Bernardini, E., Bernardos, M., Berti, A., Besenrieder, J., Bhattacharyya, W., Bigongiari, C., Biland, A., Blanch, O., Bonnoli, G., Bosnjak, Z., Busetto, G., Carosi, R., Ceribella, G., Cerruti, M., Chai, Y., Chilingarian, A., Cikota, S., Colak, S. M., Colombo, E., Contreras, J. L., Cortina, J., Covino, S., D'Amico, G., D'Elia, V., Da Vela, P., Dazzi, F., De Angelis, A., De Lotto, B., Delfino, M., Delgado, J., Delgado Mendez, C., Depaoli, D., Di Pierro, F., Di Venere, L., Do Souto Espineira, E., Dominis Prester, D., Donini, A., Dorner, D., Doro, M., Elsaesser, D., Fallah Ramazani, V., Fattorini, A., Ferrara, G., Fonseca, M. V., Font, L., Fruck, C., Fukami, S., Garcia Lopez, R. J., Garczarczyk, M., Gasparyan, S., Gaug, M., Giglietto, N., Giordano, F., Gliwny, P., Godinovic, N., Green, J. G., Green, D., Hadasch, D., Hahn, A., Heckmann, L., Herrera, J., Hoang, J., Hrupec, D., Hutten, M., Inada, T., Inoue, S., Ishio, K., Iwamura, Y., Jimenez, I., Jormanainen, J., Jouvin, L., Kajiwara, Y., Karjalainen, M., Kerszberg, D., Kobayashi, Y., Kubo, H., Kushida, J., Lamastra, A., Lelas, D., Leone, F., Lindfors, E., Lombardi, S., Longo, F., Lopez-Coto, R., Lopez-Moya, M., Lopez-Oramas, A., Loporchio, S., Machado De Oliveira Fraga, B., Maggio, C., Majumdar, P., Makariev, M., Mallamaci, M., Maneva, G., Manganaro, M., Mannheim, K., Maraschi, L., Mariotti, M., Martinez, M., Mazin, D., Menchiari, S., Mender, S., Micanovic, S., Miceli, D., Miener, T., Minev, M., Miranda, J. M., Mirzoyan, R., Molina, E., Moralejo, A., Morcuende, D., Moreno, V., Moretti, E., Neustroev, V., Nigro, C., Nilsson, K., Nishijima, K., Noda, K., Nozaki, S., Ohtani, Y., Oka, T., Otero-Santos, J., Paiano, S., Palatiello, M., Paneque, D., Paoletti, R., Paredes, J. M., Pavletic, L., Penil, P., Perennes, C., Persic, M., Moroni, P. G. P., Prandini, E., Priyadarshi, C., Puljak, I., Rhode, W., Ribo, M., Rico, J., Righi, C., Rugliancich, A., Saha, L., Sahakyan, N., Saito, T., Sakurai, S., Satalecka, K., Saturni, F. G., Schleicher, B., Schmidt, K., Schweizer, T., Sitarek, J., Snidaric, I., Sobczynska, D., Spolon, A., Stamerra, A., Strom, D., Strzys, M., Suda, Y., Suric, T., Takahashi, M., Tavecchio, F., Temnikov, P., Terzic, T., Teshima, M., Tosti, L., Truzzi, S., Tutone, A., Ubach, S., Van Scherpenberg, J., Vanzo, G., Vazquez Acosta, M., Ventura, S., Verguilov, V., Vigorito, C. F., Vitale, V., Vovk, I., Will, M., Wunderlich, C., Zaric, D., Adams, C. B., Benbow, W., Brill, A., Capasso, M., Christiansen, J. L., Chromey, A. J., Daniel, M. K., Errando, M., Farrell, K. A., Feng, Q., Finley, J. P., Fortson, L., Furniss, A., Gent, A., Giuri, C., Hassan, T., Hervet, O., Holder, J., Hughes, G., Humensky, T. B., Jin, W., Kaaret, P., Kertzman, M., Kieda, D., Kumar, S., Lang, M. J., Lundy, M., Maier, G., Moriarty, P., Mukherjee, R., Nieto, D., Nievas-Rosillo, M., O'Brien, S., Ong, R. A., Otte, A. N., Patel, S., Pfrang, K., Pohl, M., Prado, R. R., Pueschel, E., Quinn, J., Ragan, K., Reynolds, P. T., Ribeiro, D., Richards, G. T., Roache, E., Rulten, C., Ryan, J. L., Santander, M., Sembroski, G. H., Shang, R., Weinstein, A., Williams, D. A., Williamson, T. J., Hirota, T., Cui, L., Niinuma, K., Ro, H., Sakai, N., Sawada-Satoh, S., Wajima, K., Wang, N., Liu, X., Yonekura, Y., German Research Foundation, Istituto Nazionale di Fisica Nucleare, Swiss National Science Foundation, Ministerio de Ciencia, Innovación y Universidades (España), Department of Atomic Energy (India), University of Tokyo, Japan Society for the Promotion of Science, Ministry of Education and Scientific Research (Romania), Academy of Finland, La Caixa, Croatian Science Foundation, Generalitat de Catalunya, Polish National Agency for Academic Exchange, University of Rijeka, Department of Energy (US), Smithsonian Institution, Astronomy, and Centre National de la Recherche Scientifique (CNRS)-Université de Montpellier (UM)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Montpellier 2 - Sciences et Techniques (UM2)
Subjects: Accretion, 010504 meteorology & atmospheric sciences, Astronomy, Flux, Astrophysics, 7. Clean energy, 01 natural sciences, Active galactic nuclei, Radio cores, Low-luminosity active galactic nuclei, High energy astrophysics, Astrophysical black holes, Astrophysics - High Energy Astrophysical Phenomena, Astrophysics - Cosmology and Nongalactic Astrophysics, Astrophysics - Astrophysics of Galaxies, 010303 astronomy & astrophysics, High Energy Astrophysical Phenomena (astro-ph.HE), Physics, astro-ph.HE, Radio core, Accretion (meteorology), 520 Astronomie und zugeordnete Wissenschaften, Low-luminosity, active galactic nuclei, Astrophysical black hole, astro-ph.CO, Cosmology and Nongalactic Astrophysics (astro-ph.CO), Active galactic nucleus, High-energy astronomy, astro-ph.GA, Astrophysics::High Energy Astrophysical Phenomena, FOS: Physical sciences, F500, Astrophysics::Cosmology and Extragalactic Astrophysics, High energy astrophysic, 0103 physical sciences, Very-long-baseline interferometry, ddc:530, Astrophysics::Galaxy Astrophysics, 0105 earth and related environmental sciences, Event Horizon Telescope, Supermassive black hole, Astronomy and Astrophysics, 530 Physik, Galaxy, Space and Planetary Science, Astrophysics of Galaxies (astro-ph.GA), ddc:520, HESS - Abteilung Hinton, [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph]
Abstract: Full list of authors: EHT MWL Science Working Group; Algaba, J. C.; Anczarski, J.; Asada, K.; Baloković, M.; Chandra, S.; Cui, Y. -Z.; Falcone, A. D.; Giroletti, M.; Goddi, C.; Hada, K.; Haggard, D.; Jorstad, S.; Kaur, A.; Kawashima, T.; Keating, G.; Kim, J. -Y.; Kino, M.; Komossa, S.; Kravchenko, E. V.; Krichbaum, T. P.; Lee, S. -S.; Lu, R. -S.; Lucchini, M.; Markoff, S.; Neilsen, J.; Nowak, M. A.; Park, J.; Principe, G.; Ramakrishnan, V.; Reynolds, M. T.; Sasada, M.; Savchenko, S. S.; Williamson, K. E.; Event Horizon Telescope Collaboration; Akiyama, Kazunori; Alberdi, Antxon; Alef, Walter; Anantua, Richard; Azulay, Rebecca; Baczko, Anne-Kathrin; Ball, David; Barrett, John; Bintley, Dan; Benson, Bradford A.; Blackburn, Lindy; Blundell, Raymond; Boland, Wilfred; Bouman, Katherine L.; Bower, Geoffrey C.; Boyce, Hope; Bremer, Michael; Brinkerink, Christiaan D.; Brissenden, Roger; Britzen, Silke; Broderick, Avery E.; Broguiere, Dominique; Bronzwaer, Thomas; Byun, Do-Young; Carlstrom, John E.; Chael, Andrew; Chan, Chi-Kwan; Chatterjee, Shami; Chatterjee, Koushik; Chen, Ming-Tang; Chen, Yongjun; Chesler, Paul M.; Cho, Ilje; Christian, Pierre; Conway, John E.; Cordes, James M.; Crawford, Thomas M.; Crew, Geoffrey B.; Cruz-Osorio, Alejandro; Davelaar, Jordy; de Laurentis, Mariafelicia; Deane, Roger; Dempsey, Jessica; Desvignes, Gregory; Dexter, Jason; Doeleman, Sheperd S.; Eatough, Ralph P.; Falcke, Heino; Farah, Joseph; Fish, Vincent L.; Fomalont, Ed; Ford, H. Alyson; Fraga-Encinas, Raquel; Friberg, Per; Fromm, Christian M.; Fuentes, Antonio; Galison, Peter; Gammie, Charles F.; García, Roberto; Gentaz, Olivier; Georgiev, Boris; Gold, Roman; Gómez, José L.; Gómez-Ruiz, Arturo I.; Gu, Minfeng; Gurwell, Mark; Hecht, Michael H.; Hesper, Ronald; Ho, Luis C.; Ho, Paul; Honma, Mareki; Huang, Chih-Wei L.; Huang, Lei; Hughes, David H.; Ikeda, Shiro; Inoue, Makoto; Issaoun, Sara; James, David J.; Jannuzi, Buell T.; Janssen, Michael; Jeter, Britton; Jiang, Wu; Jiménez-Rosales, Alejandra; Johnson, Michael D.; Jung, Taehyun; Karami, Mansour; Karuppusamy, Ramesh; Kettenis, Mark; Kim, Dong-Jin; Kim, Jongsoo; Kim, Junhan; Koay, Jun Yi; Kofuji, Yutaro; Koch, Patrick M.; Koyama, Shoko; Kramer, Michael; Kramer, Carsten; Kuo, Cheng-Yu; Lauer, Tod R.; Levis, Aviad; Li, Yan-Rong; Li, Zhiyuan; Lindqvist, Michael; Lico, Rocco; Lindahl, Greg; Liu, Jun; Liu, Kuo; Liuzzo, Elisabetta; Lo, Wen-Ping; Lobanov, Andrei P.; Loinard, Laurent; Lonsdale, Colin; MacDonald, Nicholas R.; Mao, Jirong; Marchili, Nicola; Marrone, Daniel P.; Marscher, Alan P.; Martí-Vidal, Iván; Matsushita, Satoki; Matthews, Lynn D.; Medeiros, Lia; Menten, Karl M.; Mizuno, Izumi; Mizuno, Yosuke; Moran, James M.; Moriyama, Kotaro; Moscibrodzka, Monika; Müller, Cornelia; Musoke, Gibwa; Mejías, Alejandro Mus; Nagai, Hiroshi; Nagar, Neil M.; Nakamura, Masanori; Narayan, Ramesh; Narayanan, Gopal; Natarajan, Iniyan; Nathanail, Antonios; Neri, Roberto; Ni, Chunchong; Noutsos, Aristeidis; Okino, Hiroki; Olivares, Héctor; Ortiz-León, Gisela N.; Oyama, Tomoaki; Özel, Feryal; Palumbo, Daniel C. M.; Patel, Nimesh; Pen, Ue-Li; Pesce, Dominic W.; Piétu, Vincent; Plambeck, Richard; Popstefanija, Aleksandar; Porth, Oliver; Pötzl, Felix M.; Prather, Ben; Preciado-López, Jorge A.; Psaltis, Dimitrios; Pu, Hung-Yi; Rao, Ramprasad; Rawlings, Mark G.; Raymond, Alexander W.; Rezzolla, Luciano; Ricarte, Angelo; Ripperda, Bart; Roelofs, Freek; Rogers, Alan; Ros, Eduardo; Rose, Mel; Roshanineshat, Arash; Rottmann, Helge; Roy, Alan L.; Ruszczyk, Chet; Rygl, Kazi L. J.; Sánchez, Salvador; Sánchez-Arguelles, David; Savolainen, Tuomas; Schloerb, F. Peter; Schuster, Karl-Friedrich; Shao, Lijing; Shen, Zhiqiang; Small, Des; Sohn, Bong Won; Soohoo, Jason; Sun, He; Tazaki, Fumie; Tetarenko, Alexandra J.; Tiede, Paul; Tilanus, Remo P. 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M.; Pavletić, L.; Peñil, P.; Perennes, C.; Persic, M.; Moroni, P. G. Prada; Prandini, E.; Priyadarshi, C.; Puljak, I.; Rhode, W.; Ribó, M.; Rico, J.; Righi, C.; Rugliancich, A.; Saha, L.; Sahakyan, N.; Saito, T.; Sakurai, S.; Satalecka, K.; Saturni, F. G.; Schleicher, B.; Schmidt, K.; Schweizer, T.; Sitarek, J.; Šnidarić, I.; Sobczynska, D.; Spolon, A.; Stamerra, A.; Strom, D.; Strzys, M.; Suda, Y.; Surić, T.; Takahashi, M.; Tavecchio, F.; Temnikov, P.; Terzić, T.; Teshima, M.; Tosti, L.; Truzzi, S.; Tutone, A.; Ubach, S.; van Scherpenberg, J.; Vanzo, G.; Vazquez Acosta, M.; Ventura, S.; Verguilov, V.; Vigorito, C. F.; Vitale, V.; Vovk, I.; Will, M.; Wunderlich, C.; Zarić, D.; VERITAS Collaboration; Adams, C. B.; Benbow, W.; Brill, A.; Capasso, M.; Christiansen, J. L.; Chromey, A. J.; Daniel, M. K.; Errando, M.; Farrell, K. A.; Feng, Q.; Finley, J. P.; Fortson, L.; Furniss, A.; Gent, A.; Giuri, C.; Hassan, T.; Hervet, O.; Holder, J.; Hughes, G.; Humensky, T. B.; Jin, W.; Kaaret, P.; Kertzman, M.; Kieda, D.; Kumar, S.; Lang, M. J.; Lundy, M.; Maier, G.; Moriarty, P.; Mukherjee, R.; Nieto, D.; Nievas-Rosillo, M.; O'Brien, S.; Ong, R. A.; Otte, A. N.; Patel, S.; Pfrang, K.; Pohl, M.; Prado, R. R.; Pueschel, E.; Quinn, J.; Ragan, K.; Reynolds, P. T.; Ribeiro, D.; Richards, G. T.; Roache, E.; Rulten, C.; Ryan, J. L.; Santander, M.; Sembroski, G. H.; Shang, R.; Weinstein, A.; Williams, D. A.; Williamson, T. J.; Eavn Collaboration; Hirota, Tomoya; Cui, Lang; Niinuma, Kotaro; Ro, Hyunwook; Sakai, Nobuyuki; Sawada-Satoh, Satoko; Wajima, Kiyoaki; Wang, Na; Liu, Xiang; Yonekura, Yoshinori, In 2017, the Event Horizon Telescope (EHT) Collaboration succeeded in capturing the first direct image of the center of the M87 galaxy. The asymmetric ring morphology and size are consistent with theoretical expectations for a weakly accreting supermassive black hole of mass ∼6.5 × 109 M o˙. The EHTC also partnered with several international facilities in space and on the ground, to arrange an extensive, quasi-simultaneous multi-wavelength campaign. This Letter presents the results and analysis of this campaign, as well as the multi-wavelength data as a legacy data repository. We captured M87 in a historically low state, and the core flux dominates over HST-1 at high energies, making it possible to combine core flux constraints with the more spatially precise very long baseline interferometry data. We present the most complete simultaneous multi-wavelength spectrum of the active nucleus to date, and discuss the complexity and caveats of combining data from different spatial scales into one broadband spectrum. We apply two heuristic, isotropic leptonic single-zone models to provide insight into the basic source properties, but conclude that a structured jet is necessary to explain M87's spectrum. We can exclude that the simultaneous γ-ray emission is produced via inverse Compton emission in the same region producing the EHT mm-band emission, and further conclude that the γ-rays can only be produced in the inner jets (inward of HST-1) if there are strongly particle-dominated regions. Direct synchrotron emission from accelerated protons and secondaries cannot yet be excluded., The financial support of the German BMBF, MPG and HGF; the Italian INFN and INAF; the Swiss National Fund SNF; the ERDF under the Spanish Ministerio de Ciencia e Innovacion (MICINN) (FPA2017-87859-P, FPA2017-85668-P, FPA2017- 82729-C6-5-R, FPA2017-90566-REDC, PID2019-104114RBC31, PID2019-104114RB-C32, PID2019-105510GB-C31,PID 2019-107847RB-C41, PID2019-107847RB-C42, PID2019- 107988GB-C22); the Indian Department of Atomic Energy; the Japanese ICRR, the University of Tokyo, JSPS, and MEXT; the Bulgarian Ministry of Education and Science, National RI Roadmap Project DO1-268/16.12.2019 and the Academy of Finland grant No. 320045 is gratefully acknowledged. This work was also supported by the Spanish Centro de Excelencia “Severo Ochoa” SEV-2016-0588 and CEX2019- 000920-S, and “Maria de Maeztu” CEX2019-000918-M, the Unidad de Excelencia “Maria de Maeztu” MDM-2015-0509- 18-2 and the “la Caixa” Foundation (fellowship LCF/BQ/ PI18/11630012) and by the CERCA program of the Generalitat de Catalunya; by the Croatian Science Foundation (HrZZ) Project IP-2016-06-9782 and the University of Rijeka Project 13.12.1.3.02; by the DFG Collaborative Research Centers SFB823/C4 and SFB876/C3; the Polish National Research Centre grant UMO-2016/22/M/ST9/00382; and by the Brazilian MCTIC, CNPq, and FAPERJ. This research is supported by grants from the U.S. Department of Energy Office of Science, the U.S. National Science Foundation and the Smithsonian Institution, by NSERC in Canada, and by the Helmholtz Association in Germany. This research used resources provided by the Open Science Grid, which is supported by the National Science Foundation and the U.S. Department of Energy’s Office of Science, and resources of the National Energy Research Scientific Computing Center (NERSC), a U.S. Department of Energy Office of Science User Facility operated under Contract No. DE-AC02-05CH11231. We acknowledge the excellent work of the technical support staff at the Fred Lawrence Whipple Observatory and at the collaborating institutions in the construction and operation of the instrument.
Published: 2021

11. Very high energy γ-ray emission from two blazars of unknown redshift and upper limits on their distance

Author: Johan Bregeon, J. Devin, D. Gottschall, Zorawar Wadiasingh, Tadayuki Takahashi, R. J. White, Łukasz Stawarz, V. Barbosa Martins, H.M. Schutte, Maria Haupt, Thomas Lohse, Victor Doroshenko, Domenico Tiziani, M. Lemoine-Goumard, C. Arcaro, Michal Ostrowski, J.-P. Lenain, M. Panter, U. Katz, Michael Kreter, Jim Hinton, A. Lemiere, F. Eichhorn, M. de Naurois, R. Adam, Stefan Ohm, James Davies, Stefan Funk, Alicja Wierzcholska, Michael Punch, S. Sailer, Dmitry Khangulyan, D. A. Sanchez, H. Abdalla, M. Zacharias, M. A. Kastendieck, Stefano Gabici, T. Vuillaume, Rafal Moderski, R. J. Tuffs, N. Shafi, Natalia Żywucka, A. Fiasson, Samuel Timothy Spencer, M. Spir-Jacob, M. Seglar-Arroyo, Alexandre Marcowith, A. Santangelo, V. Baghmanyan, Nu. Komin, T. Chand, Jhilik Majumdar, J. Dyks, V. Joshi, P. deWilt, F. Ait Benkhali, L. Oakes, J. Bolmont, Mischa Breuhaus, Heike Prokoph, E. O. Angüner, G. Lamanna, Anton Dmytriiev, Davit Zargaryan, Ruizhi Yang, Q. Piel, Dmitriy Kostunin, Krzysztof Katarzynski, Catherine Boisson, Axel Donath, A. W. Chen, S. Caroff, V. Sahakian, F. Werner, G. Pühlhofer, Arnaud Mares, D. Jankowsky, R. Marx, M. Füßling, S. Schwemmer, Q. Remy, R. Rauth, Dieter Horns, G. Maurin, Y. A. Gallant, Marek Jamrozy, Clemens Hoischen, A. A. Zdziarski, A.S. Seyffert, R. Konno, M. Barnard, S. Nakashima, Anna Barnacka, Gavin Rowell, M. Mohamed, Riaan Steenkamp, M. Bryan, Helene Sol, A. Carosi, M. Hörbe, Sylvia Zhu, P. J. Meintjes, Michelle Tsirou, Christian Stegmann, Stefan Wagner, E. de Oña Wilhelmi, D. Malyshev, S. Raab, Yasunobu Uchiyama, J. Zorn, L. Rinchiuso, Isak Delberth Davids, Kirsty Feijen, Frank M. Rieger, Pierre Brun, R. D. Parsons, T. Tavernier, Jean-Pierre Ernenwein, I. Jung-Richardt, Jason John Watson, Roberta Zanin, L. Mohrmann, V. Poireau, Gianluca Giavitto, C. van Rensburg, S. Pita, Johannes Veh, K. Bernlöhr, H. Yoneda, Paolo Marchegiani, M. Tluczykont, D. J. van der Walt, A. Djannati-Ataï, Francois Brun, P. Vincent, Markus Holler, Misao Sasaki, Felix Jankowsky, Jacek Niemiec, V. Marandon, C. Trichard, H. Odaka, Felix Aharonian, Olaf Reimer, S. Bonnefoy, Constantin Steppa, Garret Cotter, Celine Armand, Michael Backes, E. Ruiz-Velasco, Thomas Bylund, D. Huber, M.-H. Grondin, Tim Holch, E. Leser, Thomas Murach, Joachim Hahn, J. Muller, G. Hermann, Regis Terrier, D. A. Prokhorov, K. Kosack, C. Levy, Ullrich Schwanke, Naomi Tsuji, Carlo Romoli, Angel Noel, Jonathan Mackey, D. Berge, Gerard Fontaine, B. Peyaud, Iryna Lypova, S. Chandra, L. Giunti, M. Katsuragawa, Yvonne Becherini, C. Moore, Dorit Glawion, K. Egberts, E. Moulin, A. Reimer, Tomasz Bulik, Halim Ashkar, Andreas Quirrenbach, M. Böttcher, Paul J. Morris, Kleopas Shiningayamwe, P. T. O'Brien, Lenka Tomankova, C. van Eldik, L. Dirson, J. F. Glicenstein, Tom Armstrong, Matteo Cerruti, H. Ndiyavala, B. van Soelen, B. Rudak, F. Schüssler, Werner Hofmann, M. Büchele, S. J. Fegan, F. Niederwanger, Bruno Khelifi, Jacco Vink, Sabrina Casanova, M. Curyło, Rachel Simoni, Masanori Arakawa, M. Scalici, G. Martí-Devesa, H. Iwasaki, G. Vasileiadis, Włodek Kluźniak, Christoph Deil, Mohanraj Senniappan, G. Emery, S. Saito, Armelle Jardin-Blicq, K. Nakashima, Heinrich J. Völk, M. Renaud, A. Sinha, Christo Venter, A. Zech, A.M. Taylor, Andreas Specovius, Stefan Klepser, Faculty of Science, High Energy Astrophys. & Astropart. Phys (API, FNWI), Gravitation and Astroparticle Physics Amsterdam, Laboratoire Leprince-Ringuet (LLR), Centre National de la Recherche Scientifique (CNRS)-École polytechnique (X)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), Centre de Physique des Particules de Marseille (CPPM), Aix Marseille Université (AMU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Laboratoire d'Annecy de Physique des Particules (LAPP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, Galaxies, Etoiles, Physique, Instrumentation (GEPI), Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE (UMR_7585)), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris Diderot - Paris 7 (UPD7)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Laboratoire Univers et Particules de Montpellier (LUPM), Centre National de la Recherche Scientifique (CNRS)-Université de Montpellier (UM)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Montpellier 2 - Sciences et Techniques (UM2), Centre d'Etudes Nucléaires de Bordeaux Gradignan (CENBG), Université Sciences et Technologies - Bordeaux 1-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), AstroParticule et Cosmologie (APC (UMR_7164)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP), H.E.S.S., German Research Foundation, Alexander von Humboldt Foundation, Centre National de la Recherche Scientifique (France), Japan Society for the Promotion of Science, Science and Technology Facilities Council (UK), Fundación 'la Caixa', National Aeronautics and Space Administration (US), H.E.S.S. Collaboration, Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-École polytechnique (X)-Centre National de la Recherche Scientifique (CNRS), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS), Université Sciences et Technologies - Bordeaux 1 (UB)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité), Université Montpellier 2 - Sciences et Techniques (UM2)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS), 26598973 - Abdalla, Hassan, 30588766 - Arcaro, Cornelia, 28644743 - Backes, Michael, 20574266 - Barnard, Monica, 24420530 - Böttcher, Markus, 30366755 - Chand, Tej B., 31125417 - Chandra, Sunil, 33379009 - Kreter, Michael, 26403366 - Ndiyavala, Hambeleleni, 22799133 - Schutte, Hester M., 20126999 - Seyffert, Albertus Stefanus, 10060499 - Van der Walt, Diederick Johannes, 21106266 - Van Rensburg, Carlo, 12006653 - Venter, Christo, 26594080 - Wadiasingh, Zorawar, 29092086 - Zacharias, Michael, and 34208968 - Zywucka-Hejzner, Natalia
Subjects: individual [BL Lacertae objects], Swift Gamma-Ray Burst Mission, VHE [gamma ray], satellite, Resolved and unresolved sources as a function of wavelength, Astrophysics, 01 natural sciences, GLAST, blazar, high-redshift [Galaxies], galaxies: high-redshift, 5/3, HESS, 0103 physical sciences, Atom, High Energy Stereoscopic System, Spectroscopy, Blazar, 010303 astronomy & astrophysics, BL Lacertae objects: individual, Astroparticle physics, Physics, general [Gamma-rays], energy: high, 010308 nuclear & particles physics, Astronomy and Astrophysics, gamma-rays: general, redshift, Redshift, gamma ray: VHE, 13. Climate action, Space and Planetary Science, ddc:520, high [energy], HESS - Abteilung Hinton, Astrophysics - High Energy Astrophysical Phenomena, [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph], Fermi Gamma-ray Space Telescope
Abstract: H.E.S.S. Collaboration: et al., We report on the detection of very high energy (VHE; E > 100 GeV) γ-ray emission from the BL Lac objects KUV 00311−1938 and PKS 1440−389 with the High Energy Stereoscopic System (H.E.S.S.). H.E.S.S. observations were accompanied or preceded by multiwavelength observations with Fermi/LAT, XRT and UVOT onboard the Swift satellite, and ATOM. Based on an extrapolation of the Fermi/LAT spectrum towards the VHE γ-ray regime, we deduce a 95 per cent confidence level upper limit on the unknown redshift of KUV 00311−1938 of z < 0.98 and of PKS 1440−389 of z < 0.53. When combined with previous spectroscopy results, the redshift of KUV 00311−1938 is constrained to 0.51 ≤ z < 0.98 and of PKS 1440−389 to 0.14 ⪅ z < 0.53., The support of the Namibian authorities and of the University of Namibia in facilitating the construction and operation of H.E.S.S. is gratefully acknowledged, as is the support by the German Ministry for Education and Research (BMBF), the Max Planck Society, the German Research Foundation (DFG), the Helmholtz Association, the Alexander von Humboldt Foundation, the French Ministry of Higher Education, Research and Innovation, the Centre National de la Recherche Scientifique (CNRS/IN2P3 and CNRS/INSU), the Commissariat a l'Energie Atomique et aux Energies Alternatives (CEA), the U.K. Science and Technology Facilities Council (STFC), the Knut and Alice Wallenberg Foundation, the National Science Centre, Poland grant no. 2016/22/M/ST9/00382, the South African Department of Science and Technology and National Research Foundation, the University of Namibia, the National Commission on Research, Science and Technology of Namibia (NCRST), the Austrian Federal Ministry of Education, Science and Research and the Austrian Science Fund (FWF), the Australian Research Council (ARC), the Japan Society for the Promotion of Science, and the University of Amsterdam. We appreciate the excellent work of the technical support staff in Berlin, Zeuthen, Heidelberg, Palaiseau, Paris, Saclay, Tubingen, and in Namibia in the construction and operation of the equipment. This work benefited from services provided by the H.E.S.S. Virtual Organisation, supported by the national resource providers of the EGI Federation. The H.E.S.S. and Fermi/LAT analysis computations were performed on resources provided by the Swedish National Infrastructure for Computing (SNIC) at Lunarc. Tomas Bylund and Yvonne Becherini wish to acknowledge the support of the Data Intensive Sciences and Applications (DISA) centre at Linnaeus University. Matteo Cerruti has received financial support through the Postdoctoral Junior Leader Fellowship Programme from “la Caixa” Foundation (LCF/BQ/PI18/11630012). This research made use of the NASA/IPAC Extragalactic Database (NED) and of the SIMBAD Astronomical Database, of data products from the Wide-field Infrared Survey Explorer, which is a joint project of the University of California, Los Angeles, and the Jet Propulsion Laboratory/California Institute of Technology, funded by the National Aeronautics and Space Administration. We acknowledge the use of public data from the Swift data archive. This research made use of Gammapy, a community- developed core Python package for gamma-ray astronomy (Deil et al. 2017). This research has made use of data and software provided by the Fermi Science Support Center, managed by the HEASARC at the Goddard Space Flight Center. Part of this work is based on archival data, software or online services provided by the Space Science Data Center - ASI. This research has made use of the VizieR catalogue access tool, CDS, Strasbourg, France (doi:10.26093/cds/vizier). The original description of the VizieR service was published in A&AS 143, 23. This research has made use of the NASA/IPAC Infrared Science Archive, which is funded by the National Aeronautics and Space Administration and operated by the California Institute of Technology.
Published: 2020

12. Detection of very-high-energy γ -ray emission from the colliding wind binary η Car with H.E.S.S

Author: E. O. Angüner, Ramin Marx, M. Panter, U. Katz, G. Heinzelmann, Iryna Lypova, S. Nakashima, Yvonne Becherini, G. Martí-Devesa, Stefan Klepser, H. Yoneda, A. Fiasson, L. Giunti, P. deWilt, J. King, R. Adam, I. Jung-Richardt, James Davies, F. Eichhorn, Michael Punch, Maria Haupt, R. J. Tuffs, Michal Ostrowski, J.-P. Lenain, Stefan Ohm, Łukasz Stawarz, J. F. Glicenstein, Frank M. Rieger, Markus Holler, Michelle Tsirou, C. Levy, S. Pita, S. Colafrancesco, L. Rinchiuso, Q. Remy, Felix Jankowsky, J. Zorn, M.-H. Grondin, Mischa Breuhaus, C. Arcaro, Stefano Gabici, F. Niederwanger, Jacco Vink, Sabrina Casanova, Halim Ashkar, M. Curyło, Stefan Funk, Alicja Wierzcholska, Gavin Rowell, M. Bryan, Felix Aharonian, N. Shafi, R. D. Parsons, H. Ndiyavala, B. van Soelen, B. Rudak, Dmitriy Kostunin, K. Nakashima, Nu. Komin, Natalia Żywucka, M. de Naurois, T. Chand, Jhilik Majumdar, L. Oakes, A. Lemière, Heinrich J. Völk, M. Renaud, R. Rauth, Axel Donath, A. W. Chen, M. Büchele, S. Eschbach, M. Barnard, Marek Jamrozy, J. Bolmont, Gianluca Giavitto, K. Bernlöhr, Helene Sol, V. Poireau, H. Odaka, M. Füßling, Jacek Niemiec, Rafal Moderski, C. Perennes, K. Egberts, Dieter Horns, Olaf Reimer, M. Lemoine-Goumard, J. Dyks, Ruizhi Yang, Francois Brun, Reinhard Schlickeiser, Zorawar Wadiasingh, M. Böttcher, Michael Kreter, S. Chandra, Paolo Marchegiani, P. Vincent, S. J. Fegan, A. Djannati-Ataï, V. Barbosa Martins, S. Raab, L. Dirson, F. Gaté, Kirsty Feijen, S. Bonnefoy, Constantin Steppa, Alexandre Marcowith, M. Zacharias, Rachel Simoni, Masanori Arakawa, Celine Armand, Thomas Murach, Joachim Hahn, T. Vuillaume, A. Schulz, Clemens Hoischen, A. A. Zdziarski, Ullrich Schwanke, V. Joshi, V. Sahakian, A. Carosi, F. Werner, F. Ait Benkhali, E. de Oña Wilhelmi, Anton Dmytriiev, Isak Delberth Davids, S. Schwemmer, Arnaud Mares, Andrea Santangelo, Jim Hinton, Roberta Zanin, C. Trichard, S. Sailer, Dmitry Khangulyan, P. J. Meintjes, Tom Armstrong, Matteo Cerruti, D. A. Sanchez, M. Seglar-Arroyo, P.-O. Petrucci, Johan Bregeon, R. J. White, J. Devin, F. Schüssler, M. Scalici, A. Priyana Noel, Domenico Tiziani, D. Malyshev, Tadayuki Takahashi, A.M. Taylor, Werner Hofmann, Michael Backes, Jonathan Mackey, Victor Doroshenko, Gilles Henri, Heike Prokoph, C. Moore, Q. Piel, Dorit Glawion, Tim Holch, E. Moulin, Tomasz Bulik, S. Caroff, D. Huber, Marion Spir-Jacob, G. Maurin, H. Iwasaki, A.S. Seyffert, Naomi Tsuji, D. Jankowsky, Gerard Fontaine, M. Katsuragawa, Andreas Quirrenbach, Hester Schutte, Riaan Steenkamp, Andreas Specovius, Christian Stegmann, Stefan Wagner, Yasunobu Uchiyama, L. Mohrmann, C. van Rensburg, Misao Sasaki, D. J. van der Walt, M. Hörbe, T. Tavernier, E. Leser, P. T. O'Brien, B. Khélifi, G. Hermann, Regis Terrier, Carlo Romoli, Christo Venter, Y. A. Gallant, Atreyee Sinha, C. van Eldik, A. Zech, M. Mohamed, Garret Cotter, D. A. Prokhorov, K. Kosack, B. Peyaud, G. Pühlhofer, A. Reimer, Pierre Brun, Jean-Pierre Ernenwein, Johannes Veh, R. Blackwell, E. Ruiz-Velasco, G. Emery, S. Saito, Thomas Bylund, M. Tluczykont, Armelle Jardin-Blicq, Jacques Muller, Samuel Timothy Spencer, H. Abdalla, M. A. Kastendieck, G. Vasileiadis, Włodek Kluźniak, Krzysztof Katarzynski, Catherine Boisson, Christoph Deil, Mohanraj Senniappan, D. Berge, Paul J. Morris, Kleopas Shiningayamwe, Lenka Tomankova, Jason John Watson, V. Marandon, D. Gottschall, Thomas Lohse, G. Lamanna, Alexander von Humboldt Foundation, Southern California Earthquake Center, EGI Foundation, Science and Technology Facilities Council (UK), Australian Research Council, German Research Foundation, Japan Society for the Promotion of Science, University of Amsterdam, Federal Ministry of Education and Research (Germany), Austrian Science Fund, Knut and Alice Wallenberg Foundation, Max Planck Society, National Science Centre (Poland), Centre National de la Recherche Scientifique (France), Commissariat à l'Ènergie Atomique et aux Ènergies Alternatives (France), Helmholtz Association, National Commission on Research Science and Technology (Namibia), University of Namibia, Federal Ministry of Education, Science and Research (Austria), Laboratoire Leprince-Ringuet (LLR), Centre National de la Recherche Scientifique (CNRS)-École polytechnique (X)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), Centre de Physique des Particules de Marseille (CPPM), Aix Marseille Université (AMU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Laboratoire d'Annecy de Physique des Particules (LAPP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, Laboratoire Univers et Théories (LUTH (UMR_8102)), Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Institut national des sciences de l'Univers (INSU - CNRS), Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE (UMR_7585)), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris Diderot - Paris 7 (UPD7)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Laboratoire Univers et Particules de Montpellier (LUPM), Université Montpellier 2 - Sciences et Techniques (UM2)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS), Centre d'Etudes Nucléaires de Bordeaux Gradignan (CENBG), Université Sciences et Technologies - Bordeaux 1-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), AstroParticule et Cosmologie (APC (UMR_7164)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP), Institut de Planétologie et d'Astrophysique de Grenoble (IPAG), Centre National d'Études Spatiales [Toulouse] (CNES)-Observatoire des Sciences de l'Univers de Grenoble (OSUG ), Institut national des sciences de l'Univers (INSU - CNRS)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE)-Université Grenoble Alpes (UGA)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE)-Université Grenoble Alpes (UGA), H.E.S.S., Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-École polytechnique (X)-Centre National de la Recherche Scientifique (CNRS), Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS), Université Sciences et Technologies - Bordeaux 1 (UB)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Institut national des sciences de l'Univers (INSU - CNRS)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE)-Université Grenoble Alpes (UGA)-Météo-France -Institut national des sciences de l'Univers (INSU - CNRS)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE)-Université Grenoble Alpes (UGA)-Météo-France, H.E.S.S. Collaboration, Faculty of Science, High Energy Astrophys. & Astropart. Phys (API, FNWI), Gravitation and Astroparticle Physics Amsterdam, and Centre National de la Recherche Scientifique (CNRS)-Université de Montpellier (UM)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Montpellier 2 - Sciences et Techniques (UM2)
Subjects: individual: η CarStars: Wolf-Rayet [Stars], Photon, stars: individual: η Car, Astrophysics::High Energy Astrophysical Phenomena, Flux, Cosmic ray, Astrophysics, 01 natural sciences, cosmic rays, 0103 physical sciences, individual: η Car [stars], High Energy Stereoscopic System, 010303 astronomy & astrophysics, Cosmic rays, Colliding-wind binary, Astroparticle physics, Physics, Spectral index, non-thermal [Radiation mechanisms], [SDU.ASTR]Sciences of the Universe [physics]/Astrophysics [astro-ph], general [Binaries], 010308 nuclear & particles physics, Astronomy and Astrophysics, radiation mechanisms: non-thermal, Wolf-Rayet [stars], binaries: general, 13. Climate action, Space and Planetary Science, [SDU]Sciences of the Universe [physics], astroparticle physics, ddc:520, HESS - Abteilung Hinton, stars: Wolf-Rayet, Astrophysics - High Energy Astrophysical Phenomena, [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph], Stars: individual: η CarStars: Wolf-Rayet, Noise (radio)
Abstract: Aims. Colliding wind binary systems have long been suspected to be high-energy (HE; 100 MeV < E < 100 GeV) {\gamma}-ray emitters. {\eta} Car is the most prominent member of this object class and is confirmed to emit phase-locked HE {\gamma} rays from hundreds of MeV to ~100 GeV energies. This work aims to search for and characterise the very-high-energy (VHE; E >100 GeV) {\gamma}-ray emission from {\eta} Car around the last periastron passage in 2014 with the ground-based High Energy Stereoscopic System (H.E.S.S.). Methods. The region around {\eta} Car was observed with H.E.S.S. between orbital phase p = 0.78 - 1.10, with a closer sampling at p {\approx} 0.95 and p {\approx} 1.10 (assuming a period of 2023 days). Optimised hardware settings as well as adjustments to the data reduction, reconstruction, and signal selection were needed to suppress and take into account the strong, extended, and inhomogeneous night sky background (NSB) in the {\eta} Car field of view. Tailored run-wise Monte-Carlo simulations (RWS) were required to accurately treat the additional noise from NSB photons in the instrument response functions. Results. H.E.S.S. detected VHE {\gamma}-ray emission from the direction of {\eta} Car shortly before and after the minimum in the X-ray light-curve close to periastron. Using the point spread function provided by RWS, the reconstructed signal is point-like and the spectrum is best described by a power law. The overall flux and spectral index in VHE {\gamma} rays agree within statistical and systematic errors before and after periastron. The {\gamma}-ray spectrum extends up to at least ~400 GeV. This implies a maximum magnetic field in a leptonic scenario in the emission region of 0.5 Gauss. No indication for phase-locked flux variations is detected in the H.E.S.S. data., Comment: 9 pages, 4 figures, 3 tables, in press with A&A
Published: 2020

13. A radiation transfer model for the Milky Way: I. Radiation fields and application to high-energy astrophysics★

Author: R. J. Tuffs, M. T. Rushton, Ruizhi Yang, Felix Aharonian, Giovanni Natale, and Cristina Popescu
Subjects: Physics, Galactic astronomy, Opacity, 010308 nuclear & particles physics, High-energy astronomy, Astrophysics::High Energy Astrophysical Phenomena, Milky Way, FOS: Physical sciences, Astronomy, Astronomy and Astrophysics, Cosmic ray, F500, Astrophysics::Cosmology and Extragalactic Astrophysics, Astrophysics, Astrophysics - Astrophysics of Galaxies, 01 natural sciences, Galaxy, Space and Planetary Science, Astrophysics of Galaxies (astro-ph.GA), 0103 physical sciences, Radiative transfer, 010303 astronomy & astrophysics, Astrophysics::Galaxy Astrophysics, Oort constants
Abstract: We present a solution for the ultraviolet (UV) - submillimeter (submm) interstellar radiation fields (ISRFs) of the Milky Way, derived from modelling COBE, IRAS and Planck maps of the all-sky emission in the near-, mid-, far-infrared and submm.The analysis uses the axisymmetric radiative transfer (RT) model that we have previously implemented to model the panchromatic spectral energy distributions (SEDs) of star forming galaxies in the nearby universe, but with a new methodology allowing for optimisation of the radial and vertical geometry of stellar emissivity and dust opacity, as deduced from the highly resolved emission seen from the vantage point of the Sun. As such, this is the first self-consistent model of the broad-band continuum emission from the Milky Way. In this paper, we present model predictions for the spatially integrated SED of the Milky Way as seen from the Sun, showing good agreement with the data, and give a detailed description of the solutions for the distribution of ISRFs, as well as their physical origin, throughout the volume of the galaxy. We explore how the spatial and spectral distribution of our new predictions for the ISRF in the Milky Way affects the amplitude and spectral distribution of the gamma-rays produced via Inverse Compton scattering for cosmic ray electrons situated at different positions in the galaxy, as well as the attenuation of the gamma-rays due to interactions of the gamma-ray photons with photons of the ISRF. We also compare and contrast our solutions for the ISRF with those incorporated in the GALPROP package used for modelling the high energy emission from cosmic rays in the Milky Way., 23 pages, accepted for publication in MNRAS
Published: 2017

14. H.E.S.S. and Suzaku observations of the Vela X pulsar wind nebula

Author: P. deWilt, J. King, C. Mariaud, J. Zorn, J. Dyks, Matteo Cerruti, Nachiketa Chakraborty, Jacek Niemiec, D. J. van der Walt, Florian Gaté, R. C. G. Chaves, E. O. Angüner, G. Lamanna, S. Nakashima, Olaf Reimer, H. Yoneda, Werner Hofmann, J. Lau, Michelle Tsirou, N. Shafi, Natalia Żywucka, M. de Naurois, Michael Punch, L. Rinchiuso, Michael Backes, Sami Caroff, Thomas Murach, D. A. Prokhorov, K. Kosack, Konrad Bernlöhr, M.-H. Grondin, G. Emery, Stefan Ohm, S. Saito, Axel Donath, A. W. Chen, F. Niederwanger, Markus Böttcher, M. Seglar-Arroyo, S. Pita, G. Pühlhofer, Krzysztof Katarzynski, Tim Holch, Ramin Marx, M. Panter, U. Katz, Jacco Vink, Catherine Boisson, A. Reimer, Marek Jamrozy, Ruizhi Yang, Stefano Gabici, Naomi Tsuji, Emmanuel Moulin, Pierre Brun, V. Marandon, I. Oya, M. Kraus, Helene Sol, I. Shilon, Sabrina Casanova, M. Büchele, F. Ait Benkhali, Anton Dmytriiev, Jean-Pierre Ernenwein, A. Fiasson, Manami Sasaki, L. Oakes, C. Perennes, S. Schwemmer, Andrea Santangelo, J. Bolmont, S. J. Fegan, A. Djannati-Ataï, R. D. Parsons, V. Poireau, Dieter Horns, D. Jankowsky, Johannes Veh, M. Tluczykont, F. Schüssler, A. Schulz, S. Bonnefoy, H. Abdalla, M. A. Kastendieck, T. Chand, G. Vasileiadis, Constantin Steppa, E. de Oña Wilhelmi, Isak Delberth Davids, M. Mohamed, E. Leser, Włodek Kluźniak, Roberta Zanin, Y. A. Gallant, Clemens Hoischen, A. A. Zdziarski, Nu. Komin, Iryna Lypova, Gianluca Giavitto, Heinrich J. Völk, Yvonne Becherini, P. T. O'Brien, Ullrich Schwanke, M. Renaud, B. van Soelen, B. Condon, Riaan Steenkamp, B. Khélifi, G. Hermann, Regis Terrier, Rachel Simoni, Carlo Romoli, Christoph Deil, B. Rudak, D. Gottschall, Anne Lemiere, Justine Devin, Mohanraj Senniappan, A. Carosi, K. Egberts, Masanori Arakawa, Pascal Vincent, H. Odaka, Frank M. Rieger, R. Blackwell, E. Ruiz-Velasco, Thomas Bylund, S. Raab, I. Jung-Richardt, Tadayuki Takahashi, A. S. Seyffert, Atreyee Sinha, Kirsty Feijen, C. van Eldik, Victor Doroshenko, Markus Holler, G. Heinzelmann, Felix Jankowsky, D. Berge, M. Füßling, N. Maxted, R. J. Tuffs, Felix Aharonian, G. Martí-Devesa, H. Prokoph, Jim Hinton, Dmitry Khangulyan, Alison Mitchell, S. Eschbach, Thomas Lohse, H. Iwasaki, L. Tibaldo, J.-P. Tavernet, Kleopas Shiningayamwe, F. Voisin, Reinhard Schlickeiser, S. Colafrancesco, S. Chandra, M. Capasso, Michal Ostrowski, V. Sahakian, J.-P. Lenain, Dmitriy Kostunin, L. Dirson, R. J. White, R. Rauth, Gilles Maurin, Zorawar Wadiasingh, Stefan Funk, Alicja Wierzcholska, Domenico Tiziani, D. Malyshev, Monica Barnard, Thomas Tavernier, B. Peyaud, Maria Haupt, Hester Schutte, L. O'c. Drury, A.M. Taylor, Rafal Moderski, Andreas Specovius, Christo Venter, C. Trichard, P. J. Meintjes, A. Zech, David Sánchez, A. Ziegler, Léa Jouvin, Marion Spir-Jacob, D. Huber, C. Arcaro, Gavin Rowell, M. Bryan, D. Zaborov, C. Moore, Dorit Glawion, Tomasz Bulik, M. Katsuragawa, A. Jacholkowska, Andreas Quirrenbach, Michael Zacharias, Joachim Hahn, P.-O. Petrucci, Stefan Klepser, Łukasz Stawarz, Gilles Henri, Q. Piel, Christian Stegmann, Stefan Wagner, Yasunobu Uchiyama, L. Mohrmann, C. van Rensburg, T. Vuillaume, J. F. Glicenstein, A. Priyana Noel, Francois Brun, J. Bregeon, Celine Armand, Ruben Lopez-Coto, M. Lemoine-Goumard, Gilles Fontaine, A. Marcowith, Hambeleleni Ndiyavala, Centre de Physique des Particules de Marseille (CPPM), Aix Marseille Université (AMU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Laboratoire d'Annecy de Physique des Particules (LAPP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), Laboratoire Univers et Théories (LUTH (UMR_8102)), Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Diderot - Paris 7 (UPD7), Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE (UMR_7585)), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris Diderot - Paris 7 (UPD7)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Laboratoire Univers et Particules de Montpellier (LUPM), Centre National de la Recherche Scientifique (CNRS)-Université de Montpellier (UM)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Montpellier 2 - Sciences et Techniques (UM2), Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, Centre d'Etudes Nucléaires de Bordeaux Gradignan (CENBG), Université Sciences et Technologies - Bordeaux 1-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), AstroParticule et Cosmologie (APC (UMR_7164)), Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), Laboratoire Leprince-Ringuet (LLR), Centre National de la Recherche Scientifique (CNRS)-École polytechnique (X)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), Institut de Planétologie et d'Astrophysique de Grenoble (IPAG), Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Observatoire des Sciences de l'Univers de Grenoble (OSUG ), Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut national des sciences de l'Univers (INSU - CNRS)-Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes [2016-2019] (UGA [2016-2019])-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes [2016-2019] (UGA [2016-2019]), Institut de recherche en astrophysique et planétologie (IRAP), Institut national des sciences de l'Univers (INSU - CNRS)-Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Observatoire Midi-Pyrénées (OMP), Météo France-Centre National d'Études Spatiales [Toulouse] (CNES)-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Météo France-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Centre National de la Recherche Scientifique (CNRS), H.E.S.S. Collaboration, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS), Université Sciences et Technologies - Bordeaux 1 (UB)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Observatoire de Paris, Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-École polytechnique (X)-Centre National de la Recherche Scientifique (CNRS), Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire Midi-Pyrénées (OMP), Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Centre National de la Recherche Scientifique (CNRS), API Other Research (FNWI), Faculty of Science, High Energy Astrophys. & Astropart. Phys (API, FNWI), 26598973 - Abdalla, Hassan, 30588766 - Arcaro, Cornelia, 28644743 - Backes, M., 20574266 - Barnard, Monica, 24420530 - Böttcher, Markus, 31125417 - Chandra, Sunil, 26403366 - Ndiyavala, Hambeleleni, 22799133 - Schutte, Hester M., 20126999 - Seyffert, Albertus Stefanus, 21106266 - Van Rensburg, Carlo, 12006653 - Venter, Christo, 26594080 - Wadiasingh, Zorawar, 29092086 - Zacharias, Michael, 30366755 - Chand, T.B., 34208968 - Zywucka-Hejzner, Natalia, 10060499 - Van der Walt, Diederick Johannes, 28644743 - Backes, Michael, 30366755 - Chand, Tej B., Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Aix Marseille Université (AMU), Laboratoire d'Annecy de Physique des Particules (LAPP/Laboratoire d'Annecy-le-Vieux de Physique des Particules), PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Université de Montpellier (UM)-Université Montpellier 2 - Sciences et Techniques (UM2)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7), Centre National d'Études Spatiales [Toulouse] (CNES)-Université Grenoble Alpes (UGA)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire des Sciences de l'Univers de Grenoble (OSUG), Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP)-Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)-Université Joseph Fourier - Grenoble 1 (UJF)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP)-Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)-Université Joseph Fourier - Grenoble 1 (UJF)-Centre National de la Recherche Scientifique (CNRS), Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS), Université Montpellier 2 - Sciences et Techniques (UM2)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS), Centre National de la Recherche Scientifique (CNRS)-Université Paris Diderot - Paris 7 (UPD7)-Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Institut national des sciences de l'Univers (INSU - CNRS), and PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)
Subjects: Camps magnètics, Astrophysics::High Energy Astrophysical Phenomena, Synchrotron radiation, FOS: Physical sciences, Cosmic ray, Astrophysics, Vela, gamma rays: stars, 01 natural sciences, 7. Clean energy, Pulsar wind nebula, outflows, Relativistic particle, Raigs gamma, Pulsar, 0103 physical sciences, ddc:530, winds, outflows [stars], 010303 astronomy & astrophysics, individual: PSR B0833-45 [pulsars], Astrophysics::Galaxy Astrophysics, acceleration of particles, Physics, High Energy Astrophysical Phenomena (astro-ph.HE), 010308 nuclear & particles physics, Computer Science::Information Retrieval, Gamma rays, Institut für Physik und Astronomie, Astronomy and Astrophysics, radiation mechanisms: non-thermal, non-thermal [radiation mechanisms], stars [gamma rays], pulsars: individual: PSR B0833-45, Crab Nebula, 13. Climate action, Space and Planetary Science, stars: winds, Magnetic fields, ddc:520, Astrophysics - High Energy Astrophysical Phenomena, [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph], Heliosphere
Abstract: Pulsar Wind Nebulae (PWNe) represent the most prominent population of Galactic very-high-energy gamma-ray sources and are thought to be an efficient source of leptonic cosmic rays. Vela X is a nearby middle-aged PWN, which shows bright X-ray and TeV gamma-ray emission toward an elongated structure called the cocoon. Since TeV emission is likely inverse-Compton emission of electrons while X-ray emission is synchrotron radiation of the same electrons, we aim to derive the properties of the relativistic particles and of magnetic fields with minimal modelling. We use data from the Suzaku XIS to derive the spectra from three compact regions in Vela X covering distances from 0.3 pc to 4 pc from the pulsar along the cocoon. We obtain gamma-ray spectra of the same regions from H.E.S.S. observations and fit a radiative model to the multi-wavelength spectra. The TeV electron spectra and magnetic field strengths are consistent within the uncertainties for the three regions, with energy densities of the order $10^{-12}\rm\,erg\,cm^{-3}$. The data indicate the presence of a cutoff in the electron spectrum at energies of $\sim$100 TeV and a magnetic field strength of $\sim$$6\,\rm\mu G$. Constraints on the presence of turbulent magnetic fields are weak. The pressure of TeV electrons and magnetic fields in the cocoon is dynamically negligible, requiring the presence of another dominant pressure component. Sub-TeV electrons cannot account completely for the missing pressure, that may be provided either by relativistic ions or from mixing of the ejecta with the pulsar wind. The electron spectra are consistent with expectations from transport scenarios dominated either by advection via the reverse shock or by diffusion. Constraints on turbulent magnetic fields and the shape of the electron cutoff can be improved by spectral measurements in the energy range $\gtrsim 10\rm\,keV$. (abridged), Comment: Accepted for publication in A&A
Published: 2019

15. Combined Dark Matter searches towards dwarf spheroidal galaxies with Fermi-LAT, HAWC, HESS, MAGIC and VERITAS

Author: Dirk Lennarz, Luis Villaseñor, Gernot Maier, Anne Lemiere, Daniel Rosa-Gonzalez, Samuel Timothy Spencer, Wystan Benbow, Victor Barbosa Martins, Raul Prado, Arache Djannati-Ataï, Regis Terrier, Dan Parsons, Francisco Salesa Greus, Dmitriy Kostunin, Joshua Wood, Carlo Romoli, César Alvarez, Carlo van Rensburg, Massimo Capasso, Sajan Kumar, P. Reichherzer, Anton Dmytriiev, Stefan Ohm, Chiara Giuri, Brian van Soelen, G. Peron, Christian Stegmann, Emma Ona-Wilhelmi, S. J. Fegan, Alison Peisker, Hawc, Garret Cotter, Gary Gillanders, Zhiqiu Huang, Krzysztof Katarzynski, Filiberto Hueyotl-Zahuantitla, Ian Herzog, D. A. Prokhorov, K. Kosack, Halim Ashkar, Fabian Leuschner, Manami Sasaki, Michael Schneider, Joe Lundeen, Markus Boettcher, Brian Humensky, Isak Delberth Davids, A. Fiasson, Stefan Wagner, Andreas Zech, Yasunobu Uchiyama, David Kieda, Michael DuVernois, Albert Seyffert, Gianluca Giavitto, Qi Feng, Andreas Specovius, Andrew James Smith, Catherine Boisson, L. Mohrmann, Roberta Zanin, Marek Jamrozy, Tomás Capistrán Rojas, K. Nakashima, Jamie Holder, Hao Zhou, Thomas Lohse, Mireia Nievas-Rosillo, Samuel Zouari, Ira Jung, Sebastian Panny, K. Bernloehr, Deivid Ribeiro, Andrea Santangelo, Kristi Engel, Josefa Becerra Gonzalez, Thomas Tavernier, Ke Fang, Rishi Babu, Yu Wun Wong, Gerd J. Kunde, Jean-Pierre Ernenwein, Henrike Fleischhack, P. T. O'Brien, Clemens Hoischen, A. A. Zdziarski, Kelly Malone, Helene Sol, Markus Holler, Manel Errando, Atreyee Sinha, Francois Brun, Heinrich J. Völk, Sumari Hattingh, Kirsten Tollefson, Johann van der Walt, Q. Remy, Felix Jankowsky, Samridha Kunwar, Johannes Veh, M. Fuessling, P. Vincent, Harm Schoorlemmer, Stefano Gabici, Miguel Mostafa, Tyler Williamson, Jacek Niemiec, Michal Ostrowski, J.-P. Lenain, Israel Martinez Castellanos, Felix Aharonian, Tadayuki Takahashi, Gerd Puehlhofer, Lei Sun, Jesús Martínez-Castro, Pooja Surajbali, Andrés Sandoval, Hugh Spackman, Takaaki Tanaka, Segev BenZvi, Alexandre Marcowith, Felix Werner, Olaf Reimer, Vincent Marandon, Alberto Carramiñana, S. Steinmassl, Mary Kertzman, Hannes Thiersen, Victor Doroshenko, Michael Backes, Hannah Jhee, G. Lamanna, Marcos Santander, Angel Noel, W. Jin, Gus Sinnis, B. Rudak, Alasdair E. Gent, Kathrin Egberts, Jonathan Mackey, Fernando Ureña-Mena, Paolo Marchegiani, Sonal Ramesh Patel, Laenita Lorraine Oberholzer, Tim Holch, Sami Caroff, Heiko Salzmann, E. Kasai, Alison Mitchell, Gregory Foote, Nukri Komin, Tom Armstrong, Michelle Hui, Ruo-Yu Shang, Binita Hona, Raquel Diaz Hernandez, Vardan Baghmanyan, Celine Armand, Alejandro Lara, David Berley, Hector Rueda Ricarte, Nissim Illich Fraija, Naomi Tsuji, Gaurang Yodh, Stefan Funk, Alicja Wierzcholska, Conor McGrath, Gerard Fontaine, C. Moore, Vikas Joshi, Dorit Glawion, T. Chand, M. U. Nisa, M.-H. Grondin, Arnaud Mares, David Sanchez, Ernesto Belmont-Moreno, Thomas Murach, Eucario Gonzalo Pérez Pérez, Paul Reynolds, Ignacio Taboada, Xiaojie Wang, Lucy Fortson, Martin Tluczykont, Thomas Brian Humensky, Juan de Dios Álvarez Romero, Robert Ellsworth, Hester Schutte, Justine Devin, Constantin Steppa, Richard White, Rachel Simoni, Karen S. Caballero Mora, Elisa Pueschel, Jason Fan, Tomasz Bulik, Lukas Nellen, Malgorzata Curlo, Lente Dreyer, J. Patrick Harding, Gilles Maurin, Humberto Martínez Huerta, Riaan Steenkamp, Arnulfo Zepeda, Johannes Schaefer, Werner Hofmann, Jim Hinton, Michael Punch, S. Sailer, Dmitry Khangulyan, Sergio Hernández Cadena, Charles Thorpe-Morgan, M. Hörbe, Stephan O'Brien, Ramin Marx, John L. Quinn, J. F. Glicenstein, V. Sahakian, M. Panter, Mora Durocher, U. Katz, Jacco Vink, Umberto Cotti, Tobias Kleiner, Petra Hüntemeyer, David Huber, Ullrich Schwanke, Diego Garcia Aguilar, Vladimir Vassiliev, Oscar Martinez, J. Bolmont, Cederik León de León, Brian Fick, Laura Olivera-Nieto, A. Yusafzai, David Hanna, James Buckley, Lorenzo Diaz, Yves Gallant, Guillermo García-Torales, Arun Babu Kollamparambil, James Ryan, Kayla Farrell, Sabrina Casanova, Bruno Khelifi, María Catalina Espinoza Hernández, Jorge Antonio Morales Soto, Mateo Fernandez Alonso, Matthew Lundy, Faical Ait-Benkhali, Jean Damascene Mbarubucyeye, Wlodek Kluzniak, Jorge Luis Flores, Ibrahim Torres, Jordan A. Goodman, Anita Reimer, Adam Otte, Eduardo Moreno Barbosa, M. J. Lang, Frank M. Rieger, Elijah Willox, Colin Adams, Pedro Miranda-Romagnoli, Louis Du Plessis, Andrea Albert, Orel Gueta, Anna Barnacka, Brenda Dingus, Gašper Kukec Mezek, Hazal Goksu, Jorge Cotzomi, William H. Lee, Ruben Alfaro, Glenn Sembroski, David A. Williams, Eduardo de la Fuente, Anu Kundu, Dezhi Huang, Brian Reville, Connor Duffy, Edna Ruiz-Velasco, Anna Luashvili, Alisha Chromey, Konstantin Pfrang, L. Giunti, Philip Kaaret, Maria Magdalena González, Olivier Hervet, Hermes Leon Vargas, Sébastien Le Stum, Amanda Weinstein, Aryeh Brill, James Davies, Ken Ragan, Santiago Pita, Juan Carlos Arteaga Velazquez, Jason Lee, Sabrina Einecke, Lukasz Stawarz, Iryna Lypova, Julie McEnery, Sara Coutiño de Leon, Dieter Horns, R. J. Tuffs, Christo Venter, Meghan Tanner, Monica Barnard, B. Bi, Yvonne Becherini, Colas Rivière, Iftach Sadeh, Lott Frans, Mischa Breuhaus, Pauline Chambery, C. Levy, Jose Luis García-Luna, Michelle Tsirou, D. Malyshev, Ramiro Torres Escobedo, Hassan Abdalla, Hambeleleni Ndiyavala, Chang Dong Rho, Jhilik Majumdar, Martin Pohl, Mathieu Bony, Oguzhan Anguener, Hend Yassin, Gwenael Giacinti, Manuel Meyer, Arturo Iriarte, John Matthews, Kirsty Feijen, Ahron S. Barber, Floriane Cangemi, Fernando Garfias, R. A. Ong, Thomas Weisgarber, Thomas Bylund, Gilgamesh Luis-Raya, Rowan Batzofin, Mathieu Naurois, Jacques Muller, Avery Archer, Andreas Quirrenbach, Anushka Udara Abeysekara, José Serna-Franco, Hugo Alberto Ayala Solares, Davit Zargaryan, Rubén López-Coto, Reshmi Mukherjee, Andreas Zmija, Guillem Marti'i-Devesa, Sameer Patel, M. Lemoine-Goumard, Roberto Noriega-Papaqui, Gaëtan Fichet de Clairfontaine, Axel Donath, A. W. Chen, Michael Kreter, Yunior Pérez Araujo, Anna Lia Longinotti, Michael Zacharias, Kleopas Shiningayamwe, Robert Brose, Fabian Schüssler, Emmanuel Moulin, Patrick Moriarty, Edna Ruiz Velasco, Michael Newbold, Oscar Chaparro-Amaro, J. T. Linnemann, Lenka Tomankova, Jodi Christiansen, Jaqueline Catalano, Ian James Watson, R. Konno, Andrew Taylor, C. Arcaro, Jason John Watson, Gavin Rowell, Daniel Omar Avila Rojas, Denys Malyshev, Emmet Roache, Rhiannon Turner, Chad Brisbois, Mohanraj Senniappan, José Roberto Angeles Camacho, Daniel Nieto, V. Poireau, Jimmy N.S. Shapopi, G. Vasileiadis, Hannah Dalgleish, donggeun tak, Juan Carlos Díaz Vélez, Armelle Jardin-Blicq, N. Zywucka, Abe Falcone, Nicola Omodei, Matthieu Renaud, German Hermann, Paul Morris, Maria Haupt, Stefan Klepser, Christopher van Eldik, Rafal Moderski, Alessandro Montanari, Amy Furniss, Sylvia Zhu, P. J. Meintjes, David Berge, Jose Andres Garcia-Gonzalez, Humberto Ibarguen Salazar, Wayne Robert Springer, Heike Prokoph, Marion Spir-Jacob, Amid Nayerhoda, Laboratoire d'Annecy de Physique des Particules (LAPP/Laboratoire d'Annecy-le-Vieux de Physique des Particules), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), Commissariat à l'énergie atomique et aux énergies alternatives (CEA), Laboratoire d'Annecy de Physique des Particules (LAPP), Fermi-LAT, HAWC, H.E.S.S., MAGIC, and VERITAS
Subjects: Cherenkov detector, air, Cherenkov counter: water, Physics beyond the Standard Model, Astrophysics::High Energy Astrophysical Phenomena, Dark matter, satellite, FOS: Physical sciences, IACT, Astrophysics, 01 natural sciences, GLAST, dark matter, law.invention, law, HESS, 0103 physical sciences, 010306 general physics, Cherenkov radiation, Physics, High Energy Astrophysical Phenomena (astro-ph.HE), Annihilation, 010308 nuclear & particles physics, background, new physics, imaging, sensitivity, MAGIC, Galaxy, Automatic Keywords, annihilation, VERITAS, galaxy, Astrophysics - High Energy Astrophysical Phenomena, [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph], statistical, HAWC, Fermi Gamma-ray Space Telescope
Abstract: 36th International Cosmic Ray Conference, ICRC2019, Madison, USA, 24 Jul 2019 - 1 Aug 2019; 9 pages (2019)., The search for Dark Matter (DM) has great potential to reveal physics beyond the Standard Model. As such, searches for evidence of DM particles are being carried out using a wide range of techniques, such as direct searches for DM particles, searches for DM produced with colliders, and indirect searches for the Standard Model annihilation products of DM. Dwarf spheroidal galaxies (dSphs) are excellent targets for indirect Dark Matter searches due to their relatively high DM content and negligible expected astrophysical background. A collaboration was formed to maximise the sensitivity of DM searches towards dSphs by combining for the first time dSph data from three imaging air Cherenkov telescope (IACT) arrays: HESS, MAGIC, and VERITAS; the Fermi-LAT satellite, and the water Cherenkov detector HAWC. Due to the diverse nature of the instruments involved, each experiment will analyse their individual datasets from multiple targets and then the results will be combined at the likelihood level. For consistency of the likelihoods across the five experiments, a common approach is used to treat the astrophysical factor (J-Factor) for each target and an agreed set of annihilation channels are considered. We also agree on a common statistical approach and treatment of instrumental systematic uncertainties. The results are presented in terms of constraints on the velocity-weighted cross section for DM self-annihilation as a function of the DM particle mass.
Published: 2019
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16. Publisher Correction: Resolving acceleration to very high energies along the jet of Centaurus A

Author: T. Bulik, Stefan Klepser, Axel Donath, A. W. Chen, Seb. Funk, Nukri Komin, Matteo Cerruti, D. Berge, F. Schüssler, Florian Gaté, D. Gottschall, Anne Lemiere, Iryna Lypova, Yvonne Becherini, Kleopas Shiningayamwe, S. Raab, Kirsty Feijen, Michael Punch, E. O. Angüner, Werner Hofmann, Riaan Steenkamp, Gilles Fontaine, H. Iwasaki, M. Seglar-Arroyo, A. Carosi, K. Egberts, S. Nakashima, D. Khangulyan, W. Kluźniak, Michael Backes, Rachel Simoni, Thomas Lohse, D.A. Prokhorov, M. Kraus, D. Jankowsky, A. S. Seyffert, Francois Brun, Masanori Arakawa, R. Blackwell, Ramin Marx, M. Panter, U. Katz, Markus Böttcher, Thomas Bylund, H. Yoneda, L. B. Oakes, Tim Holch, C. Mariaud, Dieter Horns, Jim Hinton, M. Füßling, Jacques Muller, J. Bregeon, Gavin Rowell, Clemens Hoischen, A. A. Zdziarski, F. Ait Benkhali, Anton Dmytriiev, Naomi Tsuji, S. Schwemmer, J. Zorn, M. Bryan, Celine Armand, M. Büchele, H. M. Schutte, M. Lemoine-Goumard, C. Perennes, Edna Ruiz-Velasco, G. Martí-Devesa, Gilles Henri, Q. Piel, Dmitriy Kostunin, Stefan Ohm, Andrea Santangelo, M.-H. Grondin, G. Emery, G. Lamanna, Jacek Niemiec, R. Rauth, D. J. van der Walt, Zorawar Wadiasingh, Olaf Reimer, J. Lau, P. T. O'Brien, M. Katsuragawa, Arnaud Mares, S. J. Fegan, A. Djannati-Ataï, S. Pita, Stefano Gabici, Thomas Tavernier, Monica Barnard, C. Boisson, J. Dyks, G. Heinzelmann, P.-O. Petrucci, R. D. Parsons, Thomas Murach, I. Jung-Richardt, Sami Caroff, J. Vink, Gianluca Giavitto, J.-P. Lenain, Regis Terrier, Krzysztof Katarzynski, M. Capasso, T. Chand, V. Barbosa Martins, Jonathan Mackey, Markus Holler, Q. Remy, E. Leser, Andreas Quirrenbach, Felix Jankowsky, Armelle Jardin-Blicq, B. Peyaud, Shun Saito, M. Ostrowski, N. Shafi, Pierre Brun, Natalia Żywucka, Felix Aharonian, U. Schwanke, B. Khélifi, G. Hermann, J. Bolmont, Alicja Wierzcholska, Jean-Pierre Ernenwein, C. Arcaro, R. White, Atreyee Sinha, V. Marandon, H. Odaka, C. van Eldik, Christian Stegmann, Domenico Tiziani, Alison Mitchell, S. Eschbach, Dorit Glawion, Johannes Veh, M. de Naurois, E. Moulin, Reinhard Schlickeiser, L. Mohrmann, C. van Rensburg, P. deWilt, M. Tluczykont, J. King, Misao Sasaki, S. Chandra, V. Sahakian, Y. A. Gallant, T. Vuillaume, Jhilik Majumdar, Justine Devin, K. Kosack, Pascal Vincent, Joachim Hahn, M. Zacharias, Konrad Bernlöhr, L. Dirson, G. Pühlhofer, Michelle Tsirou, R. J. Tuffs, Ł. Stawarz, Ruizhi Yang, H. Prokoph, Christoph Deil, J. F. Glicenstein, A. Priyana Noel, L. Rinchiuso, D. Huber, A. Reimer, Mohanraj Senniappan, Mischa Breuhaus, S. Bonnefoy, Constantin Steppa, A. Schulz, I. Oya, E. de Oña Wilhelmi, Isak Delberth Davids, A. Fiasson, V. Poireau, Roberta Zanin, H. Abdalla, M. A. Kastendieck, S. J. Wagner, G. Vasileiadis, M. Mohamed, Marek Jamrozy, Tadayuki Takahashi, Victor Doroshenko, D. Malyshev, Helene Sol, Christo Venter, R. Moderski, A. Zech, David Sánchez, Andreas Specovius, Christopher J. Moore, Y. Uchiyama, L. O'c. Drury, A.M. Taylor, A. Marcowith, Hambeleleni Ndiyavala, Heinrich J. Völk, M. Renaud, R. Adam, Gilles Maurin, Halim Ashkar, B. van Soelen, B. Rudak, Frank M. Rieger, F. Voisin, C. Levy, S. Colafrancesco, F. Niederwanger, Sabrina Casanova, M. Curyło, C. Trichard, P. J. Meintjes, A. Ziegler, Maria Haupt, C. Romoli, and Marion Spir-Jacob
Subjects: Physics, Acceleration, Jet (fluid), Multidisciplinary, Centaurus A, Astrophysics
Published: 2020

17. Population study of Galactic supernova remnants at very high γ-ray energies with H.E.S.S

Author: Christo Venter, H. Iwasaki, Gilles Maurin, Q. Piel, J. F. Glicenstein, J. Becker Tjus, A. Zech, M. Büchele, Julien Lefaucheur, Nachiketa Chakraborty, R. Liu, C. Mariaud, L. O'c. Drury, A.M. Taylor, C. Perennes, T. Garrigoux, Riaan Steenkamp, Ruben Lopez-Coto, Pierre Brun, M. Lemoine-Goumard, A. Wörnlein, P.-O. Petrucci, H. Ndiyavala, G. Lamanna, S. J. Fegan, A. Djannati-Ataï, N. W. Pekeur, P. Wagner, Alison Mitchell, Dieter Horns, Jean-Pierre Ernenwein, Zorawar Wadiasingh, B. Condon, I. Shilon, M. Seglar-Arroyo, Jan Conrad, Marco Padovani, Clemens Hoischen, A. A. Zdziarski, Frank M. Rieger, Johannes Veh, D. Gottschall, D. A. Sanchez, J. Hawkes, Anne Lemiere, Gavin Rowell, M. Bryan, R. C. G. Chaves, E. O. Angüner, Reinhard Schlickeiser, D. Zaborov, D. Jankowsky, Monica Barnard, A. S. Seyffert, Axel Donath, R. de los Reyes, A. W. Chen, M. Tluczykont, D. Fernandez, V. Poireau, Cameron B Rulten, C. Romoli, K. Morå, F. Gaté, Felix Spanier, I. Jung-Richardt, Manuel Meyer, H. Abdalla, Christian Stegmann, I. Oya, Stefan Wagner, Yasunobu Uchiyama, D. Wouters, M. A. Kastendieck, G. Vasileiadis, Nu. Komin, Jim Hinton, Y. A. Gallant, Fabian Schüssler, Matteo Cerruti, Stefan Ohm, Markus Holler, Felix Jankowsky, J. Decock, M. Mayer, S. Pita, Dmitry Khangulyan, Dorit Glawion, E. Moulin, Tomasz Bulik, S. Nakashima, J. Zorn, Robert Wagner, Thomas Lohse, L. Mohrmann, Felix Aharonian, L. Dirson, C. Farnier, Ramin Marx, E. Leser, M. Panter, U. Katz, Stefano Gabici, J. Dyks, C. van Rensburg, Werner Hofmann, G. Emery, Samar Safi-Harb, Thomas Vuillaume, B. Khélifi, S. Saito, Justine Devin, M. Lorentz, S. Bonnefoy, Constantin Steppa, M. Füßling, S. Eschbach, Jacek Niemiec, G. Hermann, Regis Terrier, Stefan Klepser, A. Balzer, Heinrich J. Völk, M. Mohamed, Olaf Reimer, P. P. Krüger, F. Voisin, D. Klochkov, Alexandre Marcowith, D.A. Prokhorov, M. Renaud, F. Zefi, D. Kerszberg, Rachel Simoni, Helen Poon, M. Jingo, R. D. Parsons, D. J. van der Walt, L. Oakes, J. Bolmont, I. Sushch, A. Ivascenko, R. Blackwell, S. Colafrancesco, Michael Backes, H. Prokoph, Masanori Arakawa, Gianluca Giavitto, V. Marandon, K. Dutson, Thomas Murach, Joachim Hahn, J. Lau, M. Settimo, Andreas Quirrenbach, Sami Caroff, Włodek Kluźniak, M. Capasso, S. Krakau, V. Sahakian, P. Bordas, Michael Zacharias, F. Niederwanger, J. P. Lees, H. Odaka, Tim Holch, S. Raab, A. Abramowski, G. Heinzelmann, N. Maxted, Krzysztof Katarzynski, A. Jacholkowska, Naomi Tsuji, Tanya Edwards, K. Kosack, Konrad Bernlöhr, Jacco Vink, Catherine Boisson, L. Tibaldo, D. Berge, Christoph Deil, Sabrina Casanova, Gerard Fontaine, G. Pelletier, B. Peyaud, Ullrich Schwanke, G. Pühlhofer, Johan Bregeon, J.-P. Tavernet, Kleopas Shiningayamwe, R. J. White, A. Reimer, A. Viana, Domenico Tiziani, D. Malyshev, Łukasz Stawarz, S. Bernhard, B. van Soelen, Michal Ostrowski, B. Rudak, J.-P. Lenain, F. Ait Benkhali, P. T. O'Brien, M. V. Fernandes, Manami Sasaki, S. Schwemmer, Andrea Santangelo, Gilles Henri, C. van Eldik, Stefan Funk, Alicja Wierzcholska, Marek Jamrozy, Helene Sol, B. Giebels, R. J. Tuffs, L. Jouvin, Iryna Lypova, Yvonne Becherini, K. Egberts, J. Chevalier, R. Rauth, Thomas Tavernier, N. Shafi, Natalia Żywucka, M. de Naurois, Ruizhi Yang, Tadayuki Takahashi, A. Schulz, Isak Delberth Davids, A. Fiasson, Roberta Zanin, P. Willmann, C. Trichard, P. J. Meintjes, A. Ziegler, H. Laffon, M. Arrieta, P. deWilt, J. King, Marion Spir-Jacob, Maria Haupt, Michelle Tsirou, L. Rinchiuso, Rafal Moderski, A. Carosi, Francois Brun, P. Vincent, M.-H. Grondin, Markus Böttcher, M. Katsuragawa, Pierre-Henri Aubert, M. Kraus, Michael Punch, Laboratoire Univers et Théories ( LUTH ), Institut national des sciences de l'Univers ( INSU - CNRS ) -Observatoire de Paris-Université Paris Diderot - Paris 7 ( UPD7 ) -Centre National de la Recherche Scientifique ( CNRS ), Laboratoire d'Annecy de Physique des Particules ( LAPP/Laboratoire d'Annecy-le-Vieux de Physique des Particules ), Institut National de Physique Nucléaire et de Physique des Particules du CNRS ( IN2P3 ) -Université Savoie Mont Blanc ( USMB [Université de Savoie] [Université de Chambéry] ) -Centre National de la Recherche Scientifique ( CNRS ), Laboratoire de Physique Nucléaire et de Hautes Énergies ( LPNHE ), Université Pierre et Marie Curie - Paris 6 ( UPMC ) -Institut National de Physique Nucléaire et de Physique des Particules du CNRS ( IN2P3 ) -Université Paris Diderot - Paris 7 ( UPD7 ) -Centre National de la Recherche Scientifique ( CNRS ), Laboratoire Univers et Particules de Montpellier ( LUPM ), Centre National de la Recherche Scientifique ( CNRS ) -Institut National de Physique Nucléaire et de Physique des Particules du CNRS ( IN2P3 ) -Université Montpellier 2 - Sciences et Techniques ( UM2 ) -Université de Montpellier ( UM ), Centre d'Etudes Nucléaires de Bordeaux Gradignan ( CENBG ), Université Sciences et Technologies - Bordeaux 1-Institut National de Physique Nucléaire et de Physique des Particules du CNRS ( IN2P3 ) -Centre National de la Recherche Scientifique ( CNRS ), Institut de Recherches sur les lois Fondamentales de l'Univers ( IRFU ), Commissariat à l'énergie atomique et aux énergies alternatives ( CEA ) -Université Paris-Saclay, Laboratoire Leprince-Ringuet ( LLR ), Institut National de Physique Nucléaire et de Physique des Particules du CNRS ( IN2P3 ) -École polytechnique ( X ) -Centre National de la Recherche Scientifique ( CNRS ), AstroParticule et Cosmologie ( APC - UMR 7164 ), Centre National de la Recherche Scientifique ( CNRS ) -Institut National de Physique Nucléaire et de Physique des Particules du CNRS ( IN2P3 ) -Observatoire de Paris-Université Paris Diderot - Paris 7 ( UPD7 ) -Commissariat à l'énergie atomique et aux énergies alternatives ( CEA ), Centre de Physique des Particules de Marseille ( CPPM ), Centre National de la Recherche Scientifique ( CNRS ) -Institut National de Physique Nucléaire et de Physique des Particules du CNRS ( IN2P3 ) -Aix Marseille Université ( AMU ), Institut de Planétologie et d'Astrophysique de Grenoble ( IPAG ), Observatoire des Sciences de l'Univers de Grenoble ( OSUG ), Université Joseph Fourier - Grenoble 1 ( UJF ) -Institut national des sciences de l'Univers ( INSU - CNRS ) -Centre National de la Recherche Scientifique ( CNRS ) -Université Grenoble Alpes ( UGA ) -Université Joseph Fourier - Grenoble 1 ( UJF ) -Institut national des sciences de l'Univers ( INSU - CNRS ) -Centre National de la Recherche Scientifique ( CNRS ) -Université Grenoble Alpes ( UGA ) -Centre National de la Recherche Scientifique ( CNRS ), HESS, Laboratoire Univers et Théories (LUTH (UMR_8102)), Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Laboratoire d'Annecy de Physique des Particules (LAPP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE (UMR_7585)), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Laboratoire Univers et Particules de Montpellier (LUPM), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS), Centre d'Etudes Nucléaires de Bordeaux Gradignan (CENBG), Université Sciences et Technologies - Bordeaux 1 (UB)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, Laboratoire Leprince-Ringuet (LLR), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-École polytechnique (X)-Centre National de la Recherche Scientifique (CNRS), AstroParticule et Cosmologie (APC (UMR_7164)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité), Centre de Physique des Particules de Marseille (CPPM), Aix Marseille Université (AMU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Institut de Planétologie et d'Astrophysique de Grenoble (IPAG), Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Observatoire des Sciences de l'Univers de Grenoble (OSUG ), Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut national des sciences de l'Univers (INSU - CNRS)-Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes [2016-2019] (UGA [2016-2019])-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes [2016-2019] (UGA [2016-2019]), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Diderot - Paris 7 (UPD7), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP), Université Montpellier 2 - Sciences et Techniques (UM2)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS), Université Sciences et Technologies - Bordeaux 1-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Centre National de la Recherche Scientifique (CNRS)-École polytechnique (X)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP), Centre National d'Études Spatiales [Toulouse] (CNES)-Observatoire des Sciences de l'Univers de Grenoble (OSUG ), Institut national des sciences de l'Univers (INSU - CNRS)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE)-Université Grenoble Alpes (UGA)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE)-Université Grenoble Alpes (UGA), PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Laboratoire d'Annecy de Physique des Particules (LAPP/Laboratoire d'Annecy-le-Vieux de Physique des Particules), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris Diderot - Paris 7 (UPD7)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Université de Montpellier (UM)-Université Montpellier 2 - Sciences et Techniques (UM2)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Aix Marseille Université (AMU), Centre National d'Études Spatiales [Toulouse] (CNES)-Université Grenoble Alpes (UGA)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire des Sciences de l'Univers de Grenoble (OSUG), Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP)-Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)-Université Joseph Fourier - Grenoble 1 (UJF)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP)-Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)-Université Joseph Fourier - Grenoble 1 (UJF)-Centre National de la Recherche Scientifique (CNRS), Centre National de la Recherche Scientifique (CNRS)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Centre National de la Recherche Scientifique (CNRS)-Université de Montpellier (UM)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Montpellier 2 - Sciences et Techniques (UM2), Faculty of Science, High Energy Astrophys. & Astropart. Phys (API, FNWI), and API Other Research (FNWI)
Subjects: electron, Milky Way, [ PHYS.ASTR ] Physics [physics]/Astrophysics [astro-ph], Astrophysics::High Energy Astrophysical Phenomena, Hochenergie-Astrophysik Theorie - Abteilung Hofmann, Infrarot-Astrophysik - Abteilung Hofmann, Cosmic ray, magnetic field, Astrophysics, Astrophysics::Cosmology and Extragalactic Astrophysics, Compact star, 7. Clean energy, 01 natural sciences, Luminosity, HESS, 0103 physical sciences, supernova, ddc:530, luminosity, flux: upper limit, cosmic radiation: acceleration, 010303 astronomy & astrophysics, HESS - Abteilung Hofmann, Astrophysics::Galaxy Astrophysics, ISM: supernova remnants, Astroparticle physics, Physics, radio wave, density, energy: high, cosmic radiation: spectrum, 010308 nuclear & particles physics, supernova remnants [ISM], Molecular cloud, shell model, Institut für Physik und Astronomie, Astronomy and Astrophysics, gamma rays: general, Galactic plane, Supernova, gamma ray: VHE, Space and Planetary Science, cosmic radiation: galaxy, ddc:520, Astrophysics - High Energy Astrophysical Phenomena, [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph], general [gamma rays]
Abstract: 著者人数: H.E.S.S. Collaboration 253名 (所属. 宇宙航空研究開発機構宇宙科学研究所(JAXA)(ISAS): 桂川, 美穂; 中島, 真也; 小高, 裕和; 高橋, 忠幸), Number of authors: H.E.S.S. Collaboration 253 (Affiliation. Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency(JAXA)(ISAS): Katsuragawa, Miho; Nakashima, Shinya; Odaka, Hirokazu; Takahashi, Tadayuki), Accepted: 2018-02-08, 資料番号: SA1170368000
Published: 2018

18. The supernova remnant W49B as seen with H.E.S.S. and Fermi-LAT

Author: M. Jingo, Ullrich Schwanke, I. Jung-Richardt, Markus Holler, Victor Zabalza, A. G. Akhperjanian, Michael Punch, Felix Jankowsky, I. Shilon, K. Dutson, D. Jankowsky, Felix Spanier, N. Shafi, Natalia Żywucka, T. Garrigoux, M. de Naurois, Christian Stegmann, Stefan Wagner, Yasunobu Uchiyama, J. Dyks, Mateusz Janiak, Felix Aharonian, H. Laffon, S. Eschbach, F. Spies, Ruizhi Yang, Marco Padovani, L. Mohrmann, C. van Rensburg, Thomas Tavernier, F. Niederwanger, A. Marcowith, C. Mariaud, Dieter Horns, Clemens Hoischen, A. A. Zdziarski, M. Lorentz, A. Schulz, Christoph Deil, T. Jogler, Gavin Rowell, M. Bryan, D. Zaborov, R. de los Reyes, P. Bordas, Nachiketa Chakraborty, Jacco Vink, Sabrina Casanova, R. Liu, C. Romoli, David Salek, E. Moulin, Tomasz Bulik, G. Lamanna, A. Fiasson, Christo Venter, Daniel Kerszberg, Ruben Lopez-Coto, M. Lemoine-Goumard, J. Lau, A. Jacholkowska, P. Willmann, Francois Brun, M. Chrétien, R. Moderski, A. Zech, B. Condon, Riaan Steenkamp, P. Wagner, M. Mayer, David Sánchez, Jacek Niemiec, Maria Haupt, Olaf Reimer, J. Becker Tjus, Thomas Murach, J. Chevalier, J. Hawkes, Krzysztof Katarzynski, Gilles Fontaine, Frank M. Rieger, Denis Wouters, Julien Lefaucheur, J. Bregeon, P.-O. Petrucci, Guillaume Dubus, L. O'c. Drury, Matteo Cerruti, F. Krayzel, R. Chalme-Calvet, Reinhard Schlickeiser, A. S. Seyffert, W. Kluźniak, D. Klochkov, M.-H. Grondin, N. W. Pekeur, Markus Böttcher, F. Zefi, Alison Mitchell, Zorawar Wadiasingh, D.A. Prokhorov, Michal Ostrowski, R. C. G. Chaves, J.-P. Lenain, Stefan Ohm, K. Morå, R. Blackwell, E. O. Angüner, Werner Hofmann, J. Decock, Pierre-Henri Aubert, S. Pita, J. Jeffrey Carr, Monica Barnard, L. Dirson, S. Öttl, F. Voisin, G. Heinzelmann, S. Colafrancesco, Stefano Gabici, Regis Terrier, Jan Conrad, N. Maxted, Aion Viana, C. Perennes, Nu. Komin, K. Egberts, M. Kraus, B. Peyaud, G. Pelletier, M. Kieffer, P. deWilt, A. Wörnlein, H. Odaka, Andrew M. Taylor, Stefan Funk, Alicja Wierzcholska, Ramin Marx, M. Panter, J. King, F. Ait Benkhali, Manami Sasaki, U. Katz, S. Schwemmer, R. J. Tuffs, S. J. Fegan, A. Djannati-Ataï, Andrea Santangelo, L. Tibaldo, M. Füßling, F. Schüssler, A. Balzer, R. J. White, Marek Jamrozy, Helene Sol, Domenico Tiziani, C. Trichard, I. D. Davids, Olivier Hervet, C. B. Rulten, P. J. Meintjes, Mariangela Settimo, Pierre Brun, Y. Cui, Rachel Simoni, Helen Poon, Joachim Hahn, M. Capasso, A. Ziegler, S. Krakau, V. Sahakian, C. Boisson, C. Farnier, M. Gajdus, E. Leser, Jean-Pierre Ernenwein, G. Cologna, Daniela Hadasch, B. Khélifi, G. Hermann, Johannes Veh, V. Lefranc, Heinrich J. Völk, M. Renaud, S. Bernhard, B. van Soelen, B. Rudak, M. Tluczykont, B. Degrange, H. Abdalla, M. A. Kastendieck, D. Gottschall, Anne Lemiere, Stefan Klepser, G. Vasileiadis, A. Ivascenko, Gilles Maurin, Y. A. Gallant, Łukasz Stawarz, Andreas Quirrenbach, Robert Wagner, Thomas Lohse, Justine Devin, Michael Zacharias, Léa Jouvin, T. Andersson, D. Kolitzus, M. Arrieta, Pascal Vincent, T. Vuillaume, Heike Prokoph, A. Förster, K. Stycz, J. F. Glicenstein, D. J. van der Walt, L. Oakes, J. Bolmont, I. Sushch, Axel Donath, A. W. Chen, Gilles Henri, Q. Piel, R. D. Parsons, F. Stinzing, B. Giebels, Junichiro Katsuta, Gianluca Giavitto, I. Oya, Tanya Edwards, S. Rosier-Lees, G. Spengler, Jim Hinton, M. Mohamed, Michael Backes, W. Domainko, J. P. Lees, S. Raab, A. Abramowski, P. P. Krüger, V. Marandon, D. Berge, Arti Goyal, J.-P. Tavernet, Iryna Lypova, Yvonne Becherini, P. T. O'Brien, Manuel Meyer, M. V. Fernandes, Peter Eger, C. van Eldik, K. Kosack, Konrad Bernlöhr, G. Pühlhofer, A. Reimer, Faculty of Science, High Energy Astrophys. & Astropart. Phys (API, FNWI), API Other Research (FNWI), ATLAS (IHEF, IoP, FNWI), Laboratoire Univers et Théories (LUTH (UMR_8102)), Centre National de la Recherche Scientifique (CNRS)-Université Paris Diderot - Paris 7 (UPD7)-Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Institut national des sciences de l'Univers (INSU - CNRS), Laboratoire d'Annecy de Physique des Particules (LAPP/Laboratoire d'Annecy-le-Vieux de Physique des Particules), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE (UMR_7585)), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris Diderot - Paris 7 (UPD7)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Laboratoire Univers et Particules de Montpellier (LUPM), Université de Montpellier (UM)-Université Montpellier 2 - Sciences et Techniques (UM2)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Centre d'Etudes Nucléaires de Bordeaux Gradignan (CENBG), Université Sciences et Technologies - Bordeaux 1-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, Centre de Physique des Particules de Marseille (CPPM), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Aix Marseille Université (AMU), Laboratoire Leprince-Ringuet (LLR), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-École polytechnique (X)-Centre National de la Recherche Scientifique (CNRS), AstroParticule et Cosmologie (APC (UMR_7164)), Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Institut de Planétologie et d'Astrophysique de Grenoble (IPAG), Centre National d'Études Spatiales [Toulouse] (CNES)-Université Grenoble Alpes (UGA)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire des Sciences de l'Univers de Grenoble (OSUG), Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP)-Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)-Université Joseph Fourier - Grenoble 1 (UJF)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP)-Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)-Université Joseph Fourier - Grenoble 1 (UJF)-Centre National de la Recherche Scientifique (CNRS), HESS, Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Diderot - Paris 7 (UPD7), Laboratoire d'Annecy de Physique des Particules (LAPP), Université Montpellier 2 - Sciences et Techniques (UM2)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS), Aix Marseille Université (AMU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Centre National de la Recherche Scientifique (CNRS)-École polytechnique (X)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Observatoire des Sciences de l'Univers de Grenoble (OSUG ), Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut national des sciences de l'Univers (INSU - CNRS)-Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes [2016-2019] (UGA [2016-2019])-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes [2016-2019] (UGA [2016-2019]), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS), Université Sciences et Technologies - Bordeaux 1 (UB)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), and Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Observatoire de Paris
Subjects: Astrophysics::High Energy Astrophysical Phenomena, Hochenergie-Astrophysik Theorie - Abteilung Hofmann, Infrarot-Astrophysik - Abteilung Hofmann, FOS: Physical sciences, Cosmic ray, Astrophysics, Astrophysics::Cosmology and Extragalactic Astrophysics, 01 natural sciences, 7. Clean energy, Spectral line, 0103 physical sciences, Binary star, ddc:530, Supernova remnant, 010303 astronomy & astrophysics, HESS - Abteilung Hofmann, Cherenkov radiation, Astrophysics::Galaxy Astrophysics, Astroparticle physics, Physics, High Energy Astrophysical Phenomena (astro-ph.HE), [SDU.ASTR]Sciences of the Universe [physics]/Astrophysics [astro-ph], 010308 nuclear & particles physics, Computer Science::Information Retrieval, supernova remnants [ISM], [SDU.ASTR.HE]Sciences of the Universe [physics]/Astrophysics [astro-ph]/High Energy Astrophysical Phenomena [astro-ph.HE], Institut für Physik und Astronomie, Astronomy and Astrophysics, Supernova, 13. Climate action, Space and Planetary Science, [SDU]Sciences of the Universe [physics], ddc:520, Astrophysics - High Energy Astrophysical Phenomena, general [gamma rays], clouds [ISM], Fermi Gamma-ray Space Telescope
Abstract: The supernova remnant (SNR) W49B originated from a core-collapse supernova that occurred between one and four thousand years ago, and subsequently evolved into a mixed-morphology remnant, which is interacting with molecular clouds (MC). $\gamma$-ray observations of SNR/MC associations are a powerful tool to constrain the origin of Galactic cosmic-rays, as they can probe the acceleration of hadrons through their interaction with the surrounding medium and subsequent emission of non-thermal photons. The detection of a $\gamma$-ray source coincident with W49B at very high energies (VHE; E > 100 GeV) with the H.E.S.S. Cherenkov telescopes is reported together with a study of the source with 5 years of Fermi-LAT high energy $\gamma$-ray (0.06 - 300 GeV) data. The smoothly-connected combined source spectrum, measured from 60 MeV to multi-TeV energies, shows two significant spectral breaks at $304\pm20$ MeV and $8.4_{-2.5}^{+2.2}$ GeV, the latter being constrained by the joint fit from the two instruments. The detected spectral features are similar to those observed in several other SNR/MC associations and are found to be indicative of $\gamma$-ray emission produced through neutral-pion decay., Comment: 10 pages, 6 figures. Accepted for publication in A&A
Published: 2018

19. Galaxy And Mass Assembly (GAMA): gas fuelling of spiral galaxies in the local Universe II. - direct measurement of the dependencies on redshift and host halo mass of stellar mass growth in central disc galaxies

Author: Lingyu Wang, Meiert W. Grootes, Michael J. I. Brown, Aaron S. G. Robotham, Jochen Liske, R. J. Tuffs, Benne W. Holwerda, Andrej Dvornik, Cristina Popescu, René J. Laureijs, and Systems, Control and Applied Analysis
Subjects: galaxies: spiral, Stellar mass, media_common.quotation_subject, FOS: Physical sciences, Astrophysics, Astrophysics::Cosmology and Extragalactic Astrophysics, Disc galaxy, 01 natural sciences, gravitational lensing: weak, galaxies: groups: general, 0103 physical sciences, ACCRETION RATES, 100 SQUARE DEGREES, MAIN-SEQUENCE, 010303 astronomy & astrophysics, Astrophysics::Galaxy Astrophysics, COLD FLOWS, media_common, Physics, F990, Spiral galaxy, FORMING GALAXIES, 010308 nuclear & particles physics, Star formation, CLOSE PAIRS, WEAK LENSING DATA, Astronomy and Astrophysics, STAR-FORMATION HISTORY, Astrophysics - Astrophysics of Galaxies, Galaxy, Redshift, Universe, EVOLUTION, Space and Planetary Science, DARK-MATTER HALOES, Astrophysics of Galaxies (astro-ph.GA), Halo, Astrophysics::Earth and Planetary Astrophysics, intergalactic medium, galaxies: evolution, galaxies: ISM
Abstract: We present a detailed analysis of the specific star formation rate -- stellar mass ($\mathrm{sSFR}-M_*$) of $z\le 0.13$ disk central galaxies using a morphologically selected mass-complete sample ($M_* \ge 10^{9.5} M_{\odot}$). Considering samples of grouped and ungrouped galaxies, we find the $\mathrm{sSFR}-M_*$ relations of disk-dominated central galaxies to have no detectable dependence on host dark-matter halo (DMH) mass, even where weak-lensing measurements indicate a difference in halo mass of a factor $\gtrsim5$. We further detect a gradual evolution of the $\mathrm{sSFR}-M_*$ relation of non-grouped (field) central disk galaxies with redshift, even over a $\Delta z \approx 0.04$ ($\approx5\cdot10^{8}\mathrm{yr}$) interval, while the scatter remains constant. This evolution is consistent with extrapolation of the "main-sequence-of-star-forming-galaxies" from previous literature that uses larger redshift baselines and coarser sampling. Taken together, our results present new constraints on the paradigm under which the SFR of galaxies is determined by a self-regulated balance between gas inflows and outflows, and consumption of gas by star-formation in disks, with the inflow being determined by the product of the cosmological accretion rate and a fuelling-efficiency -- $\dot{M}_{\mathrm{b,halo}}\zeta$. In particular, maintaining the paradigm requires $\dot{M}_{\mathrm{b,halo}}\zeta$ to be independent of the mass $M_{\mathrm{halo}}$ of the host DMH. Furthermore, it requires the fuelling-efficiency $\zeta$ to have a strong redshift dependence ($\propto (1+z)^{2.7}$ for $M_*=10^{10.3} M_{\odot}$ over $z=0 - 0.13$), even though no morphological transformation to spheroids can be invoked to explain this in our disk-dominated sample. The physical mechanisms capable of giving rise to such dependencies of $\zeta$ on $M_{\mathrm{halo}}$ and $z$ for disks are unclear., Comment: 23 pages, 6 figures, 3 tables. Accepted for publication in MNRAS
Published: 2018

20. Detailed spectral and morphological analysis of the shell type supernova remnant RCW 86

Author: C.-C. Lu, F. Schüssler, Felix Spanier, M. V. Fernandes, Gilles Henri, Jacco Vink, M. Mayer, F. Krayzel, M. Ostrowski, Sabrina Casanova, N. Chakraborty, E. Birsin, Thomas Tavernier, Werner Hofmann, Peter Eger, C. van Eldik, M. de Naurois, Mateusz Janiak, Ruizhi Yang, Guillaume Dubus, A. Marcowith, P. Espigat, Nu. Komin, Michael Punch, S. Häffner, Rachel Simoni, Helen Poon, A. Lopatin, N. Zywucka, F. Stinzing, B. Giebels, Tanya Edwards, Marek Jamrozy, M. Zacharia, Isak Delberth Davids, Daniel Kerszberg, A. Fiasson, G. Pelletier, K. Dutson, F. Spies, S. J. Wagner, P. Willmann, S. Rosier-Lees, M. Mohamed, Michal Dyrda, T. Vuillaume, Jacek Niemiec, Stefan Ohm, S. Pita, I. Jung-Richardt, M. Lemoine-Goumard, Helene Sol, Olaf Reimer, S. Bernhard, C. Mariaud, M. Kieffer, B. van Soelen, P. Wagner, F. Ait Benkhali, T. Bulik, B. Rudak, K. Stycz, Reinhard Schlickeiser, Yuzhu Cui, S. Schwemmer, Stefano Gabici, B. Degrange, Andrea Santangelo, Christoph Deil, J. Hawkes, V. Marandon, Frank M. Rieger, J. F. Glicenstein, A. Wörnlein, Victor Zabalza, Thomas Murach, U. Menzler, M. Füßling, André Schulz, Jim Hinton, R. Chalme-Calvet, C. Romoli, S. J. Fegan, A. Djannati-Ataï, Markus Holler, Arti Goyal, Michael Backes, Regis Terrier, Felix Jankowsky, J.-P. Lenain, J. Dyks, Joachim Hahn, A. Ivascenko, G. Spengler, Francois Brun, M. Chrétien, V. Lefranc, Olivier Hervet, Denis Wouters, Dieter Horns, R. J. Tuffs, H. Prokoph, Clemens Hoischen, A. A. Zdziarski, C. B. Rulten, Öttl, G. Heinzelmann, D. Fernandez, K. Kosack, F. Voisin, Konrad Bernlöhr, D. Berge, G. Lamanna, Yvonne Becherini, K. Egberts, Petter Hofverberg, Felix Aharonian, R. D. Parsons, G. Pühlhofer, S. Colafrancesco, Pierre Brun, Jan Conrad, J. Bolmont, M. A. Kastendieck, D.A. Prokhorov, J.L. Van der Walt, I. Sushch, C. Couturier, D. Klochkov, Andrew M. Taylor, C. Farnier, Andreas Hillert, J. Becker Tjus, J. Jeffrey Carr, W. Domainko, Gerard Fontaine, Ignasi Reichardt, R. Blackwell, F. Feinstein, J. Bregeon, M. Paz Arribas, Gianluca Giavitto, M. Gajdus, A. Reimer, H. Laffon, Alison Mitchell, Markus Böttcher, Alicja Wierzcholska, T. Garrigoux, K. Valerius, Daniela Hadasch, B. Khélifi, G. Hermann, P.-O. Petrucci, M. Grudzińska, Jean-Pierre Ernenwein, R. C. G. Chaves, E. O. Angüner, L. O'c. Drury, F. Zefi, H. Odaka, N. W. Pekeur, Johannes Veh, A. Balzer, D. Kolitzus, P. deWilt, Lukasz Stawarz, A. Förster, G. Vasileiadis, S. Raab, A. G. Akhperjanian, A. Abramowski, S. Klepser, Aion Viana, Ramin Marx, J.-P. Tavernet, M. Panter, U. Katz, U. Schwanke, M. Tluczykont, B. Opitz, N. Maxted, K. Moraa, S. Krakau, L. B. Oakes, Y. A. Gallant, Christo Venter, Christian Stegmann, Andreas Quirrenbach, V. Sahakian, P.P. Krüger, Riaan Steenkamp, Misao Sasaki, M. Lorentz, R. Moderski, A. Zech, Axel Donath, A. W. Chen, Pascal Vincent, David Sánchez, M.-H. Grondin, J. Lau, Julien Lefaucheur, A. S. Seyffert, J. Chevalier, Krzysztof Katarzynski, C. Boisson, D. Gottschall, Anne Lemiere, C. Trichard, David Salek, E. Moulin, R. Lui, P. J. Meintjes, Matthias Weidinger, B. Condon, A. Jacholkowska, Manuel Meyer, Robert Wagner, B. Peyaud, R. White, Thomas Lohse, W. Kluzniak, Gavin Rowell, M. Bryan, D. Zaborov, R. de los Reyes, Gilles Maurin, G. Cologna, Heinrich J. Völk, M. Renaud, P. Bordas, Igor Oya, Laboratoire Univers et Théories (LUTH (UMR_8102)), Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Centre de Physique des Particules de Marseille (CPPM), Aix Marseille Université (AMU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Laboratoire d'Annecy de Physique des Particules (LAPP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), AstroParticule et Cosmologie (APC (UMR_7164)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Observatoire de Paris, HESS, 24420530 - Böttcher, Markus, 13146629 - Davids, Isak Delberth, 24790052 - Ivascenko, Alex, 11749903 - Krüger, Petrus Paulus, 22050574 - Pekeur, Nicolette Whilna, 20126999 - Seyffert, Albertus Stefanus, 25161814 - Spanier, Felix Alexander, 24922986 - Sushch, Iurii, 10060499 - Van der Walt, Diederick Johannes, 12006653 - Venter, Christo, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Diderot - Paris 7 (UPD7), Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Aix Marseille Université (AMU), Laboratoire d'Annecy de Physique des Particules (LAPP/Laboratoire d'Annecy-le-Vieux de Physique des Particules), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7), Faculty of Science, High Energy Astrophys. & Astropart. Phys (API, FNWI), API Other Research (FNWI), and ATLAS (IHEF, IoP, FNWI)
Subjects: Astrophysics::High Energy Astrophysical Phenomena, Astrophysics, Astrophysics::Cosmology and Extragalactic Astrophysics, Type (model theory), Kinetic energy, 01 natural sciences, cosmic rays, 0103 physical sciences, ddc:530, Sensitivity (control systems), 010306 general physics, Supernova remnant, 010303 astronomy & astrophysics, Astrophysics::Galaxy Astrophysics, ComputingMilieux_MISCELLANEOUS, Physics, Spectral index, supernova remnants [ISM], [SDU.ASTR.HE]Sciences of the Universe [physics]/Astrophysics [astro-ph]/High Energy Astrophysical Phenomena [astro-ph.HE], Institut für Physik und Astronomie, Astronomy and Astrophysics, Supernova, Space and Planetary Science, astroparticle physics, ddc:520, Spectral energy distribution, Production (computer science), general [gamma rays]
Abstract: Aim. We aim for an understanding of the morphological and spectral properties of the supernova remnant RCW 86 and for insights into the production mechanism leading to the RCW 86 very high-energy γ-ray emission.Methods. We analyzed High Energy Spectroscopic System (H.E.S.S.) data that had increased sensitivity compared to the observations presented in the RCW 86 H.E.S.S. discovery publication. Studies of the morphological correlation between the 0.5–1 keV X-ray band, the 2–5 keV X-ray band, radio, and γ-ray emissions have been performed as well as broadband modeling of the spectral energy distribution with two different emission models.Results. We present the first conclusive evidence that the TeV γ-ray emission region is shell-like based on our morphological studies. The comparison with 2–5 keV X-ray data reveals a correlation with the 0.4–50 TeV γ-ray emission. The spectrum of RCW 86 is best described by a power law with an exponential cutoff at Ecut = (3.5 ± 1.2stat) TeV and a spectral index of Γ ≈ 1.6 ± 0.2. A static leptonic one-zone model adequately describes the measured spectral energy distribution of RCW 86, with the resultant total kinetic energy of the electrons above 1 GeV being equivalent to ~0.1% of the initial kinetic energy of a Type Ia supernova explosion (1051 erg). When using a hadronic model, a magnetic field of B ≈ 100 μG is needed to represent the measured data. Although this is comparable to formerly published estimates, a standard E−2 spectrum for the proton distribution cannot describe the γ-ray data. Instead, a spectral index of Γp ≈ 1.7 would be required, which implies that ∼7 × 1049/ncm−3 has been transferred into high-energy protons with the effective density ncm−3 = n/1 cm−3. This is about 10% of the kinetic energy of a typical Type Ia supernova under the assumption of a density of 1 cm−3.
Published: 2018

21. The consequence of a new ISRF model of the Milky Way on predictions for diffuse gamma-ray emission

Author: Olaf Reimer, Felix Niederwanger, R. J. Tuffs, Ralf Kissmann, Andrew W. Strong, and Cristina Popescu
Subjects: Physics, High Energy Astrophysical Phenomena (astro-ph.HE), F990, 010308 nuclear & particles physics, Milky Way, Astrophysics::High Energy Astrophysical Phenomena, Galactic Center, Gamma ray, FOS: Physical sciences, Astronomy and Astrophysics, Context (language use), Astrophysics, Electron, Astrophysics::Cosmology and Extragalactic Astrophysics, Radiation, Galactic plane, 01 natural sciences, Positron, 13. Climate action, 0103 physical sciences, Astrophysics - High Energy Astrophysical Phenomena, 010303 astronomy & astrophysics, Astrophysics::Galaxy Astrophysics
Abstract: We investigate the impact of the recently published ISRF model of the Milky Way by Popescu et al. on the CR electrons and positrons in the context of cosmic-ray transport modelling. We also study predictions for diffuse Galactic gamma radiation and underline the importance of the increased ISRF intensities.We use the PICARD code for solving the CR transport equation to obtain predictions based on Galactic cosmic-ray electron fluxes. We show that the new ISRF yields gamma-ray intensity increases, most particular at the Galactic Center and in the Galactic Plane. The impact is largest at energies around 220 GeV., Comment: 20 pages, 15 figures
Published: 2018
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22. The XXL Survey. XXX. Characterisation of the XLSSsC N01 supercluster and analysis of the galaxy stellar populations

Author: August E. Evrard, Angela Bongiorno, Cathy Horellou, Mark Birkinshaw, Elias Koulouridis, Andrii Elyiv, R. J. Tuffs, Sophie Maurogordato, A. Iovino, Fabio Gastaldello, L. Guennou, Aaron S. G. Robotham, Florian Pacaud, Paul Giles, M. E. Ramos Ceja, Jacopo Fritz, Stéphane Paltani, Vernesa Smolčić, T. Sadibekova, Matt S. Owers, Cristian Vignali, Marguerite Pierre, J. Willis, V. Guglielmo, Bianca M. Poggianti, César A. Caretta, Ivan K. Baldry, Andrew M. Hopkins, Trevor J. Ponman, Meiert W. Grootes, Michael J. I. Brown, Manolis Plionis, C. Adami, L. Chiappetti, Alberto Moretti, Benedetta Vulcani, Simon P. Driver, University of St Andrews. School of Physics and Astronomy, Guglielmo, V., Poggianti, B.M., Vulcani, B., Moretti, A., Fritz, J., Gastaldello, F., Adami, C., Caretta, C.A., Willis, J., Koulouridis, E., Ramos Ceja, M.E., Giles, P., Baldry, I., Birkinshaw, M., Bongiorno, A., Brown, M., Chiappetti, L., Driver, S., Elyiv, A., Evrard, A., Grootes, M., Guennou, L., Hopkins, A., Horellou, C., Iovino, A., Maurogordato, S., Owers, M., Pacaud, F., Paltani, S., Pierre, M., Plionis, M., Ponman, T., Robotham, A., Sadibekova, T., Smolčić, V., Tuffs, R., and Vignali, C.
Subjects: PRIRODNE ZNANOSTI. Fizika. Astronomija i astrofizika, Stellar population, FOS: Physical sciences, Perturbation (astronomy), large-scale structure of Universe, X-rays: galaxies: clusters, galaxies: groups: general, galaxies: evolution, galaxies: star formation, galaxies: stellar content, Astrophysics, Astrophysics::Cosmology and Extragalactic Astrophysics, 01 natural sciences, star formation [Galaxies], Virial theorem, Supercluster, Large-scale structure of the universe, 0103 physical sciences, Cluster (physics), NATURAL SCIENCES. Physics. Astronomy and Astrophysics, QB Astronomy, 010303 astronomy & astrophysics, QC, Astrophysics::Galaxy Astrophysics, QB, Physics, 85A04, 010308 nuclear & particles physics, Star formation, Astronomy and Astrophysics, 3rd-DAS, evolution [Galaxies], Astrophysics - Astrophysics of Galaxies, Galaxy, groups: general [Galaxies], QC Physics, Space and Planetary Science, Astrophysics of Galaxies (astro-ph.GA), Spectral energy distribution, stellar content [Galaxies], galaxies: clusters [X-rays]
Abstract: Superclusters form from the largest enhancements in the primordial density perturbation field and extend for tens of Mpc, tracing the large-scale structure of the Universe. We characterise XLSSsCN01, a rich supercluster at z~0.3 detected in the XXL Survey, composed of X-ray clusters of different virial masses and luminosities. As one of the first studies on this topic, we investigate the stellar populations of galaxies in different environments in the supercluster region. We study a magnitude-limited (r10.8) of galaxies in the virialised region and in the outskirts of 11 XLSSsCN01 clusters, in high- and low-density field. We compute the stellar population properties of galaxies using spectral energy distribution and spectral fitting techniques, and study the dependence of star formation rates (SFR), colours, and stellar ages on environment. For r-12 and with (g-r)_rf10.8, no trends with environment emerge, as massive galaxies are mostly already passive in all environments. No differences among low- and high-density field members and cluster members emerge in the sSFR-mass relation. The luminosity-weighted age-mass relation of the passive populations within cluster virial radii show signatures of recent environmental quenching. The study of luminous and massive galaxies in this supercluster shows that while environment has a prominent role in determining the fractions of SFing/blue galaxies, its effects on the star formation activity in SFing galaxies are negligible., 16 pages, 10 figures, 2 tables, accepted for publication in A&A
Published: 2018

23. A search for new supernova remnant shells in the Galactic plane with H.E.S.S

Author: Maria Haupt, Michael Backes, H. Iwasaki, Jacek Niemiec, Axel Donath, A. W. Chen, J. P. Lees, Ramin Marx, M. Panter, U. Katz, Gilles Henri, I. Oya, Tim Holch, Olaf Reimer, M.-H. Grondin, Nachiketa Chakraborty, K. Dutson, Markus Böttcher, F. Spies, S. Raab, A. Abramowski, G. Spengler, Thomas Tavernier, Naomi Tsuji, M. Mohamed, Nu. Komin, L. Jouvin, Włodek Kluźniak, G. Cologna, Rafal Moderski, S. Bonnefoy, P. T. O'Brien, M. V. Fernandes, W. Domainko, J. Carr, Matteo Cerruti, C. van Eldik, Gerard Fontaine, M. Jingo, Yasuo Fukui, Emmanuel Moulin, G. Lamanna, Konrad Bernlöhr, Clemens Hoischen, A. A. Zdziarski, G. Pühlhofer, Thomas Murach, Ullrich Schwanke, A. Reimer, Manuel Meyer, Arache Djannati-Ataï, M. Katsuragawa, Pierre-Henri Aubert, K. Egberts, Anne Lemiere, Heinrich J. Völk, M. Renaud, B. Giebels, H. Prokoph, Victor Zabalza, Christoph Deil, F. Niederwanger, C. Trichard, A. G. Akhperjanian, F. Zefi, M. Kraus, I. D. Davids, P. J. Meintjes, Y. Cui, Werner Hofmann, Tadayuki Takahashi, G. Pelletier, B. Peyaud, R. C. G. Chaves, E. O. Angüner, A. Ziegler, R. Liu, Jacco Vink, H. Laffon, Alexandre Marcowith, P. deWilt, Robert Wagner, Thomas Lohse, Stefan Klepser, I. Shilon, K. Morå, Sabrina Casanova, F. Ait Benkhali, J. King, M. Füßling, Ruben Lopez-Coto, Manami Sasaki, M. Lemoine-Goumard, S. Schwemmer, A. Balzer, D. Klochkov, P. Bordas, J. Chevalier, Stefan Ohm, A. Ivascenko, D. Berge, S. Pita, P. Wagner, M. Gajdus, Michael Punch, Andrea Santangelo, Marek Jamrozy, T. Andersson, D. Kolitzus, R. Blackwell, C. Farnier, Michal Ostrowski, Helene Sol, E. Leser, Stefano Gabici, Thomas Vuillaume, S. Nakashima, P. Eger, M. Arrieta, S. Saito, Aya Bamba, C. Romoli, J. Hawkes, A. Förster, Hidetoshi Sano, J.-P. Tavernet, J.-P. Lenain, M. Capasso, J. Dyks, Christo Venter, Andrew M. Taylor, D. Jankowsky, Aion Viana, Christian Stegmann, Stefan Wagner, Q. Piel, Johan Bregeon, Karl Kosack, M. Mayer, Felix Spanier, Arti Goyal, Iryna Lypova, Stefan Funk, Alicja Wierzcholska, Łukasz Stawarz, Yvonne Becherini, B. Khélifi, G. Hermann, Yasunobu Uchiyama, S. Krakau, L. Mohrmann, Regis Terrier, F. Schüssler, A. Zech, N. Shafi, Natalia Żywucka, N. Maxted, M. de Naurois, V. Sahakian, L. Oakes, R. J. White, V. Lefranc, J. Bolmont, I. Sushch, M. Janiak, C. van Rensburg, S. Bernhard, Francois Brun, B. van Soelen, B. Rudak, Dieter Horns, S. Richter, D. A. Sanchez, T. Garrigoux, P. Vincent, Joachim Hahn, B. Degrange, R. J. Tuffs, Frank M. Rieger, M. Seglar-Arroyo, Domenico Tiziani, Andreas Quirrenbach, M. Lorentz, Gilles Maurin, Riaan Steenkamp, H. Abdalla, D. Gottschall, D. Kerszberg, M. A. Kastendieck, K. Stycz, Michael Zacharias, C. Mariaud, J. Becker Tjus, Ruizhi Yang, G. Vasileiadis, Denis Wouters, Rachel Simoni, Helen Poon, J. Decock, P.-O. Petrucci, Masanori Arakawa, F. Voisin, J. F. Glicenstein, N. W. Pekeur, A. Schulz, S. Colafrancesco, D.A. Prokhorov, Cameron B Rulten, I. Jung-Richardt, A. Fiasson, Roberta Zanin, S. Öttl, Marco Padovani, Jim Hinton, P. Willmann, Dmitry Khangulyan, A. S. Seyffert, D. J. van der Walt, Gavin Rowell, M. Bryan, O. Hervet, D. Zaborov, Markus Holler, Jan Conrad, Felix Jankowsky, R. de los Reyes, A. Jacholkowska, G. Heinzelmann, Tanya Edwards, Felix Aharonian, David Salek, Tomasz Bulik, S. Eschbach, Julien Lefaucheur, M. Coffaro, R. D. Parsons, Alison Mitchell, Zorawar Wadiasingh, B. Condon, Gianluca Giavitto, Monica Barnard, M. Settimo, L. Tibaldo, H. Odaka, Reinhard Schlickeiser, Pierre Brun, Jean-Pierre Ernenwein, L. Dirson, Johannes Veh, M. Tluczykont, Y. A. Gallant, Justine Devin, J. Lau, Satoshi Yoshiike, Krzysztof Katarzynski, Catherine Boisson, T. Jogler, P. P. Krüger, M. Büchele, C. Perennes, A. Wörnlein, L. O. 'C. Drury, S. J. Fegan, V. Marandon, Laboratoire Univers et Théories (LUTH (UMR_8102)), Centre National de la Recherche Scientifique (CNRS)-Université Paris Diderot - Paris 7 (UPD7)-Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Institut national des sciences de l'Univers (INSU - CNRS), Laboratoire d'Annecy de Physique des Particules (LAPP/Laboratoire d'Annecy-le-Vieux de Physique des Particules), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE (UMR_7585)), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris Diderot - Paris 7 (UPD7)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Laboratoire Univers et Particules de Montpellier (LUPM), Université Montpellier 2 - Sciences et Techniques (UM2)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS), Centre d'Etudes Nucléaires de Bordeaux Gradignan (CENBG), Université Sciences et Technologies - Bordeaux 1-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, Centre de Physique des Particules de Marseille (CPPM), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Aix Marseille Université (AMU), Laboratoire Leprince-Ringuet (LLR), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-École polytechnique (X)-Centre National de la Recherche Scientifique (CNRS), AstroParticule et Cosmologie (APC (UMR_7164)), Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Institut de Planétologie et d'Astrophysique de Grenoble (IPAG), Centre National d'Études Spatiales [Toulouse] (CNES)-Université Grenoble Alpes (UGA)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire des Sciences de l'Univers de Grenoble (OSUG), Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP)-Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)-Université Joseph Fourier - Grenoble 1 (UJF)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP)-Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)-Université Joseph Fourier - Grenoble 1 (UJF)-Centre National de la Recherche Scientifique (CNRS), H.E.S.S., Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Université de Montpellier (UM)-Université Montpellier 2 - Sciences et Techniques (UM2)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7), Laboratoire Univers et Théories ( LUTH ), Institut national des sciences de l'Univers ( INSU - CNRS ) -Observatoire de Paris-Université Paris Diderot - Paris 7 ( UPD7 ) -Centre National de la Recherche Scientifique ( CNRS ), Laboratoire d'Annecy de Physique des Particules ( LAPP/Laboratoire d'Annecy-le-Vieux de Physique des Particules ), Institut National de Physique Nucléaire et de Physique des Particules du CNRS ( IN2P3 ) -Université Savoie Mont Blanc ( USMB [Université de Savoie] [Université de Chambéry] ) -Centre National de la Recherche Scientifique ( CNRS ), Laboratoire de Physique Nucléaire et de Hautes Énergies ( LPNHE ), Université Pierre et Marie Curie - Paris 6 ( UPMC ) -Institut National de Physique Nucléaire et de Physique des Particules du CNRS ( IN2P3 ) -Université Paris Diderot - Paris 7 ( UPD7 ) -Centre National de la Recherche Scientifique ( CNRS ), Laboratoire Univers et Particules de Montpellier ( LUPM ), Centre National de la Recherche Scientifique ( CNRS ) -Institut National de Physique Nucléaire et de Physique des Particules du CNRS ( IN2P3 ) -Université Montpellier 2 - Sciences et Techniques ( UM2 ) -Université de Montpellier ( UM ), Centre d'Etudes Nucléaires de Bordeaux Gradignan ( CENBG ), Université Sciences et Technologies - Bordeaux 1-Institut National de Physique Nucléaire et de Physique des Particules du CNRS ( IN2P3 ) -Centre National de la Recherche Scientifique ( CNRS ), Institut de Recherches sur les lois Fondamentales de l'Univers ( IRFU ), Commissariat à l'énergie atomique et aux énergies alternatives ( CEA ) -Université Paris-Saclay, Centre de Physique des Particules de Marseille ( CPPM ), Centre National de la Recherche Scientifique ( CNRS ) -Institut National de Physique Nucléaire et de Physique des Particules du CNRS ( IN2P3 ) -Aix Marseille Université ( AMU ), Laboratoire Leprince-Ringuet ( LLR ), Institut National de Physique Nucléaire et de Physique des Particules du CNRS ( IN2P3 ) -École polytechnique ( X ) -Centre National de la Recherche Scientifique ( CNRS ), AstroParticule et Cosmologie ( APC - UMR 7164 ), Centre National de la Recherche Scientifique ( CNRS ) -Institut National de Physique Nucléaire et de Physique des Particules du CNRS ( IN2P3 ) -Observatoire de Paris-Université Paris Diderot - Paris 7 ( UPD7 ) -Commissariat à l'énergie atomique et aux énergies alternatives ( CEA ), Institut de Planétologie et d'Astrophysique de Grenoble ( IPAG ), Observatoire des Sciences de l'Univers de Grenoble ( OSUG ), Université Joseph Fourier - Grenoble 1 ( UJF ) -Institut national des sciences de l'Univers ( INSU - CNRS ) -Centre National de la Recherche Scientifique ( CNRS ) -Université Grenoble Alpes ( UGA ) -Université Joseph Fourier - Grenoble 1 ( UJF ) -Institut national des sciences de l'Univers ( INSU - CNRS ) -Centre National de la Recherche Scientifique ( CNRS ) -Université Grenoble Alpes ( UGA ) -Centre National de la Recherche Scientifique ( CNRS ), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Diderot - Paris 7 (UPD7), Laboratoire d'Annecy de Physique des Particules (LAPP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP), Aix Marseille Université (AMU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Centre National de la Recherche Scientifique (CNRS)-École polytechnique (X)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP), Centre National d'Études Spatiales [Toulouse] (CNES)-Observatoire des Sciences de l'Univers de Grenoble (OSUG ), Institut national des sciences de l'Univers (INSU - CNRS)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE)-Université Grenoble Alpes (UGA)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE)-Université Grenoble Alpes (UGA), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS), Université Sciences et Technologies - Bordeaux 1 (UB)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité), Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Observatoire des Sciences de l'Univers de Grenoble (OSUG ), Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut national des sciences de l'Univers (INSU - CNRS)-Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes [2016-2019] (UGA [2016-2019])-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes [2016-2019] (UGA [2016-2019]), Faculty of Science, High Energy Astrophys. & Astropart. Phys (API, FNWI), API Other Research (FNWI), and ATLAS (IHEF, IoP, FNWI)
Subjects: accelerator, Milky Way, [ PHYS.ASTR ] Physics [physics]/Astrophysics [astro-ph], Astrophysics::High Energy Astrophysical Phenomena, leptonic, Population, Hochenergie-Astrophysik Theorie - Abteilung Hofmann, Infrarot-Astrophysik - Abteilung Hofmann, FOS: Physical sciences, Cosmic ray, Astrophysics, Astrophysics::Cosmology and Extragalactic Astrophysics, 01 natural sciences, hadronic, cosmic rays, HESS, 0103 physical sciences, supernova, ddc:530, High Energy Stereoscopic System, Supernova remnant, education, 010303 astronomy & astrophysics, HESS - Abteilung Hofmann, Astrophysics::Galaxy Astrophysics, Computer Science::Information Theory, ISM: supernova remnants, High Energy Astrophysical Phenomena (astro-ph.HE), Astroparticle physics, Physics, education.field_of_study, radio wave, particle: relativistic, 010308 nuclear & particles physics, supernova remnants [ISM], Institut für Physik und Astronomie, Astronomy and Astrophysics, Galactic plane, Supernova, Space and Planetary Science, gamma ray, astroparticle physics, cosmic radiation: galaxy, ddc:520, Astrophysics - High Energy Astrophysical Phenomena, [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph]
Abstract: 著者人数: H.E.S.S. Collaboration 264名 (所属. 宇宙航空研究開発機構宇宙科学研究所(JAXA)(ISAS): 桂川, 美穂; 中島, 真也; 小高, 裕和; 高橋, 忠幸), Number of authors: H.E.S.S. Collaboration 264 (Affiliation. Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency(JAXA)(ISAS): Katsuragawa, Miho; Nakashima, Shinya; Odaka, Hirokazu; Takahashi, Tadayuki), Accepted: 2017-12-11, 資料番号: SA1170364000
Published: 2018

24. A polarized fast radio burst at low Galactic latitude

Author: M. de Jong, Michael Punch, Mansi M. Kasliwal, T. A. Pritchard, S. Galatà, K. Egberts, S. Loucatos, C. Tönnis, S. Öttl, G. Pelletier, Ivan Felis, Mitchell B. Mickaliger, Jacek Niemiec, G. Cologna, Robert Wagner, A. Gleixner, C. Racca, P. J. Meintjes, Thomas Lohse, Jamie Farnes, Olaf Reimer, F. Ait Benkhali, L. O'c. Drury, P. de Wilt, R. Chalme-Calvet, I. Salvadori, Kay Graf, Karel Melis, A. Vizzoca, I. El Bojaddaini, G. Heinzelmann, C. B. Rulten, Bruny Baret, Heinrich J. Völk, Manami Sasaki, S. Schwemmer, Q. Piel, Andrea Santangelo, Thomas Vuillaume, Guillaume Dubus, A. Jacholkowska, Simon Johnston, J. Chevalier, Julien Lefaucheur, M. Renaud, K. Dutson, F. Spies, D. Dornic, C. Farnier, A. Trovato, E. Leser, Tanya Edwards, Jean-Pierre Macquart, L. Tibaldo, Thomas Murach, C. Lachaud, A. Marinelli, I. D. Davids, Ramin Marx, M. Panter, U. Katz, Silvia Celli, Timothée Grégoire, D. Kiessling, Antoine Kouchner, Marco Padovani, Matthias Kadler, Francois Brun, A. Ivascenko, E. D. Barr, C. W. James, Daniela Hadasch, C. Perrina, Maria Tselengidou, G. Hermann, Regis Terrier, D. Klochkov, Johan Bregeon, W. Kluzniak, M. Kieffer, P. Vincent, Y. Cui, S. Bernhard, L. Stawarz, A. Ziegler, M.C. Bouwhuis, C. Romoli, Dieter Horns, Mateusz Janiak, B. van Soelen, B. Rudak, T. Michael, Nachiketa Chakraborty, Caterina Tiburzi, N. Zywucka, Alison Mitchell, B. Degrange, Santiago Pita, R. Blackwell, Reinhard Schlickeiser, I. Kreykenbohm, Annarita Margiotta, Jutta Schnabel, M. Jingo, R. J. White, Thomas Eberl, H. Laffon, M. Lotze, Christo Venter, Tommaso Chiarusi, M. Anghinolfi, Maura McLaughlin, Zorawar Wadiasingh, B. Condon, D. A. Sanchez, M. Mayer, V. Lefranc, H. Abdalla, M. A. Kastendieck, S. Bourret, G. Vasileiadis, Iryna Lypova, Yvonne Becherini, G. Illuminati, Clemens Hoischen, A. A. Zdziarski, S. Geisselsoder, I. Shilon, E. O. Angüner, Domenico Tiziani, K. Kosack, Konrad Bernlöhr, A. Enzenhöfer, R. Moderski, V. S. Dhillon, Evan Keane, G. Lamanna, Riaan Steenkamp, Matthew Bailes, M. Füssling, A. Zech, V. Van Elewyck, M. Taiuti, J. Decock, Ullrich Schwanke, Monica Barnard, D. Zaborov, O. Kalekin, M. Circella, Y. A. Gallant, N. D. R. Bhat, A. Creusot, Victor Zabalza, Th. Stolarczyk, B. Vallage, N. Maxted, Dominique Lefèvre, L. Dirson, E. Petroff, D. Jankowsky, M.-H. Grondin, C. Perennes, Markus Böttcher, E. Nezri, A. G. Akhperjanian, Maria Haupt, Jürgen Brunner, G. Pühlhofer, S. Klepser, A. Wörnlein, Denis Wouters, Armin Rest, A. Possenti, R. C. G. Chaves, C. Mueller, P. Coyle, F. Zefi, Poonam Chandra, F. Niederwanger, R. D. Parsons, Anne Deschamps, T. Seitz, Daniele Vivolo, D. J. Champion, C. Sieger, J. Dyks, F. Schüssler, L. Caramete, A. Reimer, Felix Spanier, Dominik Elsässer, H. van Haren, S. R. Bernard, T. Garrigoux, K. Morå, I. Di Palma, L. K. Hardy, David Salek, E. Moulin, Justine Devin, Michal Ostrowski, Tomasz Bulik, J.-P. Lenain, Luigi Antonio Fusco, Thomas Tavernier, Matteo Sanguineti, A. Sánchez-Losa, M. Capasso, S. J. Fegan, A. Djannati-Ataï, G. Riccobene, Gianluca Giavitto, Benjamin Stappers, Gilles Maurin, I. Oya, L. Quinn, Axel Donath, Jacco Vink, A. W. Chen, J. Zúñiga, A. S. Seyffert, R. Miller, Pierre-Henri Aubert, Nu. Komin, Sabrina Casanova, Andrew M. Taylor, Jörn Wilms, M. Kreter, Mark Sullivan, Michael Kramer, S. Krakau, V. Sahakian, R. Bruijn, Andreas Quirrenbach, J-J. Aubert, R. Borrnuth, M. Saldaña, Aion Viana, C. Mariaud, Joao A B Coelho, J. P. Lees, P. Migliozzi, D. J. van der Walt, M. Settimo, C. Vallée, Christian Stegmann, Stefan Wagner, Gisela Anton, Bruno Khelifi, Jan Conrad, M. Marcelin, V. Giordano, M. Lorentz, M. Kraus, D. Kerszberg, T. Avgitas, Rachel Simoni, Helen Poon, J.A. Martínez-Mora, Alexis Coleiro, Antonia Rowlinson, S. Raab, Stefan Funk, Alicja Wierzcholska, B. Peyaud, Yasunobu Uchiyama, R. J. Tuffs, L. Mohrmann, Juan José Hernández-Rey, T. Jogler, D.A. Prokhorov, Michel André, Frank M. Rieger, J.D. Zornoza, A. Schulz, T. Pradier, S. Wagner, A. Abramowski, R. Mele, S. Rosier-Lees, G. Spengler, Yann Hello, J. Lau, C. van Rensburg, M. Holler, R. Coniglione, Arnauld Albert, Emanuele Leonora, A. Balzer, Michael Zacharias, M. Mohamed, Yahya Tayalati, J. Carr, I. Jung-Richardt, A. Mathieu, A. Fiasson, Roberta Zanin, P. Willmann, Hervé Glotin, K. Geyer, K. Roensch, Michael Backes, Alexandre Marcowith, J. King, J. Hofestädt, P. P. Krüger, K. Stycz, Jeff Cooke, S. P. Littlefair, H. Odaka, Felix Jankowsky, N. Shafi, M. de Naurois, Krzysztof Katarzynski, Jim Hinton, Matteo Cerruti, P. Bordas, Robert Lahmann, F. Krayzel, V. Bertin, J. Barrios-Martí, R. Liu, Stefan Ohm, W. van Straten, Christoph Deil, J. Hossl, P. Jaroenjittichai, Léa Jouvin, R. Gracia-Ruiz, T. Andersson, W. Domainko, Gerard Fontaine, Felix Aharonian, J. F. Glicenstein, Maurizio Spurio, V. Popa, Catherine Boisson, D. Drouhin, Paolo Piattelli, Olivier Hervet, Pierre Brun, F. Voisin, M. Jongen, D. Kolitzus, C. Trichard, M. Arrieta, Utane Sawangwit, Heike Prokoph, P. T. O'Brien, Paolo Sapienza, A. Förster, Ruben Lopez-Coto, M. Lemoine-Goumard, Abdelilah Moussa, S. Eschbach, M. V. Fernandes, A.J. Heijboer, Steffen Hallmann, C. Hugon, Ruizhi Yang, D. Turpin, Werner Hofmann, Stefano Gabici, S.F. Biagi, P. Wagner, V. Marandon, Jean-Pierre Ernenwein, C. Distefano, S. Colafrancesco, D. F. E. Samtleben, Vladimir Kulikovskiy, Marek Jamrozy, I. Andreoni, Corinne Donzaud, Vikram Ravi, Joachim Hahn, Shivani Bhandari, L. Oakes, Johannes Veh, M. Tluczykont, M. Caleb, Gilles Henri, J. Bolmont, J. Hawkes, I. Sushch, S. Basa, M. Chrétien, Sarah Burke-Spolaor, M. Gajdus, G.E. Păvălaş, C. Pellegrino, H. Costantini, Peter Eger, F. Stinzing, C. van Eldik, D. Berge, G. De Bonis, B. Giebels, A. Capone, Helene Sol, J. Busto, J. Becker Tjus, J.-P. Tavernet, Gavin Rowell, M. Bryan, R. de los Reyes, P.-O. Petrucci, N. W. Pekeur, Manuel Meyer, A. Goya, M. Burgay, Miguel Ardid, D. Gottschall, Anne Lemiere, Laboratoire Univers et Théories (LUTH (UMR_8102)), Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Diderot - Paris 7 (UPD7), AstroParticule et Cosmologie (APC (UMR_7164)), Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), Laboratoire d'Astrophysique de Marseille (LAM), Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Aix Marseille Université (AMU)-Centre National d'Études Spatiales [Toulouse] (CNES), Petroff, E, Burke-Spolaor, S, Keane, Ef, Mclaughlin, Ma, Miller, R, Andreoni, I, Bailes, M, Barr, Ed, Bernard, Sr, Bhandari, S, Bhat, Ndr, Burgay, M, Caleb, M, Champion, D, Chandra, P, Cooke, J, Dhillon, V, Farnes, J, Hardy, Lk, Jaroenjittichai, P, Johnston, S, Kasliwal, M, Kramer, M, Littlefair, Sp, Macquart, Jp, Mickaliger, M, Possenti, A, Pritchard, T, Ravi, V, Rest, A, Rowlinson, A, Sawangwit, U, Stappers, B, Sullivan, M, Tiburzi, C, van Straten, W, Albert, A, Andre, M, Anghinolfi, M, Anton, G, Ardid, M, Aubert, Jj, Avgitas, T, Baret, B, Barrios-Marti, J, Basa, S, Bertin, V, Biagi, S, Borrnuth, R, Bourret, S, Bouwhuis, Mc, Bruijn, R, Brunner, J, Busto, J, Capone, A, Caramete, L, Carr, J, Celli, S, Chiarusi, T, Circella, M, Coelho, Jab, Coleiro, A, Coniglione, R, Costantini, H, Coyle, P, Creusot, A, Deschamps, A, De Bonis, G, Distefano, C, Di Palma, I, Donzaud, C, Dornic, D, Drouhin, D, Eberl, T, El Bojaddaini, I, Elsasser, D, Enzenhofer, A, Felis, I, Fusco, La, Galata, S, Gay, P, Geisselsoder, S, Geyer, K, Giordano, V, Gleixner, A, Glotin, H, Gregoire, T, Gracia-Ruiz, R, Graf, K, Hallmann, S, van Haren, H, Heijboer, Aj, Hello, Y, Hernandez-Rey, Jj, Hossl, J, Hofestadt, J, Hugon, C, Illuminati, G, James, Cwcw, de Jong, M, Jongen, M, Kadler, M, Kalekin, O, Katz, U, Kiessling, D, Kouchner, A, Kreter, M, Kreykenbohm, I, Kulikovskiy, V, Lachaud, C, Lahmann, R, Lefevre, D, Leonora, E, Lotze, M, Loucatos, S, Marcelin, M, Margiotta, A, Marinelli, A, Martinez-Mora, Ja, Mathieu, A, Mele, R, Melis, K, Michael, T, Migliozzi, P, Moussa, A, Mueller, C, Nezri, E, Pavalas, Ge, Pellegrino, C, Perrina, C, Piattelli, P, Popa, V, Pradier, T, Quinn, L, Racca, C, Riccobene, G, Roensch, K, Sanchez-Losa, A, Saldana, M, Salvadori, I, Samtleben, Dfe, Sanguineti, M, Sapienza, P, Schnabel, J, Seitz, T, Sieger, C, Spurio, M, Stolarczyk, T, Taiuti, M, Tayalati, Y, Trovato, A, Tselengidou, M, Turpin, D, Tonnis, C, Vallage, B, Vallee, C, Van Elewyck, V, Vivolo, D, Vizzoca, A, Wagner, S, Wilms, J, Zornoza, Jd, Zuniga, J, Abdalla, H, Abramowski, A, Aharonian, F, Benkhali, Fa, Akhperjanian, Ag, Andersson, T, Anguner, Eo, Arrieta, M, Aubert, P, Backes, M, Balzer, A, Barnard, M, Becherini, Y, Tjus, Jb, Berge, D, Bernhard, S, Bernlohr, K, Blackwell, R, Bottcher, M, Boisson, C, Bolmont, J, Bordas, P, Bregeon, J, Brun, F, Brun, P, Bryan, M, Bulik, T, Capasso, M, Casanova, S, Cerruti, M, Chakraborty, N, Chalme-Calvet, R, Chaves, Rcg, Chen, A, Chevalier, J, Chretien, M, Colafrancesco, S, Cologna, G, Condon, B, Conrad, J, Cui, Y, Davids, Id, Decock, J, Degrange, B, Deil, C, Devin, J, de Wilt, P, Dirson, L, Djannati-Atai, A, Domainko, W, Donath, A, Drury, Lo, Dubus, G, Dutson, K, Dyks, J, Edwards, T, Egberts, K, Eger, P, Ernenwein, Jp, Eschbach, S, Farnier, C, Fegan, S, Fernandes, Mv, Fiasson, A, Fontaine, G, Forster, A, Funk, S, Fussling, M, Gabici, S, Gajdus, M, Gallant, Ya, Garrigoux, T, Giavitto, G, Giebels, B, Glicenstein, Jf, Gottschall, D, Goya, A, Grondin, Mh, Hadasch, D, Hahn, J, Haupt, M, Hawkes, J, Heinzelmann, G, Henri, G, Hermann, G, Hervet, O, Hinton, Ja, Hofmann, W, Hoischen, C, Holler, M, Horns, D, Ivascenko, A, Jacholkowska, A, Jamrozy, M, Janiak, M, Jankowsky, D, Jankowsky, F, Jingo, M, Jogler, T, Jouvin, L, Jung-Richardt, I, Kastendieck, Ma, Katarzynski, K, Kerszberg, D, Khelifi, B, Kieffer, M, King, J, Klepser, S, Klochkov, D, Kluzniak, W, Kolitzus, D, Komin, N, Kosack, K, Krakau, S, Kraus, M, Krayzel, F, Kruger, Pp, Laffon, H, Lamanna, G, Lau, J, Lees, Jp, Lefaucheur, J, Lefranc, V, Lemiere, A, Lemoine-Goumard, M, Lenain, Jp, Leser, E, Lohse, T, Lorentz, M, Liu, R, Lopez-Coto, R, Lypova, I, Marandon, V, Marcowith, A, Mariaud, C, Marx, R, Maurin, G, Maxted, N, Mayer, M, Meintjes, Pj, Meyer, M, Mitchell, Amw, Moderski, R, Mohamed, M, Mohrmann, L, Mora, K, Moulin, E, Murach, T, de Naurois, M, Niederwanger, F, Niemiec, J, Oakes, L, O'Brien, P, Odaka, H, Ottl, S, Ohm, S, Ostrowski, M, Oya, I, Padovani, M, Panter, M, Parsons, Rd, Pekeur, Nw, Pelletier, G, Perennes, C, Petrucci, Po, Peyaud, B, Piel, Q, Pita, S, Poon, H, Prokhorov, D, Prokoph, H, Puhlhofer, G, Punch, M, Quirrenbach, A, Raab, S, Reimer, A, Reimer, O, Renaud, M, de los Reyes, R, Rieger, F, Romoli, C, Rosier-Lees, S, Rowell, G, Rudak, B, Rulten, Cb, Sahakian, V, Salek, D, Sanchez, Da, Santangelo, A, Sasaki, M, Schlickeiser, R, Schulz, A, Schussler, F, Schwanke, U, Schwemmer, S, Settimo, M, Seyffert, A, Shafi, N, Shilon, I, Simoni, R, Sol, H, Spanier, F, Spengler, G, Spies, F, Stawarz, L, Steenkamp, R, Stegmann, C, Stinzing, F, Stycz, K, Sushch, I, Tavernet, Jp, Tavernier, T, Taylor, Am, Terrier, R, Tibaldo, L, Tiziani, D, Tluczykont, M, Trichard, C, Tuffs, R, Uchiyama, Y, van der Walt, Dj, van Eldik, C, van Rensburg, C, van Soelen, B, Vasileiadis, G, Veh, J, Venter, C, Viana, A, Vincent, P, Vink, J, Voisin, F, Volk, Hj, Vuillaume, T, Wadiasingh, Z, Wagner, Sj, Wagner, P, Wagner, Rm, White, R, Wierzcholska, A, Willmann, P, Wornlein, A, Wouters, D, Yang, R, Zabalza, V, Zaborov, D, Zacharias, M, Zanin, R, Zdziarski, Aa, Zech, A, Zefi, F, Ziegler, A, Zywucka, N, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7), Petroff, E., Burke-Spolaor, S., Keane, E. F., Mclaughlin, M. A., Miller, R., Andreoni, I., Bailes, M., Barr, E. D., Bernard, S. R., Bhandari, S., Bhat, N. D. R., Burgay, M., Caleb, M., Champion, D., Chandra, P., Cooke, J., Dhillon, V. S., Farnes, J. S., Hardy, L. K., Jaroenjittichai, P., Johnston, S., Kasliwal, M., Kramer, M., Littlefair, S. P., Macquart, J. P., Mickaliger, M., Possenti, A., Pritchard, T., Ravi, V., Rest, A., Rowlinson, A., Sawangwit, U., Stappers, B., Sullivan, M., Tiburzi, C., van Straten, W., Albert, A., André, M., Anghinolfi, M., Anton, G., Ardid, M., Aubert, J.-J., Avgitas, T., Baret, B., Barrios-Martí, J., Basa, S., Bertin, V., Biagi, S., Bormuth, R., Bourret, S., Bouwhuis, M.C., Bruijn, R., Brunner, J., Busto, J., Capone, A., Caramete, L., Carr, J., Celli, S., Chiarusi, T., Circella, M., Coelho, J.A.B., Coleiro, A., Coniglione, R., Costantini, H., Coyle, P., Creusot, A., Deschamps, A., De Bonis, G., Distefano, C., Palma, I. Di, Donzaud, C., Dornic, D., Drouhin, D., Eberl, T., El Bojaddaini, I., Elsässer, D., Enzenhöfer, A., Felis, I., Fusco, L.A., Galatà, S., Gay, P., Geißelsöder, S., Geyer, K., Giordano, V., Gleixner, A., Glotin, H., Grégoire, T., Gracia-Ruiz, R., Graf, K., Hallmann, S., van Haren, H., Heijboer, A.J., Hello, Y., Hernández-Rey, J.J., Hößl, J., Hofestädt, J., Hugon, C., Illuminati, G., James, C.W, de Jong, M., Jongen, M., Kadler, M., Kalekin, O., Katz, U., Kießling, D., Kouchner, A., Kreter, M., Kreykenbohm, I., Kulikovskiy, V., Lachaud, C., Lahmann, R., Lefèvre, D., Leonora, E., Lotze, M., Loucatos, S., Marcelin, M., Margiotta, A., Marinelli, A., Martínez-Mora, J.A., Mathieu, A., Mele, R., Melis, K., Michael, T., Migliozzi, P., Moussa, A., Mueller, C., Nezri, E., Păvălaş, G.E., Pellegrino, C., Perrina, C., Piattelli, P., Popa, V., Pradier, T., Quinn, L., Racca, C., Riccobene, G., Roensch, K., Sánchez-Losa, A., Saldaña, M., Salvadori, I., Samtleben, D. F. E., Sanguineti, M., Sapienza, P., Schnabel, J., Seitz, T., Sieger, C., Spurio, M., Stolarczyk, Th., Taiuti, M., Tayalati, Y., Trovato, A., Tselengidou, M., Turpin, D., Tönnis, C., Vallage, B., Vallée, C., Van Elewyck, V., Vivolo, D., Vizzoca, A., Wagner, S., Wilms, J., Zornoza, J.D., Zúñiga, J., Abdalla, H., Abramowski, A., Aharonian, F., Benkhali, F. Ait, Akhperjanian, A.G., Andersson, T., Angüner, E.O., Arrieta, M., Aubert, P., Backes, M., Balzer, A., Barnard, M., Becherini, Y., Becker Tjus, J., Berge, D., Bernhard, S., Bernlöhr, K., Blackwell, R., Böttcher, M., Boisson, C., Bolmont, J., Bordas, P., Bregeon, J., Brun, F., Brun, P., Bryan, M., Bulik, T., Capasso, M., Casanova, S., Cerruti, M., Chakraborty, N., Chalme-Calvet, R., Chaves, R.C.G., Chen, A., Chevalier, J., Chrétien, M., Colafrancesco, S., Cologna, G., Condon, B., Conrad, J., Cui, Y., Davids, I.D., Decock, J., Degrange, B., Deil, C., Devin, J., Dewilt, P., Dirson, L., Djannati-Ataï, A., Domainko, W., Donath, A., Drury, L.O’C., Dubus, G., Dutson, K., Dyks, J., Edwards, T., Egberts, K., Eger, P., Ernenwein, J.-P., Eschbach, S., Farnier, C., Fegan, S., Fernandes, M.V., Fiasson, A., Fontaine, G., Förster, A., Funk, S., Füßling, M., Gabici, S., Gajdus, M., Gallant, Y.A., Garrigoux, T., Giavitto, G., Giebels, B., Glicenstein, J.F., Gottschall, D., Goyal, A., Grondin, M.-H., Hadasch, D., Hahn, J., Haupt, M., Hawkes, J., Heinzelmann, G., Henri, G., Hermann, G., Hervet, O., Hinton, J.A., Hofmann, W., Hoischen, C., Holler, M., Horns, D., Ivascenko, A., Jacholkowska, A., Jamrozy, M., Janiak, M., Jankowsky, D., Jankowsky, F., Jingo, M., Jogler, T., Jouvin, L., Jung-Richardt, I., Kastendieck, M.A., Katarzyński, K., Kerszberg, D., Khélifi, B., Kieffer, M., King, J., Klepser, S., Klochkov, D., Kluźniak, W., Kolitzus, D., Komin, Nu., Kosack, K., Krakau, S., Kraus, M., Krayzel, F., Krüger, P.P., Laffon, H., Lamanna, G., Lau, J., Lees, J.-P., Lefaucheur, J., Lefranc, V., Lemière, A., Lemoine-Goumard, M., Lenain, J.-P., Leser, E., Lohse, T., Lorentz, M., Liu, R., López-Coto, R., Lypova, I., Marandon, V., Marcowith, A., Mariaud, C., Marx, R., Maurin, G., Maxted, N., Mayer, M., Meintjes, P.J., Meyer, M., Mitchell, A.M.W., Moderski, R., Mohamed, M., Mohrmann, L., Morå, K., Moulin, E., Murach, T., de Naurois, M., Niederwanger, F., Niemiec, J., Oakes, L., O’Brien, P., Odaka, H., Öttl, S., Ohm, S., Ostrowski, M., Oya, I., Padovani, M., Panter, M., Parsons, R.D., Pekeur, N.W., Pelletier, G., Perennes, C., Petrucci, P.-O., Peyaud, B., Piel, Q., Pita, S., Poon, H., Prokhorov, D., Prokoph, H., Pühlhofer, G., Punch, M., Quirrenbach, A., Raab, S., Reimer, A., Reimer, O., Renaud, M., Reyes, R. de lo, Rieger, F., Romoli, C., Rosier-Lees, S., Rowell, G., Rudak, B., Rulten, C.B., Sahakian, V., Salek, D., Sanchez, D.A., Santangelo, A., Sasaki, M., Schlickeiser, R., Schulz, A., Schüssler, F., Schwanke, U., Schwemmer, S., Settimo, M., Seyffert, A.S., Shafi, N., Shilon, I., Simoni, R., Sol, H., Spanier, F., Spengler, G., Spies, F., Stawarz, Ł., Steenkamp, R., Stegmann, C., Stinzing, F., Stycz, K., Sushch, I., Tavernet, J.-P., Tavernier, T., Taylor, A.M., Terrier, R., Tibaldo, L., Tiziani, D., Tluczykont, M., Trichard, C., Tuffs, R., Uchiyama, Y., Walt, D.J. van der, van Eldik, C., van Rensburg, C., van Soelen, B., Vasileiadis, G., Veh, J., Venter, C., Viana, A., Vincent, P., Vink, J., Voisin, F., Völk, H.J., Vuillaume, T., Wadiasingh, Z., Wagner, S.J., Wagner, P., Wagner, R.M., White, R., Wierzcholska, A., Willmann, P., Wörnlein, A., Wouters, D., Yang, R., Zabalza, V., Zaborov, D., Zacharias, M., Zanin, R., Zdziarski, A.A., Zech, A., Zefi, F., Ziegler, A., Żywucka, N., High Energy Astrophys. & Astropart. Phys (API, FNWI), KM3NeT (IHEF, IoP, FNWI), Faculty of Science, Gravitation and Astroparticle Physics Amsterdam, ATLAS (IHEF, IoP, FNWI), GRAPPA (ITFA, IoP, FNWI), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Observatoire de Paris, Centre de Physique des Particules de Marseille (CPPM), Aix Marseille Université (AMU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Aix Marseille Université (AMU)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS), Andre, M., Aubert, J. -J., Barrios-Marti, J., Bouwhuis, M. C., Coelho, J. A. B., Di Palma, I., Elsasser, D., Enzenhofer, A., Fusco, L. A., Galata, S., Geisselsoder, S., Gregoire, T., Heijboer, A. J., Hernandez-Rey, J. J., Hobl, J., Hofestadt, J., James, C. W., Kiebling, D., Lefevre, D., Martinez-Mora, J. A., Pavalas, G. E., Sanchez-Losa, A., Saldana, M., Stolarczyk, T., Tonnis, C., Vallee, C., Zornoza, J. D., Zuniga, J., Ait Benkhali, F., Akhperjanian, A. G., Anguner, E. O., Bernlohr, K., Bottcher, M., Chaves, R. C. G., Chretien, M., Davids, I. D., Djannati-Atai, A., Drury, L. O'C., Ernenwein, J. -P., Fernandes, M. V., Forster, A., Fubling, M., Gallant, Y. A., Glicenstein, J. F., Grondin, M. -H., Hinton, J. A., Kastendieck, M. A., Katarzynski, K., Khelifi, B., Kluzniak, W., Komin, N., Kruger, P. P., Lees, J. -P., Lemiere, A., Lenain, J. -P., Lopez-Coto, R., Meintjes, P. J., Mitchell, A. M. W., Mora, K., O'Brien, P., Ottl, S., Parsons, R. D., Pekeur, N. W., Petrucci, P. -O., Puhlhofer, G., de los Reyes, R., Rulten, C. B., Sanchez, D. A., Schussler, F., Seyffert, A. S., Stawarz, L., Tavernet, J. -P., Taylor, A. M., van der Walt, D. J., Volk, H. J., Wagner, S. J., Wagner, R. M., Wornlein, A., Zdziarski, A. A., Zywucka, N., Centre Tecnològic de Vilanova i la Geltrú, and Universitat Politècnica de Catalunya. LAB - Laboratori d'Aplicacions Bioacústiques
Subjects: Astrofísica, Astronomy, Astrophysics, Surveys, ISM: structure, Methods: data analysis, Polarization, Astronomy and Astrophysics, Space and Planetary Science, 01 natural sciences, Radio telescopes, data analysis [Methods], 010303 astronomy & astrophysics, High Energy Astrophysical Phenomena (astro-ph.HE), Physics, Line-of-sight, [SDU.ASTR]Sciences of the Universe [physics]/Astrophysics [astro-ph], Linear polarization, Fast radio burst, Galactic Center, ComputingMethodologies_DOCUMENTANDTEXTPROCESSING, Astrophysics - High Energy Astrophysical Phenomena, polarization–methods, dataanalysis–surveys–ISM, structure, Milky Way, Astrophysics::High Energy Astrophysical Phenomena, FOS: Physical sciences, Astrophysics::Cosmology and Extragalactic Astrophysics, Radio telescope, 0103 physical sciences, Neutrins, Neutrinos, Astrophysics::Galaxy Astrophysics, Astroparticle physics, Telescopis, 010308 nuclear & particles physics, Galactic plane, Física::Astronomia i astrofísica [Àrees temàtiques de la UPC], FISICA APLICADA, ddc:520, polarization – methods: data analysis – surveys – ISM: structure, structure [ISM], Methods: data analysi
Abstract: Monthly notices of the Royal Astronomical Society 469(4), 4465 – 4482 (2017). doi:10.1093/mnras/stx1098, We report on the discovery of a new fast radio burst (FRB), FRB 150215, with the Parkes radio telescope on 2015 February 15. The burst was detected in real time with a dispersion measure (DM) of 1105.6 ± 0.8 pc cm$^{−3}$, a pulse duration of 2.8 $^{+1.2}_{-0.5}$ ms, and a measured peak flux density assuming that the burst was at beam centre of 0.7$^{+0.2}_{-0.1}$ Jy. The FRB originated at a Galactic longitude and latitude of 24.66°, 5.28° and 25° away from the Galactic Center. The burst was found to be 43 ± 5 per cent linearly polarized with a rotation measure (RM) in the range −9, Published by Oxford Univ. Press, Oxford
Published: 2017

25. The XXL Survey

Author: Paul Giles, Cathy Horellou, Stefano Ettori, Elias Koulouridis, C. Lidman, V. Smolvcic, Mark Birkinshaw, C. Adami, M. Bolzonella, S. Paltani, T. Sadibekova, Matt S. Owers, R. J. Tuffs, Florian Pacaud, L. Chiappetti, B. Garilli, L. Guennou, S. Maurogordato, Jochen Liske, Andrii Elyiv, Trevor J. Ponman, Meiert W. Grootes, A. Iovino, M. E. Ramos Ceja, Mauro Sereno, Michael J. I. Brown, Sean L. McGee, J. L. Willis, Bruno Altieri, I. Valtchanov, Andrew M. Hopkins, Ivan K. Baldry, Angela Bongiorno, S. Fotoupoulou, Aaron S. G. Robotham, Bianca M. Poggianti, V. Guglielmo, Cristian Vignali, Simon P. Driver, August E. Evrard, Fabio Gastaldello, Benedetta Vulcani, M. Plionis, Marco Scodeggio, Marguerite Pierre, University of St Andrews. School of Physics and Astronomy, Guglielmo, V., Poggianti, B.M., Vulcani, B., Adami, C., Gastaldello, F., Ettori, S., Fotoupoulou, S., Koulouridis, E., Ramos Ceja, M.E., Giles, P., McGee, S., Altieri, B., Baldry, I., Birkinshaw, M., Bolzonella, M., Bongiorno, A., Brown, M., Chiappetti, L., Driver, S., Elyiv, A., Evrard, A., Garilli, B., Grootes, M., Guennou, L., Hopkins, A., Horellou, C., Iovino, A., Lidman, C., Liske, J., Maurogordato, S., Owers, M., Pacaud, F., Paltani, S., Pierre, M., Plionis, M., Ponman, T., Robotham, A., Sadibekova, T., Scodeggio, M., Sereno, M., Smolčić, V., Tuffs, R., Valtchanov, I., Vignali, C., Willis, J., Laboratoire d'Astrophysique de Marseille (LAM), and Aix Marseille Université (AMU)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)
Subjects: luminosity function, mass function [Galaxies], Stellar mass, astro-ph.GA, FOS: Physical sciences, Astrophysics, clusters: general [Galaxies], 01 natural sciences, Virial theorem, galaxies: groups: general, 0103 physical sciences, QB Astronomy, Infrarot-Astrophysik - Abteilung Hinton, 010303 astronomy & astrophysics, QC, luminosity function [galaxies], QB, Physics, [SDU.ASTR]Sciences of the Universe [physics]/Astrophysics [astro-ph], 85A04, 010308 nuclear & particles physics, X-ray, DAS, Astronomy and Astrophysics, Virial mass, evolution [Galaxies], Astrophysics - Astrophysics of Galaxies, NATURAL SCIENCES. Physics, Redshift, Galaxy, PRIRODNE ZNANOSTI. Fizika, galaxies: luminosity function, groups: general [Galaxies], QC Physics, [SDU]Sciences of the Universe [physics], galaxies: clusters: general, mass function, Space and Planetary Science, Homogeneous, Astrophysics of Galaxies (astro-ph.GA), X-rays: galaxies: clusters, galaxies: luminosity function, mass function, galaxies: clusters [X-rays], Halo, galaxies: evolution
Abstract: The fraction of galaxies bound in groups in the nearby Universe is high (50% at z~0). Systematic studies of galaxy properties in groups are important in order to improve our understanding of the evolution of galaxies and of the physical phenomena occurring within this environment. We have built a complete spectrophotometric sample of galaxies within X-ray detected, optically spectroscopically confirmed groups and clusters (G&C), covering a wide range of halo masses at z, 20 pages, 18 figures, 6 tables, accepted for publication in A&A
Published: 2018

26. Herschel-ATLAS: multi-wavelength SEDs and physical properties of 250 μm selected galaxies atz< 0.5

Author: E. Ibar, A. Verma, Kate Rowlands, Pasquale Temi, James Dunlop, David Bonfield, Maarten Baes, Loretta Dunne, G. de Zotti, Stéphane Charlot, E. da Cunha, D. L. Clements, Rob Ivison, Simon P. Driver, Matt J. Jarvis, Steve Eales, D. J. B. Smith, N. Bourne, H. L. Gomez, B. F. Madore, Mark Seibert, R. J. Tuffs, P. van der Werf, E. E. Rigby, Douglas Scott, Simon Dye, L. Kelvin, Aaron S. G. Robotham, S. J. Maddox, A. Dariush, S. Buttiglione, Jacopo Fritz, Asantha Cooray, E. Andrae, M. Pohlen, Antonio Cava, M. Symeonidis, Robbie Richard Auld, Nick Seymour, Cristina Popescu, and R. Hopwood
Subjects: Physics, COSMIC cancer database, 010308 nuclear & particles physics, Star formation, Infrared, Astronomy and Astrophysics, Astrophysics::Cosmology and Extragalactic Astrophysics, Astrophysics, Star (graph theory), 01 natural sciences, Galaxy, Redshift, Luminosity, Photometry (optics), Space and Planetary Science, 0103 physical sciences, Astrophysics::Solar and Stellar Astrophysics, Astrophysics::Earth and Planetary Astrophysics, 010303 astronomy & astrophysics, Astrophysics::Galaxy Astrophysics
Abstract: We present a pan-chromatic analysis of an unprecedented sample of 1402 250 micron-selected galaxies at z < 0.5 (mean z = 0.24) from the Herschel-ATLAS survey. We complement our Herschel 100-500 micron data with UV-K-band photometry from the Galaxy And Mass Assembly (GAMA) survey and apply the MAGPHYS energy-balance technique to produce pan-chromatic SEDs for a representative sample of 250 micron selected galaxies spanning the most recent 5 Gyr of cosmic history. We derive estimates of physical parameters, including star formation rates, stellar masses, dust masses and infrared luminosities. The typical H-ATLAS galaxy at z < 0.5 has a far-infrared luminosity in the range 10^10 - 10^12 Lsolar (SFR: 1-50 Msolar/yr) thus is broadly representative of normal star forming galaxies over this redshift range. We show that 250 micron-selected galaxies contain a larger mass of dust at a given infra-red luminosity or star formation rate than previous samples selected at 60 micron from IRAS. We derive typical SEDs for H-ATLAS galaxies, and show that the emergent SED shape is most sensitive to specific star formation rate. The optical-UV SEDs also become more reddened due to dust at higher redshifts. Our template SEDs are significantly cooler than existing infra-red templates. They may therefore be most appropriate for inferring total IR luminosities from moderate redshift submillimetre selected samples and for inclusion in models of the lower redshift submillimetre galaxy populations.
Published: 2012

27. Herschel-ATLAS/GAMA: spatial clustering of low-redshift submm galaxies

Author: A. Dariush, Steve Eales, Scott M. Croom, Matt J. Jarvis, G. Rodighiero, Maarten Baes, G. de Zotti, R. J. Tuffs, Pasquale Temi, I. Valtchanov, Ivan K. Baldry, Douglas Scott, Rob Ivison, L. Kelvin, Denis Hill, D. J. B. Smith, Michał J. Michałowski, Cristina Popescu, David Bonfield, Steve Serjeant, R. G. Sharp, Loretta Dunne, John A. Peacock, Robbie Richard Auld, James Dunlop, Enzo Pascale, Jochen Liske, S. Buttiglione, Ewan Cameron, E. Ibar, S. J. Maddox, Steven P. Bamford, Simon P. Driver, E. E. Rigby, Antonio Cava, H. Parkinson, Jacopo Fritz, P. van der Werf, Asantha Cooray, E. van Kampen, D. H. P. Jones, M. Pohlen, Jonathan Loveday, Matthew Prescott, Aaron S. G. Robotham, Peder Norberg, and Andrew M. Hopkins
Subjects: Physics, Astronomy and Astrophysics, Astrophysics::Cosmology and Extragalactic Astrophysics, Astrophysics, 01 natural sciences, Galaxy, Redshift, medicine.anatomical_structure, Space and Planetary Science, Atlas (anatomy), 0103 physical sciences, medicine, Spatial clustering, 010306 general physics, Cluster analysis, 010303 astronomy & astrophysics, Astrophysics::Galaxy Astrophysics
Abstract: We have measured the clustering properties of low-redshift (z < 0.3) sub-mm galaxies detected at 250 micron in the Herschel-ATLAS Science Demonstration Phase (SDP) field. We selected a sample for which we have high-quality spectroscopic redshifts, obtained from reliably matching the 250-micron sources to a complete (for r < 19.4) sample of galaxies from the GAMA database. Both the angular and spatial clustering strength are measured for all z < 0.3 sources as well as for five redshift slices with thickness delta z=0.05 in the range 0.05 < z < 0.3. Our measured spatial clustering length r_0 is comparable to that of optically-selected, moderately star-forming (blue) galaxies: we find values around 5 Mpc. One of the redshift bins contains an interesting structure, at z = 0.164.
Published: 2012

28. Galaxy And Mass Assembly (GAMA): stellar mass estimates

Author: William J. Sutherland, Aaron S. G. Robotham, H. Parkinson, Ivan K. Baldry, Sarah Brough, Jon Loveday, Michael J. I. Brown, D. H. P. Jones, Konrad Kuijken, Scott M. Croom, Andrew M. Hopkins, D. Wijesinghe, Matthew Colless, David T. Hill, Joss Bland-Hawthorn, Kevin A. Pimbblet, R. G. Sharp, Jochen Liske, Cristina Popescu, Ewan Cameron, S. Phillipps, Madusha Gunawardhana, Simon P. Driver, John A. Peacock, R. J. Tuffs, Eelco van Kampen, Robert C. Nichol, Edward N. Taylor, C. J. Conselice, Matthew Prescott, Peder Norberg, Steven P. Bamford, Daniel Thomas, Lee S. Kelvin, and Carlos S. Frenk
Subjects: Physics, Stellar mass, Stellar population, 010308 nuclear & particles physics, Estimator, Astronomy and Astrophysics, Astrophysics::Cosmology and Extragalactic Astrophysics, Astrophysics, Redshift survey, 01 natural sciences, Galaxy, Photometry (optics), Space and Planetary Science, 0103 physical sciences, Astrophysics::Solar and Stellar Astrophysics, Astrophysics::Earth and Planetary Astrophysics, 010303 astronomy & astrophysics, Stellar evolution, Data release, Astrophysics::Galaxy Astrophysics
Abstract: This paper describes the first catalogue of photometrically-derived stellar mass estimates for intermediate-redshift (z < 0.65) galaxies in the Galaxy And Mass Assembly (GAMA) spectroscopic redshift survey. These masses, as well as the full set of ancillary stellar population parameters, will be made public as part of GAMA data release 2. Although the GAMA database does include NIR photometry, we show that the quality of our stellar population synthesis fits is significantly poorer when these NIR data are included. Further, for a large fraction of galaxies, the stellar population parameters inferred from the optical-plus-NIR photometry are formally inconsistent with those inferred from the optical data alone. This may indicate problems in our stellar population library, or NIR data issues, or both; these issues will be addressed for future versions of the catalogue. For now, we have chosen to base our stellar mass estimates on optical photometry only. In light of our decision to ignore the available NIR data, we examine how well stellar mass can be constrained based on optical data alone. We use generic properties of stellar population synthesis models to demonstrate that restframe colour alone is in principle a very good estimator of stellar mass-to-light ratio, M*/Li. Further, we use the observed relation between restframe (g-i) and M*/Li for real GAMA galaxies to argue that, modulo uncertainties in the stellar evolution models themselves, (g-i) colour can in practice be used to estimate M*/Li to an accuracy of < ~0.1 dex. This 'empirically calibrated' (g-i)-M*/Li relation offers a simple and transparent means for estimating galaxies' stellar masses based on minimal data, and so provides a solid basis for other surveys to compare their results to z < ~0.4 measurements from GAMA.
Published: 2011

29. Herschel★-ATLAS: rapid evolution of dust in galaxies over the last 5 billion years

Author: P. van der Werf, David Bonfield, C. Vlahakis, D. J. B. Smith, G. Rodighiero, Pasquale Temi, Simon Dye, Simon P. Driver, Robbie Richard Auld, G. de Zotti, Steve Serjeant, N. Bourne, S. Buttiglione, Matt J. Jarvis, Maarten Baes, A. Dariush, Loretta Dunne, Jacopo Fritz, M. Pohlen, Asantha Cooray, Maggie A. Thompson, Aaron S. G. Robotham, S. J. Maddox, Antonio Cava, Enzo Pascale, James E. Geach, E. E. Rigby, H. L. Gomez, Rob Ivison, L. Kelvin, Stéphane Charlot, D. L. Clements, Cristina Popescu, R. Hopwood, E. da Cunha, E. Ibar, Anne E. Sansom, K. Coppin, Kate Rowlands, Steve Eales, and R. J. Tuffs
Subjects: Physics, Star formation, media_common.quotation_subject, Astronomy and Astrophysics, Astrophysics::Cosmology and Extragalactic Astrophysics, Astrophysics, Mass ratio, Billion years, Galaxy, Redshift, Universe, Space and Planetary Science, Optical depth (astrophysics), Astrophysics::Solar and Stellar Astrophysics, Spectral energy distribution, Astrophysics::Earth and Planetary Astrophysics, Astrophysics::Galaxy Astrophysics, media_common
Abstract: We present the first direct and unbiased measurement of the evolution of the dust mass function of galaxies over the past 5 billion years of cosmic history using data from the Science Demonstration Phase of the Herschel-ATLAS. The sample consists of galaxies selected at 250{\mu}m which have reliable counterparts from SDSS at z < 0.5, and contains 1867 sources. Dust masses are calculated using both a single temperature grey-body model for the spectral energy distribution and also using a model with multiple temperature components. The dust temperature for either model shows no trend with redshift. Splitting the sample into bins of redshift reveals a strong evolution in the dust properties of the most massive galaxies. At z = 0.4 - 0.5, massive galaxies had dust masses about five times larger than in the local Universe. At the same time, the dust-to-stellar mass ratio was about 3-4 times larger, and the optical depth derived from fitting the UV-sub-mm data with an energy balance model was also higher. This increase in the dust content of massive galaxies at high redshift is difficult to explain using standard dust evolution models and requires a rapid gas consumption timescale together with either a more top-heavy IMF, efficient mantle growth, less dust destruction or combinations of all three. This evolution in dust mass is likely to be associated with a change in overall ISM mass, and points to an enhanced supply of fuel for star formation at earlier cosmic epochs.
Published: 2011

30. Galaxy and Mass Assembly (GAMA): galaxies at the faint end of the Hα luminosity function

Author: Denis Hill, R. J. Tuffs, R. G. Sharp, Scott M. Croom, Cristina Popescu, M. L. P. Gunawardhana, E. N. Taylor, William J. Sutherland, Carlos S. Frenk, Robert C. Nichol, Aaron S. G. Robotham, Jochen Liske, John A. Peacock, K. Kuijken, Simon P. Driver, Steven P. Bamford, H. Parkinson, Caroline Foster, Ewan Cameron, Jonathan Loveday, J. Bland-Hawthorn, Daniel Thomas, K. Pimbblet, Andrew M. Hopkins, Matthew Prescott, Ivan K. Baldry, Peder Norberg, Michael J. I. Brown, E. van Kampen, L. Kelvin, David Heath Jones, D. Wijesinghe, and Sarah Brough
Subjects: Physics, Stars, Space and Planetary Science, Star formation, Low density, Astrophysics::Solar and Stellar Astrophysics, Astronomy and Astrophysics, Astrophysics::Earth and Planetary Astrophysics, Astrophysics::Cosmology and Extragalactic Astrophysics, Astrophysics, Astrophysics::Galaxy Astrophysics, Galaxy, Luminosity function (astronomy)
Abstract: We present an analysis of the properties of the lowest Halpha-luminosity galaxies (L_Halpha 10^10 Msun. The low SFR systems are found to exist predominantly in the lowest density environments (median density ~0.02 galaxy Mpc^-2 with none in environments more dense than ~1.5 galaxy Mpc^-2). Their current specific star formation rates (SSFR; -8.5 < log(SSFR[yr^-1])
Published: 2011

31. Far-infrared and submillimetre observations of the Crab nebula

Author: David A. Green, Cristina Popescu, and R. J. Tuffs
Subjects: Physics, Spectral index, Astrophysics::High Energy Astrophysical Phenomena, Astronomy and Astrophysics, Astrophysics::Cosmology and Extragalactic Astrophysics, Astrophysics, Synchrotron, Spectral line, law.invention, Wavelength, Supernova, Crab Nebula, Far infrared, Space and Planetary Science, law, Astrophysics::Earth and Planetary Astrophysics, Astrophysics::Galaxy Astrophysics, Line (formation)
Abstract: We present FIR and sub-mm images of the Crab nebula, taken with ISOPHOT on board ISO and with the SCUBA on the JCMT. The ISOPHOT observations were made at 60, 100, 170 micron, with FWHM of equivalent area Gaussian beams of 44, 47 and 93 arcsec, respectively. The 850 micron SCUBA image has a Gaussian FWHM of 17 arcsec. The 60 and 100 micron images show clear excess of emission above that expected from an extrapolation of the synchrotron spectrum of the Crab nebula from lower frequencies. The ISOPHOT images reveal that about half this excess is attributable to two peaks, separated by approximately 80 arcsec. We also present spectra taken using the LWS on board ISO, which show that the FIR excess is not due to line emission. The lower resolution 170 micron image does not show any excess emission. These findings are consistent with a picture in which the FIR excess is due to emission from a small amount of warm dust which radiates predominantly at 60 and 100 micron micron but not at 170 micron, and which is superimposed on a synchrotron spectrum which gradually steepens towards shorter wavelengths throughout the FIR and MIR spectral range. The dust geometry is consistent with a torus of diameter approximately 0.8 pc created by the supernova progenitor, superimposed upon a broadly distributed component which may be supernova condensates in the filaments. The dust-to-gas ratio in the filaments is comparable to the interstellar value. To study spectral index variations in the radio synchrotron emission we compared the 850-micron image with a 20-cm VLA image. These images are very similar, implying that there is little variation in spectral index across the face of the remnant between these wavelengths.
Published: 2004

32. Sun, Solar System, Stars, Interstellar Matter, Galaxy, Extragalactic Systems, Instruments, History of Astronomy

Author: R. J. Tuffs, David A. Green, and Cristina Popescu
Subjects: Wavelength, Crab Nebula, Space and Planetary Science, Astronomy, Astronomy and Astrophysics, Astrophysics, Trough (meteorology), Geology
Published: 2004

33. Infrared emission towards SN 1987A, 11 years after outburst: Properties of the circumstellar dust

Author: Jg. Fischera, R. J. Tuffs, and H. J. Voelk
Subjects: Physics, Infrared, Astrophysics::High Energy Astrophysical Phenomena, Evaporation, Astronomy and Astrophysics, Astrophysics::Cosmology and Extragalactic Astrophysics, Astrophysics, Silicate, chemistry.chemical_compound, Supernova, Stars, chemistry, Space and Planetary Science, Astrophysics::Solar and Stellar Astrophysics, Circumstellar dust, Spectral energy distribution, Red supergiant, Astrophysics::Earth and Planetary Astrophysics, Astrophysics::Galaxy Astrophysics
Abstract: Detailed models are presented for the late epoch mid infrared (MIR) emission from collisionally heated grains in the shocked circumstellar gas around SN 1987A. Thermal dust emission from a region of moderate density interior to the thick inner ring seen with the Hubble Space Telescope (HST) is found to be a natural explanation for the MIR spectral energy distribution measured by ISOCAM. The MIR-spectrum can be reproduced by a mixture of silicate-iron or silicate-graphite grains or by a composition of pure graphite grains. A composition of pure iron grains on the other hand can be excluded and a pure silicate composition does not seem to be very likely. The dust-to-gas ratio in the interaction zone is ~0.01%, an order of magnitude lower than estimates for dust abundances in the winds of red supergiant (RSG) stars in the LMC. This low dust abundance can be accounted for by a combination of evaporation through the UV-flash from the supernova outburst and subsequent sputtering in the shocked gas. For this explanation to hold, dust in the pre-supernova circumstellar medium (CSM) would have to have been predominantly composed of grains other than graphite, with a maximum size smaller than ~0.1 microns.
Published: 2002

34. Galaxy and Mass Assembly (GAMA): Exploring the WISE Web in G12

Author: Thomas H. Jarrett, Mehmet Alpaslan, John A. Peacock, Sarah Brough, Michael J. I. Brown, Simon P. Driver, Scott M. Croom, Joss Bland-Hawthorn, Cristina Popescu, Maciej Bilicki, Andrew M. Hopkins, R. J. Tuffs, Lijun Wang, Elaine M. Sadler, Peder Norberg, Michelle E. Cluver, Jonathan Loveday, Christina Magoulas, Benne W. Holwerda, Edward N. Taylor, and University of St Andrews. School of Physics and Astronomy
Subjects: Stellar mass, Large-scale structure of universe, Scale (descriptive set theory), Astrophysics::Cosmology and Extragalactic Astrophysics, Astrophysics, 01 natural sciences, Apparent magnitude, statistics [Galaxies], galaxies [Infrared], 0103 physical sciences, QB Astronomy, Cluster analysis, 010303 astronomy & astrophysics, QC, Astrophysics::Galaxy Astrophysics, QB, Luminosity function (astronomy), Luminous infrared galaxy, Physics, 010308 nuclear & particles physics, Astronomy and Astrophysics, 3rd-DAS, evolution [Galaxies], Galaxy, Redshift, QC Physics, Space and Planetary Science
Abstract: We present an analysis of the mid-infrared WISE sources seen within the equatorial GAMA G12 field, located in the North Galactic Cap. Our motivation is to study and characterize the behavior of WISE source populations in anticipation of the deep multi-wavelength surveys that will define the next decade, with the principal science goal of mapping the 3D large scale structures and determining the global physical attributes of the host galaxies. In combination with cosmological redshifts, we identify galaxies from their WISE W1 (3.4μm) resolved emission, and by performing a star-galaxy separation using apparent magnitude, colors and statistical modeling of star-counts. The resultant galaxy catalog has ≃590,000 sources in 60 deg², reaching a W1 5-σ depth of 31 μJy. At the faint end, where redshifts are not available, we employ a luminosity function analysis to show that approximately 27% of all WISE extragalactic sources to a limit of 17.5 mag (31 uJy) are at high redshift, z > 1. The spatial distribution is investigated using two-point correlation functions and a 3D source density characterization at 5 Mpc and 20 Mpc scales. For angular distributions, we find brighter and more massive sources are strongly clustered relative to fainter and lower mass source; likewise, based on WISE colors, spheroidal galaxies have the strongest clustering, while late-type disk galaxies have the lowest clustering amplitudes. Along the radial direction, the strongest clustering is in the largest redshift shell, while the weakest is in the nearest redshift shell, consistent with the stellar mass and morphological type dependency results. In three dimensions, we find a number of distinct groupings, often bridged by filaments and super-structures. Using special visualization tools, we map these structures, exploring how clustering may play a role with stellar mass and galaxy type.
Published: 2017

35. GALAXY AND MASS ASSEMBLY (GAMA): MID-INFRARED PROPERTIES AND EMPIRICAL RELATIONS FROM

Author: M. E. Cluver, T. H. Jarrett, A. M. Hopkins, S. P. Driver, J. Liske, M. L. P. Gunawardhana, E. N. Taylor, A. S. G. Robotham, M. Alpaslan, I. Baldry, M. J. I. Brown, J. A. Peacock, C. C. Popescu, R. J. Tuffs, A. E. Bauer, J. Bland-Hawthorn, M. Colless, B. W. Holwerda, M. A. Lara-Lxf3pez, K. Leschinski, A. R. Lxf3pez-Sxe1nchez, P. Norberg, M. S. Owers, L. Wang, and S. M. Wilkins
Published: 2014

36. Shock-Enhanced C+ Emission and the Detection of H2O from Stephan's Quintet's Group-Wide Shock using Herschel

Author: R. J. Tuffs, G. Pineau des Forêts, F. Boulanger, M. E. Cluver, Kevin Xu, B. W. Peterson, Pierre Guillard, E. Falgarone, Thomas H. Jarrett, Ewan O'Sullivan, Ute Lisenfeld, Eckhard Sturm, Sarah Gallagher, Pierre-Alain Duc, Yang Gao, S. D. Lord, I. Valchanov, P. van der Werf, P. N. Appleton, P. M. Ogle, C. Struck, N. Y. Lu, Iraklis S. Konstantopoulos, Infrared Processing and Analysis Center (IPAC), California Institute of Technology (CALTECH), Institut d'Astrophysique de Paris (IAP), Institut national des sciences de l'Univers (INSU - CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Institut d'astrophysique spatiale (IAS), Université Paris-Sud - Paris 11 (UP11)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Centre National d’Études Spatiales [Paris] (CNES), Observatoire de Paris, Université Paris sciences et lettres (PSL), Astrophysique Interprétation Modélisation (AIM (UMR7158 / UMR_E_9005 / UM_112)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Institute of Earthquake Science, Departamento Física Teórica y del Cosmos, Instituto de Astrofísica de Andalucía (IAA), Consejo Superior de Investigaciones Científicas [Madrid] (CSIC)-Consejo Superior de Investigaciones Científicas [Madrid] (CSIC)-Universidad de Granada = University of Granada (UGR), Max Planck Institute for Extraterrestrial Physics (MPE), Max-Planck-Gesellschaft, Leiden Observatory [Leiden], Universiteit Leiden, Laboratoire de Chimie de la Matière Condensée de Paris (site Paris VI) (LCMCP (site Paris VI)), Université Pierre et Marie Curie - Paris 6 (UPMC)-Collège de France (CdF (institution))-Ecole Nationale Supérieure de Chimie de Paris - Chimie ParisTech-PSL (ENSCP), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS), Université Paris-Sud - Paris 11 (UP11)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS), Astrophysique Interprétation Modélisation (AIM (UMR_7158 / UMR_E_9005 / UM_112)), Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris Diderot - Paris 7 (UPD7), Consejo Superior de Investigaciones Científicas [Madrid] (CSIC)-Consejo Superior de Investigaciones Científicas [Madrid] (CSIC)-Universidad de Granada (UGR), Universiteit Leiden [Leiden], Department of Astronomy, and Faculty of Science
Subjects: Cosmology and Nongalactic Astrophysics (astro-ph.CO), Astrophysics::High Energy Astrophysical Phenomena, galaxies: groups: individual (Stephan's Quintet), FOS: Physical sciences, Cosmic ray, Astrophysics, Astrophysics::Cosmology and Extragalactic Astrophysics, Kinetic energy, 01 natural sciences, infrared: galaxies, Protein filament, 0103 physical sciences, 010303 astronomy & astrophysics, ComputingMilieux_MISCELLANEOUS, Astrophysics::Galaxy Astrophysics, Line (formation), Physics, [PHYS]Physics [physics], Shock (fluid dynamics), 010308 nuclear & particles physics, Astronomy and Astrophysics, Galaxies, Astrophysics - Astrophysics of Galaxies, Galaxy, 13. Climate action, Space and Planetary Science, Astrophysics of Galaxies (astro-ph.GA), Stephan's Quintet, Intergalactic travel, Astrophysics::Earth and Planetary Astrophysics, [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph], Excitation, Astrophysics - Cosmology and Nongalactic Astrophysics, Galaxy Astrophysics
Abstract: We present the first Herschel spectroscopic detections of the [OI]63 and [CII]158 micron fine-structure transitions, and a single para-H2O line from the 35 x 15 kpc^2 shocked intergalactic filament in Stephan's Quintet. The filament is believed to have been formed when a high-speed intruder to the group collided with clumpy intergroup gas. Observations with the PACS spectrometer provide evidence for broad (> 1000 km s^-1) luminous [CII] line profiles, as well as fainter [OI]63micron emission. SPIRE FTS observations reveal water emission from the p-H2O (111-000) transition at several positions in the filament, but no other molecular lines. The H2O line is narrow, and may be associated with denser intermediate-velocity gas experiencing the strongest shock-heating. The [CII]/PAH{tot) and [CII]/FIR ratios are too large to be explained by normal photo-electric heating in PDRs. HII region excitation or X-ray/Cosmic Ray heating can also be ruled out. The observations lead to the conclusion that a large fraction the molecular gas is diffuse and warm. We propose that the [CII], [OI] and warm H2 line emission is powered by a turbulent cascade in which kinetic energy from the galaxy collision with the IGM is dissipated to small scales and low-velocities, via shocks and turbulent eddies. Low-velocity magnetic shocks can help explain both the [CII]/[OI] ratio, and the relatively high [CII]/H2 ratios observed. The discovery that [CII] emission can be enhanced, in large-scale turbulent regions in collisional environments has implications for the interpretation of [CII] emission in high-z galaxies., 18-pages, 10 figures Accepted for ApJ
Published: 2013
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37. Galaxy And Mass Assembly (GAMA): the 0.013 < z < 0.1 cosmic spectral energy distribution from 0.1 m to 1 mm

Author: J. Liske, M. L. P. Gunawardhana, E. N. Taylor, E. Andrae, R. G. Sharp, Ivan K. Baldry, Mehmet Alpaslan, William J. Sutherland, Steven P. Bamford, Aaron S. G. Robotham, Matthew Prescott, R. J. Tuffs, D. H. P. Jones, Denis Hill, Michael Brown, L. Kelvin, Peder Norberg, John A. Peacock, Loretta Dunne, H. Parkinson, Stephen M. Wilkins, C. J. Conselice, Jonathan Loveday, Ewan Cameron, Sarah Brough, Matthew Colless, Carlos S. Frenk, J. Bland-Hawthorn, Kevin A. Pimbblet, Simon P. Driver, Scott M. Croom, B. F. Madore, Alister W. Graham, N. Bourne, Mark Seibert, Andrew M. Hopkins, Robert C. Nichol, David Thomas, D. Wijesinghe, K. Kuijken, Cristina Popescu, E. van Kampen, S. Phillipps, Science & Technology Facilities Council, University of St Andrews. University of St Andrews, and University of St Andrews. School of Physics and Astronomy
Subjects: Stellar mass, media_common.quotation_subject, Astrophysics, Astrophysics::Cosmology and Extragalactic Astrophysics, Surveys, Luminosity, galaxies. [Infrared], QB Astronomy, Astrophysics::Solar and Stellar Astrophysics, observations [Cosmology], Astrophysics::Galaxy Astrophysics, media_common, QB, Physics, COSMIC cancer database, Astronomy and Astrophysics, general [Galaxies], Cosmic variance, luminosity function [Galaxies], Universe, Galaxy, Space and Planetary Science, Mass function, fundamental parameters [Galaxies], Spectral energy distribution, Energy (signal processing)
Abstract: We use the Galaxy And Mass Assembly survey (GAMA) I data set combined with GALEX, Sloan Digital Sky Survey (SDSS) and UKIRT Infrared Deep Sky Survey (UKIDSS) imaging to construct the low-redshift (z
Published: 2012

38. Dust Emission from Stephan’s Quintet

Author: G. Natale, R. J. Tuffs, J. Fischera, N. Lu, C. C. Popescu, C. K. Xu, P. Appleton, F. Boulanger, M. Dopita, P. Duc, Y. Gao, P. Ogle, G. Pineau des Forets, W. Reach, J. Sulentic, M. Yun, and Victor P. Debattista
Subjects: Physics, Spiral galaxy, Infrared, Star formation, Astrophysics::High Energy Astrophysical Phenomena, Astronomy, Astrophysics::Cosmology and Extragalactic Astrophysics, Astrophysics, Galaxy, Wavelength, Intergalactic medium, Astrophysics::Earth and Planetary Astrophysics, Halo, Astrophysics::Galaxy Astrophysics, Dust emission
Abstract: We present new infrared images of the prototype of galaxy compact groups, Stephan’s Quintet (SQ), taken with Spitzer/MIPS at 24, 70 and 160 μm, and compare these with existing images at X‐ray, UV/optical, radio wavelengths as well as with archival Spitzer/IRAC imaging at 8 μm. The new images reveal an extended (on scales of up to ca. 70 kpc) component of FIR emission which is roughly correlated with diffuse soft X‐ray emission arising from the so‐called SHOCK and HALO regions. A further interesting aspect of this study is the displacement of the main star formation sites from the central galaxy disks to the peripheries of the galaxies or to the intergalactic medium (IGM).
Published: 2010

39. Bright FIR emission from the circumstellar torus in the Crab nebula

Author: David A. Green, Cristina Popescu, and R. J. Tuffs
Subjects: Physics, Full width at half maximum, Crab Nebula, Far infrared, law, Resolution (electron density), Extrapolation, Astronomy, Angular resolution, Astrophysics, Synchrotron, Cosmic dust, law.invention
Abstract: ISOPHOT far‐infrared and SCUBA sub‐mm images of the Crab nebula are presented. The ISOPHOT observations were made in the bands centred at 60, 100, 170 μm, with FWHM of equivalent area Gaussian beams of 44, 47 and 93 arcsec, respectively. The 850 μm SCUBA image was processed using a Maximum Entropy Method algorithm and has a Gaussian FWHM of 17 arcsec. The 60 and 100 μm images show clear excess of emission, above that expected from an extrapolation of the synchrotron spectrum of the Crab nebula from lower frequencies, as previously seen from IRAS observations. The superior angular resolution of the ISOPHOT images reveal that about half this excess is attributable to two peaks, separated by ≈ 80 arcsec. The lower resolution 170 μm image does not show any excess emission, but is possibly fainter, particularly in the NW, than expected from an extrapolation of the lower‐frequency synchrotron emission. These findings are consistent with a picture in which the FIR excess is due to emission from a small amount of...
Published: 2005

40. A comparative study of the spatial distribution of ultraviolet and far-infrared fluxes from M 101

Author: A. Gil de Paz, B. F. Madore, Roger F. Malina, Y. W. Lee, David Schiminovich, Peter G. Friedman, Patrick N. Jelinsky, Cristina Popescu, Jose Donas, Y. I. Byun, B. Milliard, Timothy M. Heckman, Luciana Bianchi, R. J. Tuffs, Heinrich J. Völk, Alexander S. Szalay, Barry Y. Welsh, Karl Forster, Susan G. Neff, Tom A. Barlow, Christopher Martin, R. M. Rich, Ted K. Wyder, T. Small, Patrick Morrissey, O. H. W. Siegmund, Laboratoire d'Astrophysique de Marseille (LAM), Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Aix Marseille Université (AMU)-Centre National d'Études Spatiales [Toulouse] (CNES), and Aix Marseille Université (AMU)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)
Subjects: Astrofísica, 010504 meteorology & atmospheric sciences, Opacity, FOS: Physical sciences, Astrophysics, Astrophysics::Cosmology and Extragalactic Astrophysics, Galaxies: Individual: Messier Number: M101, Ultraviolet: Galaxies, medicine.disease_cause, 01 natural sciences, Scattering, [PHYS.ASTR.CO]Physics [physics]/Astrophysics [astro-ph]/Cosmology and Extra-Galactic Astrophysics [astro-ph.CO], Far infrared, 0103 physical sciences, medicine, 010303 astronomy & astrophysics, Optical depth, Astrophysics::Galaxy Astrophysics, 0105 earth and related environmental sciences, Physics, Spiral galaxy, Astrophysics (astro-ph), Astronomy and Astrophysics, Dust, Radius, Extinction, Galaxy, Astronomía, Infrared: Galaxies, Space and Planetary Science, Galaxies: Spiral, Astrophysics::Earth and Planetary Astrophysics, Ultraviolet
Abstract: The total ultraviolet (UV) flux (from 1412 to 2718 AA) of M 101 is compared on a pixel-to-pixel basis with the total far-infrared (FIR) flux (from 60 to 170 micron), using the maps of the galaxy taken by GALEX in the near-UV and far-UV and by ISOPHOT at 60, 100 and 170 micron. The main result of this investigation is the discovery of a tight dependence of the FIR/UV ratio on radius, with values monotonically decreasing from around 4 in the nuclear region to nearly zero towards the edge of the optical disk. Although the tightness of this dependence is in part attributable to resolution effects, the result is consistent with the presence of a large-scale distribution of diffuse dust having a face-on optical depth which decreases with radius and which dominates over the more localized variations in opacity between the arm and interarm regions. We also find a trend for the FIR/UV ratio to take on higher values in the regions of diffuse interarm emission than in the spiral-arm regions, at a given radius. This is interpreted quantitatively in terms of the escape probability of UV photons from spiral arms and their subsequent scattering in the interarm regions, and in terms of the larger relative contribution of optical photons to the heating of the dust in the interarm regions., This paper will be published as part of the Galaxy Evolution Explorer (GALEX) ApJ Letters Special Issue. Links to the full set of papers will be available at http://www.galex.caltech.edu/PUBLICATIONS/ after Nov. 22, 2004. For version with full resolution images go to: http://edoc.mpg.de/204700.0
Published: 2005

41. The spiral galaxy M33 mapped in the FIR by ISOPHOT: A spatially resolved study of the warm and cold dust

Author: M. Haas, Heinrich J. Voelk, Manfred Stickel, Hans Hippelein, Ulrich Klaas, R. J. Tuffs, and Dietrich Lemke
Subjects: Physics, Spiral galaxy, Star formation, Extinction (astronomy), Astrophysics (astro-ph), FOS: Physical sciences, Astronomy and Astrophysics, Astrophysics, Astrophysics::Cosmology and Extragalactic Astrophysics, Radiation, Galaxy, Stars, Space and Planetary Science, Spectral energy distribution, Surface brightness, Astrophysics::Galaxy Astrophysics
Abstract: The Sc galaxy M33 has been mapped with ISOPHOT in the far-infrared, at 60, 100, and 170mue. The spatial resolution of these FIR maps allows the separation of spiral arms and interarm regions and the isolation of a large number of star-forming regions. The spectral energy distribution in the FIR indicates a superposition of two components, a warm one originating from dust at ~45K, and a cold one, at ~16K. The warm component is concentrated towards the spiral arms and the star-forming regions, and is likely heated by the UV radiation from OB stars. The cold component is more smoothly distributed over the disk, and heated by the diffuse interstellar radiation. For the about 60 star-forming regions detected the H-alpha/FIR flux ratio increases significantly with the distance from the galaxy center, probably due to decreasing extinction. An anti-correlation of F_Ha/F_60 with F_170 suggests the intrinsic extinction to be related to the cold dust surface brightness according to A_V/S_170~0.03mag/MJy*sr. For the total galaxy the star formation rate (SFR) derived from the FIR is in agreement with that derived from the de-extincted H-alpha emission. For individual star-forming regions, a consistency between SFRs derived from the optical and from the FIR requires only a fraction of the UV radiation to be absorbed locally. The individual star-forming regions also show a local radio-FIR correlation. This local correlation is, however, due to quite different components than to those that lead to the well-known global radio-FIR correlation for entire galaxies., Comment: 10 pages, 9 figures; the full resolution images of Fig.1 can be obtained by anonymous ftp from ftp.mpia.de /pub/iso-arch
Published: 2003
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42. Status and plans for the HESS experiment

Author: Punch, M., Aharonian, F., A-G, Akhperjanian, Andronache, M., Auriemma, G., Bulian, N., L-M, Chounet, Degrange, B., Drury, L., Espigat, P., Ferreira, O., Fleury, P., Frenkel, A., Giavannelli, F., Goetting, N., Goret, P., Heinzelmann, G., Heusler, A., Hofmann, W., Horns, D., O-C, Jager, Jung, I., Kankanyan, R., Kettler, J., Bruno Khélifi, Kohnle, A., Konopelko, A., Krawczynski, H., Lohse, T., Manigot, P., Maris, S., Martellotti, G., Munz, P., Nayman, P., Panter, M., Penso, G., Pohl, M., Puehlhofer, G., B-C, Raubenheimer, Renault, C., Rivoal, M., Rob, L., Sahakian, C., Sartogo, F., Satriano, C., Schlickeiser, R., Stamm, W., Steenkamp, R., J-P, Tavernet, Toussnel, F., R-J, Tuffs, Vincent, P., B-V, Visser, Voelk, H., Wagner, S., C-A, Wiedner, Physique Corpusculaire et Cosmologie - Collège de France (PCC), Collège de France (CdF (institution))-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Laboratoire Leprince-Ringuet (LLR), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-École polytechnique (X)-Centre National de la Recherche Scientifique (CNRS), Goldwurm A. Neumann D. N. Tran Thanh Van J., HESS, and Lantz, Simone
Subjects: [PHYS.ASTR.CO]Physics [physics]/Astrophysics [astro-ph]/Cosmology and Extra-Galactic Astrophysics [astro-ph.CO], [PHYS.ASTR.CO] Physics [physics]/Astrophysics [astro-ph]/Cosmology and Extra-Galactic Astrophysics [astro-ph.CO]
Published: 2002

43. Mid and Far IR properties of late-type galaxies in the Coma and A1367 clusters: ISOCAM and ISOPHOT observations

Author: G. Gavazzi, J. Lequeux, A. Contursi, R. J. Tuffs, E. Bertagna, and A. Boselli
Subjects: Luminous infrared galaxy, Physics, Infrared, Star formation, Astronomy, Astronomy and Astrophysics, Astrophysics, Astrophysics::Cosmology and Extragalactic Astrophysics, Galaxy, Stars, Photometry (astronomy), Space and Planetary Science, Irregular galaxy, Astrophysics::Galaxy Astrophysics, Line (formation)
Abstract: We present Mid (MIR) and Far (FIR) Infrared observations of 18 spiral/irregular galaxies belonging to the Coma and A1367 clusters, carried out with the CAM and PHOT instruments on board the ISO satellite. Complementary photometry from the UV to the Near Infrared (NIR) together with Hα imaging, HI and ^(12)CO line measurements allow us to study the relationships between the IR emission and the star formation properties of these galaxies. Most of the resolved galaxies show extended MIR emission throughout their disks even where no Hα emission is present. This suggests that the Aromatic carriers can be excited by the general interstellar radiation field (ISRF), i.e. by visible photons. Only close to HII regions the UV photons are the principal sources of Aromatic carrier excitation. However, when the UV radiation field becomes intense enough these carriers can be destroyed. The average integrated 15/6.75µ_m ratio of the observed galaxies is ∼1, i.e. the typical value for the photodissociation regions (PDRs). This suggests that, despite the high star formation rate (SFR) and the very luminous HII regions of these galaxies, their integrated MIR emission is dominated by PDR-like regions rather than HII-like regions. A cold dust component with average temperature ∼22 K exists in most of the target galaxies, probably arising from big dust grains (BGs) in thermal equilibrium with the ISRF. The contribution to the BGs heating from the ionizing stars decreases with increasing wavelength. A warmer dust component whose emission dominates the spectrum between 20 and 100µ_m is likely to exist. This is probably due to both Very Small Grains (VSGs) and warm BGs emission. The dust to gas ratio of the target galaxies is comparable to that of the solar neighborhood. There is a weak trend between the dust total mass and both the atomic and molecular gas content. The MIR and FIR properties of the analyzed galaxies do not seem to be affected by the environment despite the fact that most of the targets are interacting with the Intra-Cluster-Medium.
Published: 2001

44. Observations of Supernova Remnants with ISO

Author: R. J. Tuffs
Subjects: Physics, Cygnus Loop, Supernova, Astrophysics::High Energy Astrophysical Phenomena, Molecular cloud, Radiative transfer, Astronomy, Astrophysics::Cosmology and Extragalactic Astrophysics, Near-Earth supernova, Ejecta, Supernova remnant, Astrophysics::Galaxy Astrophysics, Galaxy
Abstract: Pointed observations with ISO have been made, or are planned, towards 58 supernova remnants (SNRs) in the galaxy and Magellanic clouds. The main emphasis is on detailed studies of gas, dust and synchrotron emission from selected regions within 24 well studied galactic remants. First results are available for Cas A (Lagage et al. 1996, 1997; Tuffs et al. 1997; Unger et al. 1997), the Cygnus Loop (deCourchelle et al 1997; Fischera et al. 1997), RCW103 (Oliva et al. 1997; Wright et al. 1997), and W44 and 3C391 (Reach and Rho 1996). These are providing insights into issues such as the yield and composition of condensates in supernova ejecta, the processing of grains by adiabatic and radiative shocks, and the measurement of cold gas, inaccessible to optical observations, both from cool regions in radiative shocks and from unshocked ejecta. In this progress report these points are illustrated with reference to Cas A, the prototype of an ejecta-dominated remnant of a massive core-collapse supernova, and the Cygnus Loop and RCW103 as prime examples of radiative shocks delineating the interaction of fast blast waves with diffuse atomic and dense molecular clouds, respectively.
Published: 1998

45. Galaxy And Mass Assembly (GAMA): the mass-metallicity relationship

Author: David Thomas, Scott M. Croom, M. L. P. Gunawardhana, Robert C. Nichol, Matthew Prescott, Carlos S. Frenk, Andrew M. Hopkins, Peder Norberg, Matthew Colless, R. J. Tuffs, Kevin A. Pimbblet, I. K. Baldryi, Konrad Kuijken, Ewan Cameron, Maritza A. Lara-López, Rob Sharp, Steven P. Bamford, Edward N. Taylor, Jochen Liske, D. Wijesinghe, Matt S. Owers, Christopher J. Conselice, William J. Sutherland, Aaron S. G. Robotham, Denis Hill, Simon P. Driver, Jonathan Loveday, John A. Peacock, Sarah Brough, Caroline Foster, H. Parkinson, Mehmet Alpaslan, A. Bauer, E. van Kampen, Angel R. Lopez-Sanchez, L. Kelvin, D. H. P. Jones, Joss Bland-Hawthorn, O. Steele, and Cristina Popescu
Subjects: Physics, Absolute magnitude, Cosmology and Nongalactic Astrophysics (astro-ph.CO), Metallicity, media_common.quotation_subject, FOS: Physical sciences, Astronomy and Astrophysics, Context (language use), Astrophysics, Redshift, Galaxy, Luminosity, Space and Planetary Science, Sky, Range (statistics), Astrophysics - Cosmology and Nongalactic Astrophysics, media_common
Abstract: Context: The mass-metallicity relationship (MMR) of star-forming galaxies is well-established, however there is still some disagreement with respect to its exact shape and its possible dependence on other observables. Aims: We measure the MMR in the Galaxy And Mass Assembly (GAMA) survey. We compare our measured MMR to that measured in the Sloan Digital Sky Survey (SDSS) and study the dependence of the MMR on various selection criteria to identify potential causes for disparities seen in the literature. Methods: We use strong emission line ratio diagnostics to derive oxygen abundances. We then apply a range of selection criteria for the minimum signal-to-noise in various emission lines, as well as the apparent and absolute magnitude to study variations in the inferred MMR. Results: The shape and position of the MMR can differ significantly depending on the metallicity calibration and selection used. After selecting a robust metallicity calibration amongst those tested, we find that the mass-metallicity relation for redshifts 0.061< z, Comment: 10 pages, 6 figures, accepted for publication in A&A
Published: 2012

46. 7.1. NIR and mm mosaics of the central 100 pc

Author: R. J. Tuffs, Tom Herbst, S. Philipp, Wolfgang J. Duschl, R. Zylka, and P. G. Mezger
Subjects: Physics, Stars, Optics, Bulge, Young population, Star formation, business.industry, Astrophysics, business, Galaxy
Abstract: The conditions within the nuclear bulge (NB, R ~ 300 pc) of our Galaxy are extreme: less than 0.1% of the volume of the galactic disc contains more than 10% of the total ISM and stars. There are indications that star formation in the NB is not a continuous process, but rather undergoes cyclic variations. Details of the current and past star formation processes and the stellar content of the central parsecs - especially the ratio of old to young population - are not very well known (Mezger et al., 1996).
Published: 1998

47. Erratum: 'Physical Conditions and Star Formation Activity in the Intragroup Medium of Stephan's Quintet' (ApJ, 595, 665 [2003])

Author: N. Lu, Cong Xu, James J. Condon, Michael A. Dopita, and R. J. Tuffs
Subjects: Physics, Space and Planetary Science, Position (vector), Star formation, Astronomy, Astronomy and Astrophysics, Astrophysics, Table (information), Slit
Abstract: In x 4.1, when describing the optical long-slit observations, there was a mistake in the reported position of slit N, due to a typo. The central position of slit N should be 223559. 6, +33 5800000 (J2000.0), instead of 223559. 8, +33 5800000 (J2000.0). This also affects the positions of the spectroscopic sources along slit N given in Table 4 (together with sources along slit M). Here we give a new Table 4 with the mistakes corrected.
Published: 2005

48. Neutral hydrogen towards 3C 10, the remnant of Tycho's supernova

Author: Elizabeth Swinbank, S. F. Gull, J. S. Albinson, and R. J. Tuffs
Subjects: Physics, Hydrogen, Astronomy, chemistry.chemical_element, Astronomy and Astrophysics, Astrophysics, Near-Earth supernova, Spectral line, Radial velocity, Supernova, chemistry, Space and Planetary Science, Brightness temperature, Supernova remnant, Open cluster
Published: 1986

49. The Expansion of Cassiopeia A

Author: R. J. Tuffs
Subjects: Astrophysics::High Energy Astrophysical Phenomena, Astrophysics::Cosmology and Extragalactic Astrophysics
Abstract: This paper describes a detailed comparison of radio maps of Cas A obtained with the Cambridge 5 km Radio Telescope in 1974 and 1978. Accurate proper motions and brightness changes are presented for 342 distinct radio peaks, ranging in angular size from 1 arc minute for fragments of the intense ring to less than the resolution limit of 2.0 × 2.3 arc seconds for the compact radio knots.
Published: 1983

50. Secular changes within Cassiopeia A at 5 GHz-I

Author: R. J. Tuffs
Subjects: Physics, Cassiopeia A, Brightness, Proper motion, Space and Planetary Science, Phase error, Astronomy, Astronomy and Astrophysics, Astrometry, Astrophysics, Supernova remnant, Secular variation, Radio astronomy
Abstract: On presente une comparaison detaillee des cartes radio a 5 GHz de CasA, obtenues avec le radiotelescope de 5 km de Cambridge en 1974 et 1978. On donne les mouvements propres precis et les changements d'eclats de 342 pics radio distincts
Published: 1986

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57 results on '"R. J. Tuffs"'

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