160 results on '"Pinchera, Michele"'
Search Results
2. Polarization properties of X-ray tubes used for Imaging X-ray Polarimetry Explorer calibration
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Ratheesh, Ajay, Rankin, John, Costa, Enrico, Del Monte, Ettore, Di Marco, Alessandro, Fabiani, Sergio, La Monaca, Fabio, Muleri, Fabio, Rubini, Alda, Soffitta, Paolo, Baldini, Luca, Minuti, Massimo, Pinchera, Michele, and Sgrò, Carmelo
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Astrophysics - Instrumentation and Methods for Astrophysics ,Astrophysics - High Energy Astrophysical Phenomena - Abstract
In this work, we measured the polarization properties of the X-rays emitted from the X-ray tubes, which were used during the calibration of the instrument onboard Imaging X-ray Polarimetry Explorer (IXPE). X-ray tubes are used as a source of unpolarized X-rays to calibrate the response of the gas pixel detectors to unpolarized radiation. However, even though the characteristic fluorescent emission lines are unpolarized, continuum bremsstrahlung emission can be polarized based on the geometry of the accelerated electrons and emitted photons. Hence, characterizing the contribution of polarized X-rays from bremsstrahlung emission is of interest, also for future measurements. We find that when accelerated electrons are parallel to the emitted photons, the bremsstrahlung emission is unpolarized, and when they are perpendicular, the polarization increases with energy, as expected from the theoretical predictions. A comparison with the theoretical predictions is also shown., Comment: 30 pages, 12 Figures and 6 tables. Published in Journal of Astronomical Telescopes, Instruments, and Systems (JATIS). DOI: 10.1117/1.JATIS.9.3.038002
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- 2023
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3. X-ray Polarimetry of the accreting pulsar 1A~0535+262 in the supercritical state with PolarLight
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Long, Xiangyun, Feng, Hua, Li, Hong, Kong, Ling-Da, Heyl, Jeremy, Ji, Long, Tao, Lian, Muleri, Fabio, Wu, Qiong, Zhu, Jiahuan, Huang, Jiahui, Minuti, Massimo, Jiang, Weichun, Citraro, Saverio, Nasimi, Hikmat, Yu, Jiandong, Jin, Ge, Zeng, Ming, An, Peng, Baldini, Luca, Bellazzini, Ronaldo, Brez, Alessandro, Latronico, Luca, Sgrò, Carmelo, Spandre, Gloria, Pinchera, Michele, Soffitta, Paolo, and Costa, Enrico
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Astrophysics - High Energy Astrophysical Phenomena - Abstract
The X-ray pulsar 1A 0535+262 exhibited a giant outburst in 2020, offering us a unique opportunity for X-ray polarimetry of an accreting pulsar in the supercritical state. Measurement with PolarLight yielded a non-detection in 3-8 keV; the 99% upper limit of the polarization fraction (PF) is found to be 0.34 averaged over spin phases, or 0.51 based on the rotating vector model. No useful constraint can be placed with phase resolved polarimetry. These upper limits are lower than a previous theoretical prediction of 0.6-0.8, but consistent with those found in other accreting pulsars, like Her X-1, Cen X-3, 4U 1626-67, and GRO J1008-57, which were in the subcritical state, or at least not confidently in the supercritical state, during the polarization measurements. Our results suggest that the relatively low PF seen in accreting pulsars cannot be attributed to the source not being in the supercritical state, but could be a general feature., Comment: accepted for publication in ApJ
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- 2023
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4. Calibration of the IXPE focal plane X-ray polarimeters to polarized radiation
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Di Marco, Alessandro, Fabiani, Sergio, La Monaca, Fabio, Muleri, Fabio, Rankin, John, Soffitta, Paolo, Xie, Fei, Amici, Fabrizio, attinà, Primo, Bachetti, Matteo, Baldini, Luca, Barbanera, Mattia, Baumgartner, Wayne, Bellazzini, Ronaldo, Borotto, Fabio, Brez, Alessandro, Brienza, Daniele, Caporale, Ciro, Cardelli, Claudia, Carpentiero, Rita, Castellano, Simone, Castronuovo, Marco, Cavalli, Luca, Cavazzuti, Elisabetta, Ceccanti, Marco, Centrone, Mauro, Citraro, Saverio, Costa, Enrico, D'Alba, Elisa, D'Amico, Fabio, Del Monte, Ettore, Di Cosimo, Sergio, Di Lalla, Niccolò, Di Persio, Giuseppe, Donnarumma, Immacolata, Evangelista, Yuri, Ferrazzoli, Riccardo, Latronico, Luca, Lefevre, Carlo, Loffredo, Pasqualino, Lorenzi, Paolo, Lucchesi, Leonardo, Magazzù, Carlo, Magazzù, Guido, Maldera, Simone, Manfreda, Alberto, Mangraviti, Elio, Marengo, Marco, Matt, Giorgio, Mereu, Paolo, Minuti, Massimo, Morbidini, Alfredo, Mosti, Federico, Nasimi, Hikmat, Negri, Barbara, Nuti, Alessio, O'Dell, Stephen L., Orsini, Leonardo, Perri, Matteo, Pesce-Rollins, Melissa, Piazzolla, Raffaele, Pieraccini, Stefano, Pilia, Maura, Pinchera, Michele, Profeti, Alessandro, Puccetti, Simonetta, Ramsey, Brian D., Ratheesh, Ajay, Rubini, Alda, Santoli, Francesco, Sarra, Paolo, Scalise, Emanuele, Sciortino, Andrea, Sgrò, Carmelo, Spandre, Gloria, Tardiola, Marcello, Tennant, Allyn F., Tobia, Antonino, Trois, Alessio, Vimercati, Marco, Weisskopf, Martin C., Zanetti, Davide, and Zanetti, Francesco
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Astrophysics - Instrumentation and Methods for Astrophysics - Abstract
IXPE (Imaging X-ray Polarimetry Explorer) is a NASA Small Explorer mission -- in partnership with the Italian Space Agency (ASI) -- dedicated to X-ray polarimetry in the 2--8 keV energy band. The IXPE telescope comprises three grazing incidence mirror modules coupled to three detector units hosting each one a Gas Pixel Detector (GPD), a gas detector that allows measuring the polarization degree by using the photoelectric effect. A wide and accurate ground calibration was carried out on the IXPE Detector Units (DUs) at INAF-IAPS, in Italy, where a dedicated facility was set-up at this aim. In this paper, we present the results obtained from this calibration campaign to study the IXPE focal plane detector response to polarized radiation. In particular, we report on the modulation factor, which is the main parameter to estimate the sensitivity of a polarimeter., Comment: Accepted for publication on The Astronomical Journal
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- 2022
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5. A significant detection of X-ray Polarization in Sco X-1 with PolarLight and constraints on the corona geometry
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Long, Xiangyun, Feng, Hua, Li, Hong, Zhu, Jiahuan, Wu, Qiong, Huang, Jiahui, Minuti, Massimo, Jiang, Weichun, Yang, Dongxin, Citraro, Saverio, Nasimi, Hikmat, Yu, Jiandong, Jin, Ge, Zeng, Ming, An, Peng, Jiang, Jiachen, Costa, Enrico, Baldini, Luca, Bellazzini, Ronaldo, Brez, Alessandro, Latronico, Luca, Sgro, Carmelo, Spandre, Gloria, Pinchera, Michele, Muleri, Fabio, and Soffitta, Paolo
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Astrophysics - High Energy Astrophysical Phenomena - Abstract
We report the detection of X-ray polarization in the neutron star low mass X-ray binary Scorpius (Sco) X-1 with PolarLight. The result is energy dependent, with a non-detection in 3-4 keV but a 4$\sigma$ detection in 4-8 keV; it is also flux dependent in the 4-8 keV band, with a non-detection when the source displays low fluxes but a 5$\sigma$ detection during high fluxes, in which case we obtain a polarization fraction of $0.043 \pm 0.008$ and a polarization angle of $52.6^\circ \pm 5.4^\circ$. This confirms a previous marginal detection with OSO-8 in the 1970s, and marks Sco X-1 the second astrophysical source with a significant polarization measurement in the keV band. The measured polarization angle is in line with the jet orientation of the source on the sky plane ($54^\circ$), which is supposedly the symmetric axis of the system. Combining previous spectral analysis, our measurements suggest that an optically thin corona is located in the transition layer under the highest accretion rates, and disfavor the extended accretion disk corona model., Comment: Submitted to AAS journals. We are grateful to some experts for useful comments
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- 2021
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6. The Imaging X-Ray Polarimetry Explorer (IXPE): Pre-Launch
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Weisskopf, Martin C., Soffitta, Paolo, Baldini, Luca, Ramsey, Brian D., O'Dell, Stephen L., Romani, Roger W., Matt, Giorgio, Deininger, William D., Baumgartner, Wayne H., Bellazzini, Ronaldo, Costa, Enrico, Kolodziejczak, Jeffery J., Latronico, Luca, Marshall, Herman L., Muleri, Fabio, Bongiorno, Stephen D., Tennant, Allyn, Bucciantini, Niccolo, Dovciak, Michal, Marin, Frederic, Marscher, Alan, Poutanen, Juri, Slane, Pat, Turolla, Roberto, Kalinowski, William, Di Marco, Alessandro, Fabiani, Sergio, Minuti, Massimo, La Monaca, Fabio, Pinchera, Michele, Rankin, John, Sgro', Carmelo, Trois, Alessio, Xie, Fei, Alexander, Cheryl, Allen, D. Zachery, Amici, Fabrizio, Andersen, Jason, Antonelli, Angelo, Antoniak, Spencer, Attina', Primo, Barbanera, Mattia, Bachetti, Matteo, Baggett, Randy M., Bladt, Jeff, Brez, Alessandro, Bonino, Raffaella, Boree, Christopher, Borotto, Fabio, Breeding, Shawn, Brienza, Daniele, Bygott, H. Kyle, Caporale, Ciro, Cardelli, Claudia, Carpentiero, Rita, Castellano, Simone, Castronuovo, Marco, Cavalli, Luca, Cavazzuti, Elisabetta, Ceccanti, Marco, Centrone, Mauro, Citraro, Saverio, Amico, Fabio D', D'Alba, Elisa, Di Gesu, Laura, Del Monte, Ettore, Dietz, Kurtis L., Di Lalla, Niccolo', Di Persio, Giuseppe, Dolan, David, Donnarumma, Immacolata, Evangelista, Yuri, Ferrant, Kevin, Ferrazzoli, Riccardo, Ferrie, MacKenzie, Footdale, Joseph, Forsyth, Brent, Foster, Michelle, Garelick, Benjamin, Gunji, Shuichi, Gurnee, Eli, Head, Michael, Hibbard, Grant, Johnson, Samantha, Kelly, Erik, Kilaru, Kiranmayee, Lefevre, Carlo, Roy, Shelley Le, Loffredo, Pasqualino, Lorenzi, Paolo, Lucchesi, Leonardo, Maddox, Tyler, Magazzu, Guido, Maldera, Simone, Manfreda, Alberto, Mangraviti, Elio, Marengo, Marco, Marrocchesi, Alessandra, Massaro, Francesco, Mauger, David, McCracken, Jeffrey, McEachen, Michael, Mize, Rondal, Mereu, Paolo, Mitchell, Scott, Mitsuishi, Ikuyuki, Morbidini, Alfredo, Mosti, Federico, Nasimi, Hikmat, Negri, Barbara, Negro, Michela, Nguyen, Toan, Nitschke, Isaac, Nuti, Alessio, Onizuka, Mitch, Oppedisano, Chiara, Orsini, Leonardo, Osborne, Darren, Pacheco, Richard, Paggi, Alessandro, Painter, Will, Pavelitz, Steven D., Pentz, Christina, Piazzolla, Raffaele, Perri, Matteo, Pesce-Rollins, Melissa, Peterson, Colin, Pilia, Maura, Profeti, Alessandro, Puccetti, Simonetta, Ranganathan, Jaganathan, Ratheesh, Ajay, Reedy, Lee, Root, Noah, Rubini, Alda, Ruswick, Stephanie, Sanchez, Javier, Sarra, Paolo, Santoli, Francesco, Scalise, Emanuele, Sciortino, Andrea, Schroeder, Christopher, Seek, Tim, Sosdian, Kalie, Spandre, Gloria, Speegle, Chet O., Tamagawa, Toru, Tardiola, Marcello, Tobia, Antonino, Thomas, Nicholas E., Valerie, Robert, Vimercati, Marco, Walden, Amy L., Weddendorf, Bruce, Wedmore, Jeffrey, Welch, David, Zanetti, Davide, and Zanetti, Francesco
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Astrophysics - Instrumentation and Methods for Astrophysics - Abstract
Scheduled to launch in late 2021, the Imaging X-ray Polarimetry Explorer (IXPE) is a NASA Small Explorer Mission in collaboration with the Italian Space Agency (ASI). The mission will open a new window of investigation - imaging X-ray polarimetry. The observatory features 3 identical telescopes each consisting of a mirror module assembly with a polarization-sensitive imaging X-ray detector at the focus. A coilable boom, deployed on orbit, provides the necessary 4-m focal length. The observatory utilizes a 3-axis-stabilized spacecraft which provides services such as power, attitude determination and control, commanding, and telemetry to the ground. During its 2-year baseline mission, IXPE will conduct precise polarimetry for samples of multiple categories of X-ray sources, with follow-on observations of selected targets.
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- 2021
7. The Instrument of the Imaging X-ray Polarimetry Explorer
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Soffitta, Paolo, Baldini, Luca, Bellazzini, Ronaldo, Costa, Enrico, Latronico, Luca, Muleri, Fabio, Del Monte, Ettore, Fabiani, Sergio, Minuti, Massimo, Pinchera, Michele, Sgrò, Carmelo, Spandre, Gloria, Trois, Alessio, Amici, Fabrizio, Andersson, Hans, Attinà, Primo, Bachetti, Matteo, Barbanera, Mattia, Borotto, Fabio, Brez, Alessandro, Brienza, Daniele, Caporale, Ciro, Cardelli, Claudia, Carpentiero, Rita, Castellano, Simone, Castronuovo, Marco, Cavalli, Luca, Cavazzuti, Elisabetta, Ceccanti, Marco, Centrone, Mauro, Ciprini, Stefano, Citraro, Saverio, Amico, Fabio D', Alba, Elisa D', Di Cosimo, Sergio, Di Lalla, Niccolò, Di Marco, Alessandro, Di Persio, Giuseppe, Donnarumma, Immacolata, Evangelista, Yuri, Ferrazzoli, Riccardo, Hayato, Asami, Kitaguchi, Takao, La Monaca, Fabio, Lefevre, Carlo, Loffredo, Pasqualino, Lorenzi, Paolo, Lucchesi, Leonardo, Magazzu, Carlo, Maldera, Simone, Manfreda, Alberto, Mangraviti, Elio, Marengo, Marco, Matt, Giorgio, Mereu, Paolo, Morbidini, Alfredo, Mosti, Federico, Nakano, Toshio, Nasimi, Hikmat, Negri, Barbara, Nenonen, Seppo, Nuti, Alessio, Orsini, Leonardo, Perri, Matteo, Rollins, Melissa Pesce, Piazzolla, Raffaele, Pilia, Maura, Profeti, Alessandro, Puccetti, Simonetta, Rankin, John, Ratheesh, Ajay, Rubini, Alda, Santoli, Francesco, Sarra, Paolo, Scalise, Emanuele, Sciortino, Andrea, Tamagawa, Toru, Tardiola, Marcello, Tobia, Antonino, Vimercati, Marco, and Xie, Fei
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Astrophysics - Instrumentation and Methods for Astrophysics - Abstract
While X-ray Spectroscopy, Timing and Imaging have improved verymuch since 1962, when the first astronomical non-solar source was discovered, especially with the launch of Newton/X-ray Multi-Mirror Mission, Rossi/X-ray Timing Explorer and Chandra/Advanced X-ray Astrophysics Facility, the progress of X-ray polarimetry has been meager. This is in part due to the lack of sensitive polarization detectors, in part due to the fate of approved missions and in part because the celestial X-ray sources appeared less polarized than expected. Only one positive measurement has been available until now. Indeed the eight Orbiting Solar Observatory measured the polarization of the Crab nebula in the 70s. The advent of techniques of microelectronics allowed for designing a detector based on the photoelectric effect in gas in an energy range where the optics are efficient in focusing X-rays. Herewe describe the Instrument, which is the major contribution of the Italian collaboration to the SmallExplorer mission called IXPE, the Imaging X-ray Polarimetry Explorer, which will be flown in late 2021. The instrument, is composed of three Detector Units, based on this technique, and a Detector Service Unit. Three Mirror Modules provided by Marshall Space Flight Center focus X-rays onto the detectors. In the following we will show the technological choices, their scientific motivation and the results from the calibration of the Instrument. IXPE will perform imaging, timing and energy resolved polarimetry in the 2-8 keV energy band opening this window of X-ray astronomy to tens of celestial sources of almost all classes., Comment: 25 pages, 12 figures, 5 tables (accepted for publication in Astronomical Journal)
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- 2021
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8. X-ray polarimetry of the Crab nebula with PolarLight: polarization recovery after the glitch and a secular position angle variation
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Long, Xiangyun, Feng, Hua, Li, Hong, Zhu, Jiahuan, Wu, Qiong, Huang, Jiahui, Minuti, Massimo, Jiang, Weichun, Wang, Weihua, Xu, Renxin, Costa, Enrico, Yang, Dongxin, Citraro, Saverio, Nasimi, Hikmat, Yu, Jiandong, Jin, Ge, Zeng, Ming, An, Peng, Baldini, Luca, Bellazzini, Ronaldo, Brez, Alessandro, Latronico, Luca, Sgro, Carmelo, Spandre, Gloria, Pinchera, Michele, Muleri, Fabio, and Soffitta, Paolo
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Astrophysics - High Energy Astrophysical Phenomena - Abstract
We report follow-up observations of the Crab nebula with the PolarLight X-ray polarimeter, which revealed a possible variation in polarization associated with a pulsar glitch in 2019. The new observations confirm that the polarization has recovered roughly 100 days after the glitch. With the new observations, we find that the polarization angle (PA) measured with PolarLight from the total nebular emission has a difference of 18.0 +- 4.6 (deg) from that measured 42 years ago with OSO-8, indicating a secular evolution of polarization with either the Crab nebula or pulsar. The long-term variation in PA could be a result of multiple glitches in the history, magnetic reconnection or movement of synchrotron emitting structures in the nebula, or secular evolution of the pulsar magnetic geometry., Comment: ApJ Letters to appear
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- 2021
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9. Discrimination of background events in the PolarLight X-ray polarimeter
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Zhu, Jiahuan, Li, Hong, Feng, Hua, Huang, Jiahui, Long, Xiangyun, Wu, Qiong, Jiang, Weichun, Minuti, Massimo, Citraro, Saverio, Nasimi, Hikmat, Yang, Dongxin, Yu, Jiandong, Jin, Ge, Zeng, Ming, An, Peng, Baldini, Luca, Bellazzini, Ronaldo, Brez, Alessandro, Latronico, Luca, Sgro, Carmelo, Spandre, Gloria, Pinchera, Michele, Muleri, Fabio, Soffitta, Paolo, and Costa, Enrico
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Astrophysics - Instrumentation and Methods for Astrophysics - Abstract
PolarLight is a space-borne X-ray polarimeter that measures the X-ray polarization via electron tracking in an ionization chamber. It is a collimated instrument and thus suffers from the background on the whole detector plane. The majority of background events are induced by high energy charged particles and show ionization morphologies distinct from those produced by X-rays of interest. Comparing on-source and off-source observations, we find that the two datasets display different distributions on image properties. The boundaries between the source and background distributions are obtained and can be used for background discrimination. Such a means can remove over 70% of the background events measured with PolarLight. This approaches the theoretical upper limit of the background fraction that is removable and justifies its effectiveness. For observations with the Crab nebula, the background contamination decreases from 25% to 8% after discrimination, indicative of a polarimetric sensitivity of around 0.2 Crab for PolarLight. This work also provides insights into future X-ray polarimetric telescopes., Comment: accepted for publication in Research in Astronomy and Astrophysics
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- 2021
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10. Modeling the in-orbit background of PolarLight
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Huang, Jiahui, Feng, Hua, Li, Hong, Long, Xiangyun, Yang, Dongxin, Zeng, Weihe, Wu, Qiong, Jiang, Weichun, Minuti, Massimo, Costa, Enrico, Muleri, Fabio, Citraro, Saverio, Nasimi, Hikmat, Yu, Jiandong, Jin, Ge, Zeng, Zhi, Zeng, Ming, An, Peng, Baldini, Luca, Bellazzini, Ronaldo, Brez, Alessandro, Latronico, Luca, Sgro, Carmelo, Spandre, Gloria, Pinchera, Michele, and Soffitta, Paolo
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Astrophysics - Instrumentation and Methods for Astrophysics ,Astrophysics - High Energy Astrophysical Phenomena - Abstract
PolarLight is a gas pixel X-ray polarimeter mounted on a CubeSat, which was launched into a Sun-synchronous orbit in October 2018. We build a mass model of the whole CubeSat with the Geant4 toolkit to simulate the background induced by the cosmic X-ray background (CXB) and high energy charged particles in the orbit. The simulated energy spectra and morphologies of event images both suggest that the measured background with PolarLight is dominated by high energy electrons, with a minor contribution from protons and the CXB. The simulation reveals that, in the energy range of 2-8 keV, there are roughly 28% of the background events are caused by energy deposit from a secondary electron with an energy of a few keV, in a physical process identical to the detection of X-rays. Thus, this fraction of background cannot be discriminated from X-ray events. The background distribution is uneven on the detector plane, with an enhancement near the edges. The edge effect is because high energy electrons tend to produce long tracks, which are discarded by the readout electronics unless they have partial energy deposits near the edges. The internal background rate is expected to be around 6 x 10^-3 counts/s/cm2 in 2-8 keV if an effective particle discrimination algorithm can be applied. This indicates that the internal background should be negligible for future focusing X-ray polarimeters with a focal size in the order of mm., Comment: accepted for publication in ApJ
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- 2021
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11. Re-detection and a Possible Time Variation of Soft X-ray Polarisation from the Crab
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Feng, Hua, Li, Hong, Long, Xiangyun, Bellazzini, Ronaldo, Costa, Enrico, Wu, Qiong, Huang, Jiahui, Jiang, Weichun, Minuti, Massimo, Wang, Weihua, Xu, Renxin, Yang, Dongxin, Baldini, Luca, Citraro, Saverio, Nasimi, Hikmat, Soffitta, Paolo, Muleri, Fabio, Jung, Aera, Yu, Jiandong, Jin, Ge, Zeng, Ming, An, Peng, Brez, Alessandro, Latronico, Luca, Sgro, Carmelo, Spandre, Gloria, and Pinchera, Michele
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Astrophysics - High Energy Astrophysical Phenomena ,Astrophysics - Instrumentation and Methods for Astrophysics - Abstract
The Crab nebula is so far the only celestial object with a statistically significant detection in soft x-ray polarimetry, a window that has not been explored in astronomy since the 1970s. However, soft x-ray polarimetry is expected to be a sensitive probe of magnetic fields in high energy astrophysical objects including rotation-powered pulsars and pulsar wind nebulae. Here we report the re-detection of soft x-ray polarisation after 40 years from the Crab nebula and pulsar with PolarLight, a miniature polarimeter utilising a novel technique onboard a CubeSat. The polarisation fraction of the Crab in the on-pulse phases was observed to decrease after a glitch of the Crab pulsar on July 23, 2019, while that of the pure nebular emission remained constant within uncertainty. The phenomenon may have lasted about 100 days. If the association between the glitch and polarisation change can be confirmed with future observations, it will place strong constraints on the physical mechanism of the high energy emission and glitch of pulsars., Comment: Authors' version of an article published in Nature Astronomy on 11 May 2020. Link to the paper: https://www.nature.com/articles/s41550-020-1088-1
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- 2020
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12. In-orbit Operation and Performance of the CubeSat Soft X-ray Polarimeter PolarLight
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Li, Hong, Long, Xiangyun, Feng, Hua, Wu, Qiong, Huang, Jiahui, Jiang, Weichun, Minuti, Massimo, Yang, Dongxin, Citraro, Saverio, Nasimi, Hikmat, Yu, Jiandong, Jin, Ge, Zeng, Ming, An, Peng, Baldini, Luca, Bellazzini, Ronaldo, Brez, Alessandro, Latronico, Luca, Sgro, Carmelo, Spandre, Gloria, Pinchera, Michele, Muleri, Fabio, Soffitta, Paolo, and Costa, Enrico
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Astrophysics - Instrumentation and Methods for Astrophysics - Abstract
PolarLight is a compact soft X-ray polarimeter onboard a CubeSat, which was launched into a low-Earth orbit on October 29, 2018. In March 2019, PolarLight started full operation, and since then, regular observations with the Crab nebula, Sco X-1, and background regions have been conducted. Here we report the operation, calibration, and performance of PolarLight in the orbit. Based on these, we discuss how one can run a low-cost, shared CubeSat for space astronomy, and how CubeSats can play a role in modern space astronomy for technical demonstration, science observations, and student training., Comment: accepted for publication in Advances in Space Research
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- 2020
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13. PolarLight: a CubeSat X-ray Polarimeter based on the Gas Pixel Detector
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Feng, Hua, Jiang, Weichun, Minuti, Massimo, Wu, Qiong, Jung, Aera, Yang, Dongxin, Citraro, Saverio, Nasimi, Hikmat, Yu, Jiandong, Jin, Ge, Huang, Jiahui, Zeng, Ming, An, Peng, Baldini, Luca, Bellazzini, Ronaldo, Brez, Alessandro, Latronico, Luca, Sgrò, Carmelo, Spandre, Gloria, Pinchera, Michele, Muleri, Fabio, Soffitta, Paolo, and Costa, Enrico
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Astrophysics - Instrumentation and Methods for Astrophysics ,Astrophysics - High Energy Astrophysical Phenomena - Abstract
The gas pixel detector (GPD) is designed and developed for high-sensitivity astronomical X-ray polarimetry, which is a new window about to open in a few years. Due to the small mass, low power, and compact geometry of the GPD, we propose a CubeSat mission Polarimeter Light (PolarLight) to demonstrate and test the technology directly in space. There is no optics but a collimator to constrain the field of view to 2.3 degrees. Filled with pure dimethyl ether (DME) at 0.8 atm and sealed by a beryllium window of 100 micron thick, with a sensitive area of about 1.4 mm by 1.4 mm, PolarLight allows us to observe the brightest X-ray sources on the sky, with a count rate of, e.g., ~0.2 counts/s from the Crab nebula. The PolarLight is 1U in size and mounted in a 6U CubeSat, which was launched into a low Earth Sun-synchronous orbit on October 29, 2018, and is currently under test. More launches with improved designs are planned in 2019. These tests will help increase the technology readiness for future missions such as the enhanced X-ray Timing and Polarimetry (eXTP), better understand the orbital background, and may help constrain the physics with observations of the brightest objects., Comment: Accepted for publication in Experimental Astronomy
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- 2019
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14. LAMP: a micro-satellite based soft X-ray polarimeter for astrophysics
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She, Rui, Feng, Hua, Muleri, Fabio, Soffitta, Paolo, Xu, Renxin, Li, Hong, Bellazzini, Ronaldo, Wang, Zhanshan, Spiga, Daniele, Minuti, Massimo, Brez, Alessandro, Spandre, Gloria, Pinchera, Michele, Sgro, Carmelo, Baldini, Luca, Wen, Mingwu, Shen, Zhengxiang, Pareschi, Giovanni, Tagliaferri, Gianpiero, Tayabaly, Kashmira, Salmaso, Bianca, and Zhan, Yafeng
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Astrophysics - Instrumentation and Methods for Astrophysics ,Astrophysics - High Energy Astrophysical Phenomena - Abstract
The Lightweight Asymmetry and Magnetism Probe (LAMP) is a micro-satellite mission concept dedicated for astronomical X-ray polarimetry and is currently under early phase study. It consists of segmented paraboloidal multilayer mirrors with a collecting area of about 1300 cm^2 to reflect and focus 250 eV X-rays, which will be detected by position sensitive detectors at the focal plane. The primary targets of LAMP include the thermal emission from the surface of pulsars and synchrotron emission produced by relativistic jets in blazars. With the expected sensitivity, it will allow us to detect polarization or place a tight upper limit for about 10 pulsars and 20 blazars. In addition to measuring magnetic structures in these objects, LAMP will also enable us to discover bare quark stars if they exist, whose thermal emission is expected to be zero polarized, while the thermal emission from neutron stars is believed to be highly polarized due to plasma polarization and the quantum electrodynamics (QED) effect. Here we present an overview of the mission concept, its science objectives and simulated observational results.
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- 2015
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15. The SQUID Controller Unit for the LiteBIRD Space Mission: Description, Functional Tests and Early Performance Assessment
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Conenna, G, Tartari, A, Signorelli, G, Passerini, A, Limonta, A, Zannoni, M, Dal Bo, P, Di Giorgi, E, Cliche, J, Della Torre, S, Dobbs, M, Galli, L, Gervasi, M, Massa, M, Moggi, A, Montgomery, J, Nicolò, D, Pinchera, M, Smecher, G, Spinella, F, Conenna, Giulia, Tartari, Andrea, Signorelli, Giovanni, Passerini, Andrea, Limonta, Andrea, Zannoni, Mario, Dal Bo, Paolo, Di Giorgi, Eugenia, Cliche, Jean-François, Della Torre, Stefano, Dobbs, Matt, Galli, Luca, Gervasi, Massimo, Massa, Maurizio, Moggi, Andrea, Montgomery, Joshua, Nicolò, Donato, Pinchera, Michele, Smecher, Graeme, Spinella, Franco, Conenna, G, Tartari, A, Signorelli, G, Passerini, A, Limonta, A, Zannoni, M, Dal Bo, P, Di Giorgi, E, Cliche, J, Della Torre, S, Dobbs, M, Galli, L, Gervasi, M, Massa, M, Moggi, A, Montgomery, J, Nicolò, D, Pinchera, M, Smecher, G, Spinella, F, Conenna, Giulia, Tartari, Andrea, Signorelli, Giovanni, Passerini, Andrea, Limonta, Andrea, Zannoni, Mario, Dal Bo, Paolo, Di Giorgi, Eugenia, Cliche, Jean-François, Della Torre, Stefano, Dobbs, Matt, Galli, Luca, Gervasi, Massimo, Massa, Maurizio, Moggi, Andrea, Montgomery, Joshua, Nicolò, Donato, Pinchera, Michele, Smecher, Graeme, and Spinella, Franco
- Abstract
LiteBIRD is a satellite mission to be launched by JAXA in the early 2030s. It will measure the Cosmic Microwave Background (CMB) primordial B-modes with an unprecedented sensitivity. Microwave radiation will be detected by Transition Edge Sensors (TESs) arrays multiplexed in frequency domain and read by Superconducting QUantum Interference Devices (SQUIDs). The LiteBIRD SQUID Controller Unit (SCU), based on the heritage of the successful design used for the ground-based SPT3G experiment, presents some novel elements that make it suitable for a space-borne application. We compare our first breadboard model with the ground-based, Off-The-Shelf Components (COTS) version, by driving the same SQUID Array Amplifier (SAA) at 4 K, measuring relevant quantities such as noise, gain and bandwidth. We demonstrate that the noise added by our first prototype (including a switching part for redundancy purposes) never exceeds the noise added by the COTS-based electronics board, representing our benchmark. We also present the first noise estimates with the SAA cooled below 1 K, going closer to the conditions expected for LiteBIRD operation.
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- 2024
16. Re-testing the JET-X Flight Module No. 2 at the PANTER facility
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Spiga, Daniele, Tagliaferri, Gianpiero, Soffitta, Paolo, Citterio, Oberto, Basso, Stefano, Bellazzini, Ronaldo, Brez, Alessandro, Burkert, Wolfgang, Burwitz, Vadim, Costa, Enrico, de Ruvo, Luca, Del Monte, Ettore, Fabiani, Sergio, Hartner, Gisela, Menz, Benedikt, Minuti, Massimo, Muleri, Fabio, Pareschi, Giovanni, Pinchera, Michele, Rubini, Alda, Sgrò, Carmelo, and Spandre, Gloria
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Astrophysics - Instrumentation and Methods for Astrophysics - Abstract
The Joint European X-ray Telescope (JET-X) was the core instrument of the Russian Spectrum-X-gamma space observatory. It consisted of two identical soft X-ray (0.3 - 10 keV) telescopes with focusing optical modules having a measured angular resolution of nearly 15 arcsec. Soon after the payload completion, the mission was cancelled and the two optical flight modules (FM) were brought to the Brera Astronomical Observatory where they had been manufactured. After 16 years of storage, we have utilized the JET-X FM2 to test at the PANTER X-ray facility a prototype of a novel X-ray polarimetric telescope, using a Gas Pixel Detector (GPD) with polarimetric capabilities in the focal plane of the FM2. The GPD was developed by a collaboration between INFN-Pisa and INAF-IAPS. In the first phase of the test campaign, we have re-tested the FM2 at PANTER to have an up-to-date characterization in terms of angular resolution and effective area, while in the second part of the test the GPD has been placed in the focal plane of the FM2. In this paper we report the results of the tests of the sole FM2, using an unpolarized X-ray source, comparing the results with the calibration done in 1996., Comment: Author's accepted manuscript posted to arXiv.org as permitted by Springer's Self-Archiving Policy. The final publication is available at http://rd.springer.com/article/10.1007%2Fs10686-013-9365-y
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- 2013
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17. XIPE: the X-ray Imaging Polarimetry Explorer
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Soffitta, Paolo, Barcons, Xavier, Bellazzini, Ronaldo, Braga, João, Costa, Enrico, Fraser, George W., Gburek, Szymon, Huovelin, Juhani, Matt, Giorgio, Pearce, Mark, Poutanen, Juri, Reglero, Victor, Santangelo, Andrea, Sunyaev, Rashid A., Tagliaferri, Gianpiero, Weisskopf, Martin, Aloisio, Roberto, Amato, Elena, Attiná, Primo, Axelsson, Magnus, Baldini, Luca, Basso, Stefano, Bianchi, Stefano, Blasi, Pasquale, Bregeon, Johan, Brez, Alessandro, Bucciantini, Niccoló, Burderi, Luciano, Burwitz, Vadim, Casella, Piergiorgio, Churazov, Eugene, Civitani, Marta, Covino, Stefano, da Silva, Rui Miguel Curado, Cusumano, Giancarlo, Dadina, Mauro, D'Amico, Flavio, De Rosa, Alessandra, Di Cosimo, Sergio, Di Persio, Giuseppe, Di Salvo, Tiziana, Dovciak, Michal, Elsner, Ronald, Eyles, Chris J., Fabian, Andrew C., Fabiani, Sergio, Feng, Hua, Giarrusso, Salvatore, Goosmann, René W., Grandi, Paola, Grosso, Nicolas, Israel, Gianluca, Jackson, Miranda, Kaaret, Philip, Karas, Vladimir, Kuss, Michael, Lai, Dong, La Rosa, Giovanni, Larsson, Josefin, Larsson, Stefan, Latronico, Luca, Maggio, Antonio, Maia, Jorge, Marin, Frédéric, Massai, Marco Maria, Mineo, Teresa, Minuti, Massimo, Moretti, Elena, Muleri, Fabio, O'Dell, Stephen L., Pareschi, Giovanni, Peres, Giovanni, Pesce, Melissa, Petrucci, Pierre-Olivier, Pinchera, Michele, Porquet, Delphine, Ramsey, Brian, Rea, Nanda, Reale, Fabio, Rodrigo, Juana Maria, Różańska, Agata, Rubini, Alda, Rudawy, Pawel, Ryde, Felix, Salvati, Marco, Júnior, Valdivino Alexandre de Santiago, Sazonov, Sergey, Sgró, Carmelo, Silver, Eric, Spandre, Gloria, Spiga, Daniele, Stella, Luigi, Tamagawa, Toru, Tamborra, Francesco, Tavecchio, Fabrizio, Dias, Teresa Teixeira, van Adelsberg, Matthew, Wu, Kinwah, and Zane, Silvia
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Astrophysics - High Energy Astrophysical Phenomena ,Astrophysics - Instrumentation and Methods for Astrophysics ,Astrophysics - Solar and Stellar Astrophysics - Abstract
X-ray polarimetry, sometimes alone, and sometimes coupled to spectral and temporal variability measurements and to imaging, allows a wealth of physical phenomena in astrophysics to be studied. X-ray polarimetry investigates the acceleration process, for example, including those typical of magnetic reconnection in solar flares, but also emission in the strong magnetic fields of neutron stars and white dwarfs. It detects scattering in asymmetric structures such as accretion disks and columns, and in the so-called molecular torus and ionization cones. In addition, it allows fundamental physics in regimes of gravity and of magnetic field intensity not accessible to experiments on the Earth to be probed. Finally, models that describe fundamental interactions (e.g. quantum gravity and the extension of the Standard Model) can be tested. We describe in this paper the X-ray Imaging Polarimetry Explorer (XIPE), proposed in June 2012 to the first ESA call for a small mission with a launch in 2017 but not selected. XIPE is composed of two out of the three existing JET-X telescopes with two Gas Pixel Detectors (GPD) filled with a He-DME mixture at their focus and two additional GPDs filled with pressurized Ar-DME facing the sun. The Minimum Detectable Polarization is 14 % at 1 mCrab in 10E5 s (2-10 keV) and 0.6 % for an X10 class flare. The Half Energy Width, measured at PANTER X-ray test facility (MPE, Germany) with JET-X optics is 24 arcsec. XIPE takes advantage of a low-earth equatorial orbit with Malindi as down-link station and of a Mission Operation Center (MOC) at INPE (Brazil)., Comment: 49 pages, 14 figures, 6 tables. Paper published in Experimental Astronomy http://link.springer.com/journal/10686
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- 2013
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18. Measurement of the position resolution of the Gas Pixel Detector
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Soffitta, Paolo, Muleri, Fabio, Fabiani, Sergio, Costa, Enrico, Bellazzini, Ronaldo, Brez, Alessandro, Minuti, Massimo, Pinchera, Michele, and Spandre, Gloria
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Astrophysics - Instrumentation and Methods for Astrophysics ,Physics - Instrumentation and Detectors - Abstract
The Gas Pixel Detector was designed and built as a focal plane instrument for X-ray polarimetry of celestial sources, the last unexplored subtopics of X-ray astronomy. It promises to perform detailed and sensitive measurements resolving extended sources and detecting polarization in faint sources in crowded fields at the focus of telescopes of good angular resolution. Its polarimetric and spectral capability were already studied in earlier works. Here we investigate for the first time, with both laboratory measurements and Monte Carlo simulations, its imaging properties to confirm its unique capability to carry out imaging spectral-polarimetry in future X-ray missions., Comment: Submitted to Nuclear Instruments and Methods in Physics Research Section A; 15 figures, 3 tables
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- 2012
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19. POLARIX: a pathfinder mission of X-ray polarimetry
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Costa, Enrico, Bellazzini, Ronaldo, Tagliaferri, Gianpiero, Matt, Giorgio, Argan, Andrea, Attina', Primo, Baldini, Luca, Basso, Stefano, Brez, Alessandro, Citterio, Oberto, Di Cosimo, Sergio, Cotroneo, Vincenzo, Fabiani, Sergio, Feroci, Marco, Ferri, Antonella, Latronico, Luca, Lazzarotto, Francesco, Minuti, Massimo, Morelli, Ennio, Muleri, Fabio, Nicolini, Lucio, Pareschi, Giovanni, Di Persio, Giuseppe, Pinchera, Michele, Razzano, Massimiliano, Reboa, Luigia, Rubini, Alda, Salonico, Antonio Maria, Sgro', Carmelo, Soffitta, Paolo, Spandre, Gloria, Spiga, Daniele, and Trois, Alessio
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Astrophysics - Instrumentation and Methods for Astrophysics ,Astrophysics - High Energy Astrophysical Phenomena - Abstract
Since the birth of X-ray astronomy, spectral, spatial and timing observation improved dramatically, procuring a wealth of information on the majority of the classes of the celestial sources. Polarimetry, instead, remained basically unprobed. X-ray polarimetry promises to provide additional information procuring two new observable quantities, the degree and the angle of polarization. POLARIX is a mission dedicated to X-ray polarimetry. It exploits the polarimetric response of a Gas Pixel Detector, combined with position sensitivity, that, at the focus of a telescope, results in a huge increase of sensitivity. Three Gas Pixel Detectors are coupled with three X-ray optics which are the heritage of JET-X mission. POLARIX will measure time resolved X-ray polarization with an angular resolution of about 20 arcsec in a field of view of 15 arcmin $\times$ 15 arcmin and with an energy resolution of 20 % at 6 keV. The Minimum Detectable Polarization is 12 % for a source having a flux of 1 mCrab and 10^5 s of observing time. The satellite will be placed in an equatorial orbit of 505 km of altitude by a Vega launcher.The telemetry down-link station will be Malindi. The pointing of POLARIX satellite will be gyroless and it will perform a double pointing during the earth occultation of one source, so maximizing the scientific return. POLARIX data are for 75 % open to the community while 25 % + SVP (Science Verification Phase, 1 month of operation) is dedicated to a core program activity open to the contribution of associated scientists. The planned duration of the mission is one year plus three months of commissioning and SVP, suitable to perform most of the basic science within the reach of this instrument., Comment: 42 pages, 28 figures
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- 2011
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20. X-ray single photon detection with XPOL-III
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Sgrò, Carmelo, primary, Baldini, Luca, additional, Bellazzini, Ronaldo, additional, Brez, Alessandro, additional, Ceccanti, Marco, additional, Latronico, Luca, additional, Lucchesi, Leonardo, additional, Manfreda, Alberto, additional, Minuti, Massimo, additional, Orsini, Leonardo, additional, Pesce-Rollins, Melissa, additional, Pinchera, Michele, additional, Profeti, Alessandro, additional, and Spandre, Gloria, additional
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- 2023
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21. XPOL: a photoelectric polarimeter onboard XEUS
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Costa, Enrico, Bellazzini, Ronaldo, Bregeon, Jean, Brez, Alessandro, Frutti, Massimo, Di Cosimo, Sergio, Latronicio, Luca, Lazzarotto, Francesco, Matt, Giorgio, Minuti, Massimo, Morelli, Ennio, Muleri, Fabio, Pinchera, Michele, Razzano, Massimiliano, Rubini, Alda, Soffitta, Paolo, and Spandre, Gloria
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Astrophysics - Abstract
The XEUS mission incorporates two satellites: the Mirror Spacecraft with 5 m2 of collecting area at 1 keV and 2 m2 at 7 keV, and an imaging resolution of 5" HEW and the Payload Spacecraft which carries the focal plane instrumentation. XEUS was submitted to ESA Cosmic Vision and was selected for an advanced study as a large mission. The baseline design includes XPOL, a polarimeter based on the photoelectric effect, that takes advantage of the large effective area which permits the study of the faint sources and of the long focal length, resulting in a very good spatial resolution, which allows the study of spatial features in extended sources. We show how, with XEUS, Polarimetry becomes an efficient tool at disposition of the Astronomical community., Comment: 10 pages, 6 figures
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- 2008
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22. The Gas Pixel Detector as an X-ray photoelectric polarimeter with a large field of view
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Muleri, Fabio, Soffitta, Paolo, Bellazzini, Ronaldo, Brez, Alessandro, Costa, Enrico, Fabiani, Sergio, Frutti, Massimo, Minuti, Massimo, Negri, Maria Barbara, Pinchera, Michele, Rubini, Alda, and Spandre, Gloria
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Astrophysics - Abstract
The Gas Pixel Detector (GPD) is a new generation device which, thanks to its 50 um pixels, is capable of imaging the photoelectrons tracks produced by photoelectric absorption in a gas. Since the direction of emission of the photoelectrons is strongly correlated with the direction of polarization of the absorbed photons, this device has been proposed as a polarimeter for the study of astrophysical sources, with a sensitivity far higher than the instruments flown to date. The GPD has been always regarded as a focal plane instrument and then it has been proposed to be included on the next generation space-borne missions together with a grazing incidence optics. Instead in this paper we explore the feasibility of a new kind of application of the GPD and of the photoelectric polarimeters in general, i.e. an instrument with a large field of view. By means of an analytical treatment and measurements, we verify if it is possible to preserve the sensitivity to the polarization for inclined beams, opening the way for the measurement of X-ray polarization for transient astrophysical sources. While severe systematic effects arise for inclination greater than about 20 degrees, methods and algorithms to control them are discussed., Comment: 11 pages, 8 figures
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- 2008
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23. A versatile facility for the calibration of X-ray polarimeters with polarized and unpolarized controlled beams
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Muleri, Fabio, Soffitta, Paolo, Bellazzini, Ronaldo, Brez, Alessandro, Costa, Enrico, Frutti, Massimo, Mastropietro, Marcello, Morelli, Ennio, Pinchera, Michele, Rubini, Alda, and Spandre, Gloria
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Astrophysics - Abstract
We devised and built a versatile facility for the calibration of the next generation X-ray polarimeters with unpolarized and polarized radiation. The former is produced at 5.9 keV by means of a Fe55 radioactive source or by X-ray tubes, while the latter is obtained by Bragg diffraction at nearly 45 degrees. Crystals tuned with the emission lines of X-ray tubes with molybdenum, rhodium, calcium and titanium anodes are employed for the efficient production of highly polarized photons at 2.29, 2.69, 3.69 and 4.51 keV respectively. Moreover the continuum emission is exploited for the production of polarized photons at 1.65 keV and 2.04 keV and at energies corresponding to the higher orders of diffraction. The photons are collimated by means of interchangeable capillary plates and diaphragms, allowing a trade-off between collimation and high fluxes. The direction of the beam is accurately arranged by means of high precision motorized stages, controlled via computer so that long and automatic measurements can be done. Selecting the direction of polarization and the incidence point we can map the response of imaging devices to both polarized and unpolarized radiation. Changing the inclination of the beam we can study the systematic effects due to the focusing of grazing incidence optics and the feasibility of instruments with large field of view., Comment: 12 pages, 11 figures
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- 2008
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24. POLARIX: a small mission of x-ray polarimetry
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Costa, Enrico, Bellazzini, Ronaldo, Soffitta, Paolo, Muleri, Fabio, Feroci, Marco, Frutti, Massimo, Mastropietro, Marcello, Pacciani, Luigi, Rubini, Alda, Morelli, Ennio, Baldini, Luca, Bitti, Francesco, Brez, Alessandro, Cavalca, Francesco, Latronico, Luca, Massai, Marco Maria, Omodei, Nicola, Pinchera, Michele, Sgro', Carmelo, Spandre, Gloria, Matt, Giorgio, Perola, Giuseppe Cesare, Chincarini, Guido, Citterio, Oberto, Tagliaferri, Gianpiero, Pareschi, Giovanni, and Cotroneo, Vincenzo
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Astrophysics - Abstract
X-Ray Polarimetry can be now performed by using a Micro Pattern Gas Chamber in the focus of a telescope. It requires large area optics for most important scientific targets. But since the technique is additive a dedicated mission with a cluster of small telescopes can perform many important measurements and bridge the 40 year gap between OSO-8 data and future big telescopes such as XEUS. POLARIX has been conceived as such a pathfinder. It is a Small Satellite based on the optics of JET-X. Two telescopes are available in flight configuration and three more can be easily produced starting from the available superpolished mandrels. We show the capabilities of such a cluster of telescopes each equipped with a focal plane photoelectric polarimeter and discuss a few alternative solutions., Comment: 9 pages, 5 figures
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- 2006
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25. A photoelectric polarimeter for XEUS: a new window in x-ray sky
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Bellazzini, Ronaldo, Baldini, Luca, Bitti, Francesco, Brez, Alessandro, Cavalca, Francesco, Latronico, Luca, Massai, Marco Maria, Omodei, Nicola, Pinchera, Michele, Sgro', Carmelo, Spandre, Gloria, Costa, Enrico, Soffitta, Paolo, Di Persio, Giuseppe, Feroci, Marco, Muleri, Fabio, Pacciani, Luigi, Rubini, Alda, Morelli, Ennio, Matt, Giorgio, and Perola, Giuseppe Cesare
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Astrophysics - Abstract
XEUS is a large area telescope aiming to rise X-ray Astronomy to the level of Optical Astronomy in terms of collecting areas. It will be based on two satellites, locked on a formation flight, one with the optics, one with the focal plane. The present design of the focal plane foresees, as an auxiliary instrument, the inclusion of a Polarimeter based on a Micropattern Chamber. We show how such a device is capable to solve open problems on many classes of High Energy Astrophysics objects and to use X-ray sources as a laboratory for a substantial progress on Fundamental Physics., Comment: 12 pages, 7 figures
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- 2006
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26. An X-ray polarimeter for hard X-ray optics
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Muleri, Fabio, Bellazzini, Ronaldo, Costa, Enrico, Soffitta, Paolo, Lazzarotto, Francesco, Feroci, Marco, Pacciani, Luigi, Rubini, Alda, Morelli, Ennio, Baldini, Luca, Bitti, Francesco, Brez, Alessandro, Cavalca, Francesco, Latronico, Luca, Massai, Marco Maria, Omodei, Nicola, Pinchera, Michele, Sgro', Carmelo, Spandre, Gloria, Matt, Giorgio, Perola, Giuseppe Cesare, Citterio, Oberto, Pareschi, Giovanni, Cotroneo, Vincenzo, Spiga, Daniele, and Canestrari, Rodolfo
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Astrophysics - Abstract
Development of multi-layer optics makes feasible the use of X-ray telescope at energy up to 60-80 keV: in this paper we discuss the extension of photoelectric polarimeter based on Micro Pattern Gas Chamber to high energy X-rays. We calculated the sensitivity with Neon and Argon based mixtures at high pressure with thick absorption gap: placing the MPGC at focus of a next generation multi-layer optics, galatic and extragalactic X-ray polarimetry can be done up till 30 keV., Comment: 12 pages, 7 figures
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- 2006
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27. Advances in gas pixel detectors for x-ray polarimetry: development of the bake and fill system (BFS)
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Lucchesi, Leonardo, primary, Minuti, Massimo, additional, Nuti, Alessio, additional, Orsini, Leonardo, additional, Pinchera, Michele, additional, and Sgrò, Carmelo, additional
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- 2023
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28. XPOL-III a new generation low noise readout ASIC for x-ray single photon detection
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Minuti, Massimo, primary, Baldini, Luca, additional, Brez, Alessandro, additional, Bellazzini, Ronaldo, additional, Pesce-Rollins, Melissa, additional, Pinchera, Michele, additional, Latronico, Luca, additional, Lucchesi, Leonardo, additional, Manfreda, Alberto, additional, Orsini, Leonardo, additional, Sgrò, Carmelo, additional, and Spandre, Gloria, additional
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- 2023
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29. IXPE Mission System Concept and Development Status
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Deininger, William D, Kalinowski, William, Masciarelli, James, Gray, Stu, Peterson, Colin, Hibbard, Grant, Wedmore, Jeff, Bladt, Jeff, Weisskopf, Martin C, Ramsey, Brian D, O'Dell, Stephen L, Tennant, Allyn, Mize, Rondald, Foster, Michele, Soffitta, Paolo, Muleri, Fabio, Santoli, Francesco, Del Monte, Ettore, Baldini, Lucca, Pinchera, Michele, Latronico, Lucca, Trois, Alessio, and Osborne, Darren
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Space Sciences (General) - Abstract
The Goal of the Imaging X-Ray Polarimetry Explorer (IXPE) Mi SMEX), is to expand understanding of high-energy astrophysical processes and sources, in support of NASA’s first science objective in Astrophysics: “Discover how the universe works.” IXPE, an international collaboration, will conduct X-ray imaging polarimetry for multiple categories of cosmic X-ray sources such as neutron stars, stellar-mass black holes, supernova remnants and active galactic nuclei. The Observatory uses a single science operational mode capturing the X-ray data from the targets. The IXPE Observatory consists of spacecraft and payload modules built up in parallel to form the Observatory during system integration and test. The payload includes three X-ray telescopes each consisting of a polarization-sensitive, gas pixel X-ray detector, paired with its corresponding grazing incidence mirror module assembly (MMA). A deployable boom provides the correct separation (focal length) between the detector units (DU) and MMAs. These payload elements are supported by the IXPE spacecraft which is derived from the BCP-small spacecraft architecture. This paper summarizes the IXPE mission science objectives, updates the Observatory implementation concept including the payload and spacecraft ts and summarizes the mission status since last year’s conference.
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- 2020
30. The Imaging X-Ray Polarimetry Explorer (IXPE): Technical Overview II
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O'Dell, Stephen L, Attin, Primo, Baldini, Luca, Barbanera, Mattia, Baumgartner, Wayne H, Bellazzini, Ronaldo, Bladt, Jeff, Bongiorno, Stephen D, Brez, Alessandro, Cavazzuti, Elisabetta, Citraro, Saverio, Costa, Enrico, Deininger, William D, Del Monte, Ettore, Dietz, Kurtis L, Di Lalla, Niccolò, Donnarumma, Immacolata, Elsner, Ronald F, Fabiani, Sergio, Ferrazzoli, Riccardo, Guy, Larry, Kalinowski, William, Kaspi, Victoria M, Kelley, Anthony R, Kolodziejczak, Jeffery J, Latronico, Luca, Lefevre, Carlo, Lucchesi, Leonardo, Manfreda, Alberto, Marshall, Herman L, Masciarelli, James, Matt, Giorgio, Minuti, Massimo, Muleri, Fabio, Nasimi, Hikmat, Nuti, Alessio, Orsini, Leonardo, Osborne, Darren, Perri, Matteo, Pesce-Rollins, Melissa, Peterson, Colin, Pinchera, Michele, Puccetti, Simonetta, Ramsey, Brian D, Ratheesh, Ajay, Romani, Roger W, Santoli, Francesco, Sciortino, Andrea, Sgr, Carmelo, Smith, Brian T, Spandre, Gloria, Soffitta, Paolo, Tennant, Allyn F, Tobia, Antonino, Trois, Alessio, Wedmore, Jeffrey, Weisskopf, Martin C, Xie, Fei, Zanetti, Francesco, Alexander, Cheryl, Allen, D. Zachery, Amici, Fabrizio, Antoniak, Spencer, Bonino, Raffaella, Borotto, Fabio, Breeding, Shawn, Brienza, Daniele, Bygott, H. Kyle, Caporale, Ciro, Cardelli, Claudia, Ceccanti, Marco, Centrone, Mauro, Di Persio, Giuseppe, Evangelista, Yuri, Ferrie, MacKenzie, Footdale, Joseph, Forsyth, Brent, Foster, Michelle, Gunji, Shuichi, Gurnee, Eli, Hibbard, Grant, Johnson, Sandra, Kelly, Eric, Kilaru, Kiranmayee, La Monaca, Fabio, Le Roy, Shelley, Loffredo, Pasqualino, Magazzu, Guido, Marengo, Marco, Marrocchesi, Alessandra, Massaro, Francesco, McCracken, Jeffrey, McEachen, Michael, Mereu, Paolo, Mitchell, Scott, Mitsuishi, Ikuyuki, Morbidini, Alfredo, Mosti, Federico, Negro, Michela, Oppedisano, Chiara, Pacheco, Richard, Paggi, Alessandro, Pavelitz, Steven D, Pentz, Christina, Piazzolla, Raffaele, Porter, Brad, Profeti, Alessandro, Ranganathan, Jaganathan, Rankin, John, Root, Noah, Rubini, Alda, Ruswick, Stephanie, Sanchez, Javier, Scalise, Emanuele, Schindhelm, Sarah, Speegle, Chet O, Tamagawa, Toru, Tardiola, Marcello, Walden, Amy L, Weddendorf, Bruce, and Welch, David
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Spacecraft Design, Testing And Performance - Abstract
The Imaging X-ray Polarimetry Explorer (IXPE) will add polarization to the properties (time, energy, and position) observed in x-ray astronomy. A NASA Astrophysics Small Explorer (SMEX) in partnership with the Italian Space Agency (ASI), IXPE will measure the 2–8-keV polarization of a few dozen sources during the first 2 years following its 2021 launch. The IXPE Observatory includes three identical x-ray telescopes, each comprising a 4-m-focal-length (grazingincidence) mirror module assembly (MMA) and a polarization-sensitive (imaging) detector unit (DU), separated by a deployable optical bench. The Observatory’s Spacecraft provides typical subsystems (mechanical, structural, thermal, power, electrical, telecommunications, etc.), an attitude determination and control subsystem for 3-axis stabilized pointing, and a command and data handling subsystem communicating with the science instrument and the Spacecraft subsystems.
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- 2019
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31. The Imaging X-ray Polarimetry Explorer (IXPE): Technical Overview
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O'Dell, Stephen L, Baldini, Luca, Bellazzini, Ronaldo, Costa, Enrico, Elsner, Ronald F, Kaspi, Victoria M, Kolodziejczak, Jeffery J, Latronico, Luca, Marshall, Herman L, Matt, Giorgio, Muleri, Fabio, Ramsey, Brian D, Romani, Roger W, Soffitta, Paolo, Tennant, Allyn F, Weisskopf, Martin C, Allen, D. Zachery, Amici, Fabrizio, Antonelli, L. Angelo, Antoniak, Spencer, Attina, Primo, Bachetti, Matteo, Barbanera, Mattia, Baumgartner, Wayne H, Bladt, Jeff, Bongiorno, Stephen D, Borotto, Fabio, Brez, Alessandro, Brooks, Thomas, Bussinger, Scott, Bygott, H. Kyle, Cavazzuti, Elisabetta, Ceccanti, Marco, Citraro, Saverio, Deininger, William D, Monte, Ettore Del, Dietz, Kurtis L, Lalla, Niccolò Di, Persio, Giuseppe Di, Donnarumma, Immacolata, Erickson, Jennifer, Evangelista, Yuri, Fabiani, Sergio, Ferrazzoli, Riccardo, Foster, Michelle, Giusti, Manuela, Gunji, Shuichi, Guy, Larry, Johnson, Sandra, Kalinowski, William, Kelley, Anthony R, Kilaru, Kiranmayee, Lefevre, Carlo, Maldera, Simone, Manfreda, Alberto, Marengo, Marco, Masciarelli, James, McEachen, Mike, Mereu, Paolo, Minuti, Massimo, Mitchell, Mark A, Mitchell, Scott, Mitsuishi, Ikuyuki, Morbidini, Alfredo, Mosti, Federico, Nasimi, Hikmat, Negri, Barbara, Orsini, Leonardo, Osborne, Darren, Pavelitz, Steven D, Pentz, Christina, Perri, Matteo, Pesce-Rollins, Melissa, Peterson, Colin, Piazzolla, Raffaele, Pieraccini, Stefano, Pilia, Maura, Pinchera, Michele, Puccetti, Simonetta, Ranganathan, Jaganathan, Read, Tim, Rubini, Alda, Santoli, Francesco, Sarra, Paolo, Schindhelm, Sarah, Sciortino, Andrea, Seckar, Chris, Sgr, Carmelo, Smith, Brian T, Spandre, Gloria, Speegle, Chet O, Tamagawa, Toru, Tardiola, Marcello, Tobia, Antonino, Tortosa, Alessia, Trois, Alessio, Weddendorf, Bruce, Wedmore, Jeff, and Zanetti, Davide
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Astronomy - Abstract
The Imaging X-ray Polarimetry Explorer (IXPE) will expand the information space for study of cosmic sources, by adding linear polarization to the properties (time, energy, and position) observed in x-ray astronomy. Selected in 2017 January as a NASA Astrophysics Small Explorer (SMEX) mission, IXPE will be launched into an equatorial orbit in 2021. The IXPE mission will provide scientifically meaningful measurements of the x-ray polarization of a few dozen sources in the 2-8 keV band, including polarization maps of several x-ray-bright extended sources and phase-resolved polarimetry of many bright pulsating x-ray sources.
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- 2018
32. The enhanced x-ray timing and polarimetry mission: eXTP: an update on its scientific cases, mission profile and development status
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Zhang, Shuang Nan, Santangelo, Andrea, Xu, Yupeng, Feroci, Marco, Hernanz, Margarita, Lu, Fangjun, Chen, Yong, Feng, Hua, Nandra, Kirpal, Jiang, Weichun, Svoboda, Jiri, Brandt, Søren, Schanne, Stéphane, Zand, Jean, Michalska, Malgorzata, Bozzo, Enrico, Kalemci, Emrah, Agudo, Ivan, Ahangarianabhari, Mahdi, Aitink-Kroes, Gabby, Ambrosi, Giovanni, Ambrosino, Filippo, An, Zhenghua, Perez Torres, Miguel Angel, Antonelli, Matias, Argan, Andrea, Babinec, Viktor, Baldini, Luca, Barbera, Marco, van Baren, Coen, Baudin, David, Bayer, Jörg, Bellazzini, Ronaldo, Bellutti, Pierluigi, Bertucci, Bruna, Bertuccio, Giuseppe, Bi, Xingzi, Boezio, Mirko, Bonvicini, Valter, Bonvicini, Walter, Bordas, Pol, Borghese, Alice, Borghi, Giacomo, Bouyjou, Florent, Bozkurt, Ayhan, Brez, Alessandro, Brienza, Daniele, Cadoux, Franck, Campana, Riccardo, Cao, Jiewei, Cao, Xuelei, Casares, Jorge, Cavazzuti, Elisabetta, Ceraudo, Francesco, Chen, Tianxiang, Chen, Wen, Chen, Can, Chen, Yupeng, Chen, Xin, Chen, Yehai, Chenevez, Jerome, Cheng, Yaodong, Cirrincione, Daniela, Civitani, Marta, Cong, Min, Zelati, Francesco Coti, Cui, Weiwei, Cui, Tao, Cui, Wei, Dai, Boyu, Dauser, Thomas, De Angelis, Nicolas, De Marco, Barbara, De Rosa, Alessandra, Monte, Ettore Del, Cosimo, Sergio Di, Diebold, Sebastian, Dilillo, Giuseppe, Ding, Fei, Dohnal, Roman, Dong, Zefang, Donnarumma, Immacolata, Dovciak, Michal, Du, Yuanyuan, Ducci, Lorenzo, Evangelista, Yuri, Fan, Qingmei, Favre, Yannick, Ferrés, Patrícia, Fiandrini, Emanuele, Ficorella, Francesco, Fuschino, Fabio, Gálvez, José Luis, Gao, Na, Gao, Min, Ge, Yuqiang, Ge, Mingyu, Gevin, Olivier, Grassi, Marco, Gu, Yudong, Gu, Quanying, Guan, Ju, Guedel, Manuel, Han, Xingbo, Han, Dawei, He, Huilin, He, Junwang, Hedderman, Paul, den Herder, Jan Willem, Hong, Bin, Hormaetxe, Ander, Hou, Dongjie, Hu, Zexun, Hu, Hao, Hu, Qingbao, Hu, Yu, Huang, Yue, Huang, Jiangjiang, Huang, Qiushi, Huo, Jia, Hynek, Richard, Iwasawa, Kazumi, Izzo, Lucca, Ji, Long, Jia, Shumei, Jiang, Bowen, Jiang, Wei, Jiang, Jiechen, Jiang, Xiaowei, Jiao, Yang, Jin, Ge, Jin, Fan, Jose, Jordi, Karas, Vladimir, Kennedy, Thomas, Kirsch, Christian, Kole, Merlin, Komarek, Martin, Kreykenbohm, Ingo, Kuiper, Lucien, Kuvvetli, Irfan, Labanti, Claudio, Latronico, Luca, Laubert, Phillip, Li, Tao, Li, Longhui, Li, Hong, Li, Duo, Li, Wei, Li, Maoshun, Li, Gang, Li, Xiaobo, Li, Chengkui, Li, Bing, Li, Haibo, Liang, Hong, Liao, Qiuyan, Liao, Jinyuan, Limousin, Olivier, Lin, Yanjian, Linares, Manuel, Liu, Rui, Liu, Yichen, Liu, Zhihao, Liu, Hongwei, Liu, Xiaojing, Liu, Xiaohua, Cicero, Ugo Lo, Loehring, Jens, Lombardi, Giovanni, Lorenz, Maximilian, Lu, Bing, Lucchesi, Leonardo, Luo, Tao, Luo, Laidan, Ma, Jia, Ma, Xiang, Macera, Daniele, Malcovati, Piero, Manfreda, Alberto, Paredes, Josep Maria, Marinucci, Andrea, Martindale, Adrian, Meidinger, Norbert, Mele, Filippo, Mendes, Vasco, Meng, Bin, Merkl, Martin, Meuris, Aline, Miniutti, Giovanni, Minuti, Massimo, Morbidini, Alfredo, Morgante, Gianluca, Muleri, Fabio, Munini, Riccardo, Mussolin, Lorenzo, Negri, Barbara, Nie, Jianyin, Novák, Petr, Nowosielski, Witold, Nuti, Alessio, Onat, Ahmet, Orleanski, Piotr, Orsini, Leonardo, Ottensamer, Roland, Ou, Ge, Pacciani, Luigi, Paltani, Stephane, Pan, Teng, Pan, Kai, Pareschi, Giovanni, Patruno, Alessandro, Pepponi, Giancarlo, Perinati, Emanuele, Piazzolla, Raffaele, Picciotto, Antonino, Piemonte, Claudio, Pinchera, Michele, Pliego, Samuel, Poutanen, Juri, Qi, Liqiang, Qi, Fazhi, Qiang, Pengfei, Qiao, Fangjian, Qiao, Zheng, Qiu, Xiangbiao, Qiu, Chengbo, Qu, Jinlu, Rachevski, Alexandre, Rashevskaia, Irina, Rea, Nanda, Ribo, Marc, de la Rie, Rob, Rodriguez, Jerome, Gil, Pablo Rodríguez, Sala, Gloria, Schanz, Thomas, Serafinelli, Roberto, Sgro, Carmelo, Shen, Zhengxiang, Sheng, Lizhi, Shi, Jingyan, Sironi, Giorgia, Skup, Konrad, Song, Liming, Song, Zeyu, Song, Jiangbo, Spandre, Gloria, Spiga, Daniele, Su, Yongquan, Sun, Liang, Sungur, Müberra, Svéda, Libor, Tagliaferri, Gianpiero, Tan, Ying, Tao, Lian, Tcherniak, Denis, Tenzer, Chris, Todaro, Michela, Tolos, Laura, Torok, Gabriel, Torres, Diego F., Trois, Alessio, Turhan, Onur, Uttley, Phil, Vacchi, Andrea, Virgilli, Enrico, Vogel, Channah, Walton, Dave, Wang, Jian, Wang, Xianqi, Wang, Bo, Wang, Langping, Wang, Xiaofeng, Wang, Dianlong, Wang, Yusa, Wang, Juan, Wang, Hao, Wang, Ruijie, Wang, Ping, Wang, Lingjun, Wang, Wenshuai, Wang, Tian, Wang, Haoyu, Wang, Zhanshan, Watts, Anna L., Wen, Xiangyang, Wilms, Jörn, Winter, Berend, Wu, Xin, Wu, Chao, Wu, Zhenyu, Wu, Qiong, Wu, Kaiji, Xiong, Hao, Xiong, Shaolin, Xu, Wei, Xu, Zhao, Xu, Jingjing, Xu, Xiongwei, Xue, Jiadai, Yan, Yongqing, Yan, Xingtao, Yang, Xianghui, Yang, Yanji, Yang, Xiongtao, Yang, Sheng, Yang, Jiawei, Yang, Yingquan, Yi, Shuxu, Yu, Yonggao, Yu, Ke, Zampa, Ganluigi, Zampa, Nicola, Zane, Silvia, Zdziarski, Andrzej A., Zhang, Long, Zhang, Shu, Zhang, Wenda, Zhang, Xiaoli, Zhang, Zhen, Zhang, Jiawei, Zhang, Fan, Zhang, Ziliang, Zhang, Dali, Zhang, Honglin, Zhang, Aimei, Zhang, Tong, Zhang, Hongmei, Zhang, Juan, Zhang, Liang, Zhang, Yueting, Zhao, Li, Zhao, Baosheng, Zhao, Zijian, Zhao, Xiaofan, Zhao, Haisheng, Zhao, Xiaoyun, Zheng, Shijie, Zhou, Yupeng, Zhou, Xiaohong, Zhu, Jiahuan, Zhu, Yuxuan, Zhu, Cheng, Zhu, Zhencai, Zorzi, Nicola, Zwart, Frans, den Herder, Jan-Willem A., Nikzad, Shouleh, Nakazawa, Kazuhiro, Chinese Academy of Sciences, Agenzia Spaziale Italiana, Ministerio de Ciencia e Innovación (España), Federal Ministry of Economics and Technology (Germany), and Foundation for Polish Science
- Subjects
Equation of state ,Extreme gravity ,Black hole ,X-ray timing ,X-ray polarimetry ,Neutron star ,Extreme magnetism ,Extreme density - Abstract
Space Telescopes and Instrumentation 2022: Ultraviolet to Gamma Ray (2022), Montreal, Jul 17-22, 2022.--Proceedings of SPIE - The International Society for Optical Engineering vol. 12181 Article number 121811W.-- Full list of authors: Zhang, Shuang-Nan; Santangelo, Andrea; Xu, Yupeng; Feroci, Marco; Hernanz, Margarita; Lu, Fangjun; Chen, Yong; Feng, Hua; Nandra, Kirpal; Jiang, Weichun; Svoboda, Jiri; Brandt, Soren; Schanne, Stephane; in't Zand, Jean; Michalska, Malgorzata; Bozzo, Enrico; Kalemci, Emrah; Agudo, Ivan; Ahangarianabhari, Mahdi; Aitink-Kroes, Gabby; Ambrosi, Giovanni; Ambrosino, Filippo; An, Zhenghua; Perez Torres, Miguel Angel; Antonelli, Matias; Argan, Andrea; Babinec, Viktor; Baldini, Luca; Barbera, Marco; van Baren, Coen; Baudin, David; Bayer, Joerg; Bellazzini, Ronaldo; Bellutti, Pierluigi; Bertucci, Bruna; Bertuccio, Giuseppe; Bi, Xingzi; Boezio, Mirko; Bonvicini, Valter; Bonvicini, Walter; Bordas, Pol; Borghese, Alice; Borghi, Giacomo; Bouyjou, Florent; Bozkurt, Ayhan; Brez, Alessandro; Brienza, Daniele; Cadoux, Franck; Campana, Riccardo; Cao, Jiewei; Cao, Xuelei; Casares, Jorge; Cavazzuti, Elisabetta; Ceraudo, Francesco; Chen, Tianxiang; Chen, Wen; Chen, Can; Chen, Yupeng; Chen, Xin; Chen, Yehai; Chenevez, Jerome; Cheng, Yaodong; Cirrincione, Daniela; Civitani, Marta; Cong, Min; Coti Zelati, Francesco; Cui, Weiwei; Cui, Tao; Cui, Wei; Dai, Boyu; Dauser, Thomas; De Angelis, Nicolas; De Marco, Barbara; De Rosa, Alessandra; Del Monte, Ettore; Di Cosimo, Sergio; Diebold, Sebastian; Dilillo, Giuseppe; Ding, Fei; Dohnal, Roman; Dong, Zefang; Donnarumma, Immacolata; Dovciak, Michal; Du, Yuanyuan; Ducci, Lorenzo; Evangelista, Yuri; Fan, Qingmei; Favre, Yannick; Ferres, Patricia; Fiandrini, Emanuele; Ficorella, Francesco; Fuschino, Fabio; Luis Galvez, Jose; Gao, Na; Gao, Min; Ge, Yuqiang; Ge, Mingyu; Gevin, Olivier; Grassi, Marco; Gu, Yudong; Gu, Quanying; Guan, Ju; Guedel, Manuel; Han, Xingbo; Han, Dawei; He, Huilin; He, Junwang; Hedderman, Paul; den Herder, Jan-Willem; Hong, Bin; Hormaetxe, Ander; Hou, Dongjie; Hu, Zexun; Hu, Hao; Hu, Qingbao; Hu, Yu; Huang, Yue; Huang, Jiangjiang; Huang, Qiushi; Huo, Jia; Hynek, Richard; Iwasawa, Kazumi; Izzo, Lucca; Ji, Long; Jia, Shumei; Jiang, Bowen; Jiang, Wei; Jiang, Jiechen; Jiang, Xiaowei; Jiao, Yang; Jin, Ge; Jin, Fan; Jose, Jordi; Karas, Vladimir; Kennedy, Thomas; Kirsch, Christian; Kole, Merlin; Komarek, Martin; Kreykenbohm, Ingo; Kuiper, Lucien; Kuvvetli, Irfan; Labanti, Claudio; Latronico, Luca; Laubert, Phillip; Li, Tao; Li, Longhui; Li, Hong; Li, Duo; Li, Wei; Li, Maoshun; Li, Gang; Li, Xiaobo; Li, Chengkui; Li, Bing; Li, Haibo; Liang, Hong; Liao, Qiuyan; Liao, Jinyuan; Limousin, Olivier; Lin, Yanjian; Linares, Manuel; Liu, Rui; Liu, Yichen; Liu, Zhihao; Liu, Hongwei; Liu, Xiaojing; Liu, Xiaohua; Lo Cicero, Ugo; Loehring, Jens; Lombardi, Giovanni; Lorenz, Maximilian; Lu, Bing; Lucchesi, Leonardo; Luo, Tao; Luo, Laidan; Ma, Jia; Ma, Xiang; Macera, Daniele; Malcovati, Piero; Manfreda, Alberto; Maria Paredes, Josep; Marinucci, Andrea; Martindale, Adrian; Meidinger, Norbert; Mele, Filippo; Mendes, Vasco; Meng, Bin; Merkl, Martin; Meuris, Aline; Miniutti, Giovanni; Minuti, Massimo; Morbidini, Alfredo; Morgante, Gianluca; Muleri, Fabio; Munini, Riccardo; Mussolin, Lorenzo; Negri, Barbara; Nie, Jianyin; Novak, Petr; Nowosielski, Witold; Nuti, Alessio; Onat, Ahmet; Orleanski, Piotr; Orsini, Leonardo; Ottensamer, Roland; Ou, Ge; Pacciani, Luigi; Paltani, Stephane; Pan, Teng; Pan, Kai; Pareschi, Giovanni; Patruno, Alessandro; Pepponi, Giancarlo; Perinati, Emanuele; Piazzolla, Raffaele; Picciotto, Antonino; Piemonte, Claudio; Pinchera, Michele; Pliego, Samuel; Poutanen, Juri; Qi, Liqiang; Qi, Fazhi; Qiang, Pengfei; Qiao, Fangjian; Qiao, Zheng; Qiu, Xiangbiao; Qiu, Chengbo; Qu, Jinlu; Rachevski, Alexandre; Rashevskaia, Irina; Rea, Nanda; Ribo, Marc; de la Rie, Rob; Rodriguez, Jerome; Rodriguez Gil, Pablo; Sala, Gloria; Schanz, Thomas; Serafinelli, Roberto; Sgro, Carmelo; Shen, Zhengxiang; Sheng, Lizhi; Shi, Jingyan; Sironi, Giorgia; Skup, Konrad; Song, Liming; Song, Zeyu; Song, Jiangbo; Spandre, Gloria; Spiga, Daniele; Su, Yongquan; Sun, Liang; Sungur, Muberra; Sveda, Libor; Tagliaferri, Gianpiero; Tan, Ying; Tao, Lian; Tcherniak, Denis; Tenzer, Chris; Todaro, Michela; Tolos, Laura; Torok, Gabriel; Torres, Diego F.; Trois, Alessio; Turhan, Onur; Uttley, Phil; Vacchi, Andrea; Virgilli, Enrico; Vogel, Channah; Walton, Dave; Wang, Jian; Wang, Xianqi; Wang, Bo; Wang, Langping; Wang, Xiaofeng; Wang, Dianlong; Wang, Yusa; Wang, Juan; Wang, Hao; Wang, Ruijie; Wang, Ping; Wang, Lingjun; Wang, Wenshuai; Wang, Tian; Wang, Haoyu; Wang, Zhanshan; Watts, Anna L.; Wen, Xiangyang; Wilms, Joern; Winter, Berend; Wu, Xin; Wu, Chao; Wu, Zhenyu; Wu, Qiong; Wu, Kaiji; Xiong, Hao; Xiong, Shaolin; Xu, Wei; Xu, Zhao; Xu, Jingjing; Xu, Xiongwei; Xue, Jiadai; Yan, Yongqing; Yan, Xingtao; Yang, Xianghui; Yang, Yanji; Yang, Xiongtao; Yang, Sheng; Yang, Jiawei; Yang, Yingquan; Yi, Shuxu; Yu, Yonggao; Yu, Ke; Zampa, Ganluigi; Zampa, Nicola; Zane, Silvia; Zdziarski, Andrzej A.; Zhang, Long; Zhang, Shu; Zhang, Wenda; Zhang, Xiaoli; Zhang, Zhen; Zhang, Jiawei; Zhang, Fan; Zhang, Ziliang; Zhang, Dali; Zhang, Honglin; Zhang, Aimei; Zhang, Tong; Zhang, Hongmei; Zhang, Juan; Zhang, Liang; Zhang, Yueting; Zhao, Li; Zhao, Baosheng; Zhao, Zijian; Zhao, Xiaofan; Zhao, Haisheng; Zhao, Xiaoyun; Zheng, Shijie; Zhou, Yupeng; Zhou, Xiaohong; Zhu, Jiahuan; Zhu, Yuxuan; Zhu, Cheng; Zhu, Zhencai; Zorzi, Nicola; Zwart, Frans, The enhanced X-ray Timing and Polarimetry mission (eXTP) is a flagship observatory for X-ray timing, spectroscopy and polarimetry developed by an International Consortium. Thanks to its very large collecting area, good spectral resolution and unprecedented polarimetry capabilities, eXTP will explore the properties of matter and the propagation of light in the most extreme conditions found in the Universe. eXTP will, in addition, be a powerful X-ray observatory. The mission will continuously monitor the X-ray sky, and will enable multiwavelength and multi-messenger studies. The mission is currently in phase B, which will be completed in the middle of 2022. © 2022 SPIE. All rights reserved., The Chinese team acknowledges support by the Chinese Academy of Sciences through the Strategic Priority Research Program, Grant No. XDA15020100. The Italian authors acknowledge funding support by the Italian Space Agency (under agreement n. 2020-3-HH.0 and ASI-INAF n.2017-14-H.O) and INFN (project XRO -X-ray Observatories). The Spanish authors acknowledge funding support from the MICIN/AEI grant PID2019-108709GB-I00. The German team acknowledges support from the Bundesministerium fur Wirtschaft und Technologie through the Deutsches Zentrum fur Luft-und Raumfahrt e.V. (DLR) under the grant number FKZ 50 OO 1902. The Polish team acknowledges FNP grant POIR.04.04.00-00-5C65/17. The Czech team acknowledges support from the GACR project 21-06825X. The Turkish team acknowledges support from the Turkish Space Agency., With funding from the Spanish government through the Severo Ochoa Centre of Excellence accreditation SEV-2017-0709
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- 2022
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33. Photoelectric X-ray Polarimetry with Gas Pixel Detectors
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Bellazzini, Ronaldo, Brez, Alessandro, Costa, Enrico, Minuti, Massimo, Muleri, Fabio, Pinchera, Michele, Rubini, Alda, Soffitta, Paolo, and Spandre, Gloria
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- 2013
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34. Calibration of the IXPE Focal Plane X-Ray Polarimeters to Polarized Radiation
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Di Marco, Alessandro, primary, Fabiani, Sergio, additional, La Monaca, Fabio, additional, Muleri, Fabio, additional, Rankin, John, additional, Soffitta, Paolo, additional, Xie, Fei, additional, Amici, Fabrizio, additional, attinà, Primo, additional, Bachetti, Matteo, additional, Baldini, Luca, additional, Barbanera, Mattia, additional, Baumgartner, Wayne, additional, Bellazzini, Ronaldo, additional, Borotto, Fabio, additional, Brez, Alessandro, additional, Brienza, Daniele, additional, Caporale, Ciro, additional, Cardelli, Claudia, additional, Carpentiero, Rita, additional, Castellano, Simone, additional, Castronuovo, Marco, additional, Cavalli, Luca, additional, Cavazzuti, Elisabetta, additional, Ceccanti, Marco, additional, Centrone, Mauro, additional, Citraro, Saverio, additional, Costa, Enrico, additional, D’Alba, Elisa, additional, D’Amico, Fabio, additional, Del Monte, Ettore, additional, Di Cosimo, Sergio, additional, Di Lalla, Niccolò, additional, Di Persio, Giuseppe, additional, Donnarumma, Immacolata, additional, Evangelista, Yuri, additional, Ferrazzoli, Riccardo, additional, Latronico, Luca, additional, Lefevre, Carlo, additional, Loffredo, Pasqualino, additional, Lorenzi, Paolo, additional, Lucchesi, Leonardo, additional, Magazzù, Carlo, additional, Magazzù, Guido, additional, Maldera, Simone, additional, Manfreda, Alberto, additional, Mangraviti, Elio, additional, Marengo, Marco, additional, Matt, Giorgio, additional, Mereu, Paolo, additional, Minuti, Massimo, additional, Morbidini, Alfredo, additional, Mosti, Federico, additional, Nasimi, Hikmat, additional, Negri, Barbara, additional, Nuti, Alessio, additional, O’Dell, Stephen L., additional, Orsini, Leonardo, additional, Perri, Matteo, additional, Pesce-Rollins, Melissa, additional, Piazzolla, Raffaele, additional, Pieraccini, Stefano, additional, Pilia, Maura, additional, Pinchera, Michele, additional, Profeti, Alessandro, additional, Puccetti, Simonetta, additional, Ramsey, Brian D., additional, Ratheesh, Ajay, additional, Rubini, Alda, additional, Santoli, Francesco, additional, Sarra, Paolo, additional, Scalise, Emanuele, additional, Sciortino, Andrea, additional, Sgrò, Carmelo, additional, Spandre, Gloria, additional, Tardiola, Marcello, additional, Tennant, Allyn F., additional, Tobia, Antonino, additional, Trois, Alessio, additional, Vimercati, Marco, additional, Weisskopf, Martin C., additional, Zanetti, Davide, additional, and Zanetti, Francesco, additional
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- 2022
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35. The enhanced X-ray Timing and Polarimetry mission – eXTP:an update on its scientific cases, mission profile and development status
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den Herder, Jan-Willem A., Nikzad, Shouleh, Nakazawa, Kazuhiro, Zhang, Shuang Nan, Santangelo, Andrea, Xu, Yupeng, Feroci, Marco, Hernanz, Margarita, Lu, Fangjun, Chen, Yong, Feng, Hua, Nandra, Kirpal, Jiang, Weichun, Svoboda, Jiri, Brandt, Søren, Schanne, Stéphane, Zand, Jean, Michalska, Malgorzata, Bozzo, Enrico, Kalemci, Emrah, Agudo, Ivan, Ahangarianabhari, Mahdi, Aitink-Kroes, Gabby, Ambrosi, Giovanni, Ambrosino, Filippo, An, Zhenghua, Perez Torres, Miguel Angel, Antonelli, Matias, Argan, Andrea, Babinec, Viktor, Baldini, Luca, Barbera, Marco, van Baren, Coen, Baudin, David, Bayer, Jörg, Bellazzini, Ronaldo, Bellutti, Pierluigi, Bertucci, Bruna, Bertuccio, Giuseppe, Bi, Xingzi, Boezio, Mirko, Bonvicini, Valter, Bonvicini, Walter, Bordas, Pol, Borghese, Alice, Borghi, Giacomo, Bouyjou, Florent, Bozkurt, Ayhan, Brez, Alessandro, Brienza, Daniele, Cadoux, Franck, Campana, Riccardo, Cao, Jiewei, Cao, Xuelei, Casares, Jorge, Cavazzuti, Elisabetta, Ceraudo, Francesco, Chen, Tianxiang, Chen, Wen, Chen, Can, Chen, Yupeng, Chen, Xin, Chen, Yehai, Chenevez, Jerome, Cheng, Yaodong, Cirrincione, Daniela, Civitani, Marta, Cong, Min, Zelati, Francesco Coti, Cui, Weiwei, Cui, Tao, Cui, Wei, Dai, Boyu, Dauser, Thomas, De Angelis, Nicolas, De Marco, Barbara, De Rosa, Alessandra, Monte, Ettore Del, Cosimo, Sergio Di, Diebold, Sebastian, Dilillo, Giuseppe, Ding, Fei, Dohnal, Roman, Dong, Zefang, Donnarumma, Immacolata, Dovciak, Michal, Du, Yuanyuan, Ducci, Lorenzo, Evangelista, Yuri, Fan, Qingmei, Favre, Yannick, Ferrés, Patrícia, Fiandrini, Emanuele, Ficorella, Francesco, Fuschino, Fabio, Gálvez, José Luis, Gao, Na, Gao, Min, Ge, Yuqiang, Ge, Mingyu, Gevin, Olivier, Grassi, Marco, Gu, Yudong, Gu, Quanying, Guan, Ju, Guedel, Manuel, Han, Xingbo, Han, Dawei, He, Huilin, He, Junwang, Hedderman, Paul, den Herder, Jan Willem, Hong, Bin, Hormaetxe, Ander, Hou, Dongjie, Hu, Zexun, Hu, Hao, Hu, Qingbao, Hu, Yu, Huang, Yue, Huang, Jiangjiang, Huang, Qiushi, Huo, Jia, Hynek, Richard, Iwasawa, Kazumi, Izzo, Lucca, Ji, Long, Jia, Shumei, Jiang, Bowen, Jiang, Wei, Jiang, Jiechen, Jiang, Xiaowei, Jiao, Yang, Jin, Ge, Jin, Fan, Jose, Jordi, Karas, Vladimir, Kennedy, Thomas, Kirsch, Christian, Kole, Merlin, Komarek, Martin, Kreykenbohm, Ingo, Kuiper, Lucien, Kuvvetli, Irfan, Labanti, Claudio, Latronico, Luca, Laubert, Phillip, Li, Tao, Li, Longhui, Li, Hong, Li, Duo, Li, Wei, Li, Maoshun, Li, Gang, Li, Xiaobo, Li, Chengkui, Li, Bing, Li, Haibo, Liang, Hong, Liao, Qiuyan, Liao, Jinyuan, Limousin, Olivier, Lin, Yanjian, Linares, Manuel, Liu, Rui, Liu, Yichen, Liu, Zhihao, Liu, Hongwei, Liu, Xiaojing, Liu, Xiaohua, Cicero, Ugo Lo, Loehring, Jens, Lombardi, Giovanni, Lorenz, Maximilian, Lu, Bing, Lucchesi, Leonardo, Luo, Tao, Luo, Laidan, Ma, Jia, Ma, Xiang, Macera, Daniele, Malcovati, Piero, Manfreda, Alberto, Paredes, Josep Maria, Marinucci, Andrea, Martindale, Adrian, Meidinger, Norbert, Mele, Filippo, Mendes, Vasco, Meng, Bin, Merkl, Martin, Meuris, Aline, Miniutti, Giovanni, Minuti, Massimo, Morbidini, Alfredo, Morgante, Gianluca, Muleri, Fabio, Munini, Riccardo, Mussolin, Lorenzo, Negri, Barbara, Nie, Jianyin, Novák, Petr, Nowosielski, Witold, Nuti, Alessio, Onat, Ahmet, Orleanski, Piotr, Orsini, Leonardo, Ottensamer, Roland, Ou, Ge, Pacciani, Luigi, Paltani, Stephane, Pan, Teng, Pan, Kai, Pareschi, Giovanni, Patruno, Alessandro, Pepponi, Giancarlo, Perinati, Emanuele, Piazzolla, Raffaele, Picciotto, Antonino, Piemonte, Claudio, Pinchera, Michele, Pliego, Samuel, Poutanen, Juri, Qi, Liqiang, Qi, Fazhi, Qiang, Pengfei, Qiao, Fangjian, Qiao, Zheng, Qiu, Xiangbiao, Qiu, Chengbo, Qu, Jinlu, Rachevski, Alexandre, Rashevskaia, Irina, Rea, Nanda, Ribo, Marc, de la Rie, Rob, Rodriguez, Jerome, Gil, Pablo Rodríguez, Sala, Gloria, Schanz, Thomas, Serafinelli, Roberto, Sgro, Carmelo, Shen, Zhengxiang, Sheng, Lizhi, Shi, Jingyan, Sironi, Giorgia, Skup, Konrad, Song, Liming, Song, Zeyu, Song, Jiangbo, Spandre, Gloria, Spiga, Daniele, Su, Yongquan, Sun, Liang, Sungur, Müberra, Svéda, Libor, Tagliaferri, Gianpiero, Tan, Ying, Tao, Lian, Tcherniak, Denis, Tenzer, Chris, Todaro, Michela, Tolos, Laura, Torok, Gabriel, Torres, Diego F., Trois, Alessio, Turhan, Onur, Uttley, Phil, Vacchi, Andrea, Virgilli, Enrico, Vogel, Channah, Walton, Dave, Wang, Jian, Wang, Xianqi, Wang, Bo, Wang, Langping, Wang, Xiaofeng, Wang, Dianlong, Wang, Yusa, Wang, Juan, Wang, Hao, Wang, Ruijie, Wang, Ping, Wang, Lingjun, Wang, Wenshuai, Wang, Tian, Wang, Haoyu, Wang, Zhanshan, Watts, Anna L., Wen, Xiangyang, Wilms, Jörn, Winter, Berend, Wu, Xin, Wu, Chao, Wu, Zhenyu, Wu, Qiong, Wu, Kaiji, Xiong, Hao, Xiong, Shaolin, Xu, Wei, Xu, Zhao, Xu, Jingjing, Xu, Xiongwei, Xue, Jiadai, Yan, Yongqing, Yan, Xingtao, Yang, Xianghui, Yang, Yanji, Yang, Xiongtao, Yang, Sheng, Yang, Jiawei, Yang, Yingquan, Yi, Shuxu, Yu, Yonggao, Yu, Ke, Zampa, Ganluigi, Zampa, Nicola, Zane, Silvia, Zdziarski, Andrzej A., Zhang, Long, Zhang, Shu, Zhang, Wenda, Zhang, Xiaoli, Zhang, Zhen, Zhang, Jiawei, Zhang, Fan, Zhang, Ziliang, Zhang, Dali, Zhang, Honglin, Zhang, Aimei, Zhang, Tong, Zhang, Hongmei, Zhang, Juan, Zhang, Liang, Zhang, Yueting, Zhao, Li, Zhao, Baosheng, Zhao, Zijian, Zhao, Xiaofan, Zhao, Haisheng, Zhao, Xiaoyun, Zheng, Shijie, Zhou, Yupeng, Zhou, Xiaohong, Zhu, Jiahuan, Zhu, Yuxuan, Zhu, Cheng, Zhu, Zhencai, Zorzi, Nicola, Zwart, Frans, den Herder, Jan-Willem A., Nikzad, Shouleh, Nakazawa, Kazuhiro, Zhang, Shuang Nan, Santangelo, Andrea, Xu, Yupeng, Feroci, Marco, Hernanz, Margarita, Lu, Fangjun, Chen, Yong, Feng, Hua, Nandra, Kirpal, Jiang, Weichun, Svoboda, Jiri, Brandt, Søren, Schanne, Stéphane, Zand, Jean, Michalska, Malgorzata, Bozzo, Enrico, Kalemci, Emrah, Agudo, Ivan, Ahangarianabhari, Mahdi, Aitink-Kroes, Gabby, Ambrosi, Giovanni, Ambrosino, Filippo, An, Zhenghua, Perez Torres, Miguel Angel, Antonelli, Matias, Argan, Andrea, Babinec, Viktor, Baldini, Luca, Barbera, Marco, van Baren, Coen, Baudin, David, Bayer, Jörg, Bellazzini, Ronaldo, Bellutti, Pierluigi, Bertucci, Bruna, Bertuccio, Giuseppe, Bi, Xingzi, Boezio, Mirko, Bonvicini, Valter, Bonvicini, Walter, Bordas, Pol, Borghese, Alice, Borghi, Giacomo, Bouyjou, Florent, Bozkurt, Ayhan, Brez, Alessandro, Brienza, Daniele, Cadoux, Franck, Campana, Riccardo, Cao, Jiewei, Cao, Xuelei, Casares, Jorge, Cavazzuti, Elisabetta, Ceraudo, Francesco, Chen, Tianxiang, Chen, Wen, Chen, Can, Chen, Yupeng, Chen, Xin, Chen, Yehai, Chenevez, Jerome, Cheng, Yaodong, Cirrincione, Daniela, Civitani, Marta, Cong, Min, Zelati, Francesco Coti, Cui, Weiwei, Cui, Tao, Cui, Wei, Dai, Boyu, Dauser, Thomas, De Angelis, Nicolas, De Marco, Barbara, De Rosa, Alessandra, Monte, Ettore Del, Cosimo, Sergio Di, Diebold, Sebastian, Dilillo, Giuseppe, Ding, Fei, Dohnal, Roman, Dong, Zefang, Donnarumma, Immacolata, Dovciak, Michal, Du, Yuanyuan, Ducci, Lorenzo, Evangelista, Yuri, Fan, Qingmei, Favre, Yannick, Ferrés, Patrícia, Fiandrini, Emanuele, Ficorella, Francesco, Fuschino, Fabio, Gálvez, José Luis, Gao, Na, Gao, Min, Ge, Yuqiang, Ge, Mingyu, Gevin, Olivier, Grassi, Marco, Gu, Yudong, Gu, Quanying, Guan, Ju, Guedel, Manuel, Han, Xingbo, Han, Dawei, He, Huilin, He, Junwang, Hedderman, Paul, den Herder, Jan Willem, Hong, Bin, Hormaetxe, Ander, Hou, Dongjie, Hu, Zexun, Hu, Hao, Hu, Qingbao, Hu, Yu, Huang, Yue, Huang, Jiangjiang, Huang, Qiushi, Huo, Jia, Hynek, Richard, Iwasawa, Kazumi, Izzo, Lucca, Ji, Long, Jia, Shumei, Jiang, Bowen, Jiang, Wei, Jiang, Jiechen, Jiang, Xiaowei, Jiao, Yang, Jin, Ge, Jin, Fan, Jose, Jordi, Karas, Vladimir, Kennedy, Thomas, Kirsch, Christian, Kole, Merlin, Komarek, Martin, Kreykenbohm, Ingo, Kuiper, Lucien, Kuvvetli, Irfan, Labanti, Claudio, Latronico, Luca, Laubert, Phillip, Li, Tao, Li, Longhui, Li, Hong, Li, Duo, Li, Wei, Li, Maoshun, Li, Gang, Li, Xiaobo, Li, Chengkui, Li, Bing, Li, Haibo, Liang, Hong, Liao, Qiuyan, Liao, Jinyuan, Limousin, Olivier, Lin, Yanjian, Linares, Manuel, Liu, Rui, Liu, Yichen, Liu, Zhihao, Liu, Hongwei, Liu, Xiaojing, Liu, Xiaohua, Cicero, Ugo Lo, Loehring, Jens, Lombardi, Giovanni, Lorenz, Maximilian, Lu, Bing, Lucchesi, Leonardo, Luo, Tao, Luo, Laidan, Ma, Jia, Ma, Xiang, Macera, Daniele, Malcovati, Piero, Manfreda, Alberto, Paredes, Josep Maria, Marinucci, Andrea, Martindale, Adrian, Meidinger, Norbert, Mele, Filippo, Mendes, Vasco, Meng, Bin, Merkl, Martin, Meuris, Aline, Miniutti, Giovanni, Minuti, Massimo, Morbidini, Alfredo, Morgante, Gianluca, Muleri, Fabio, Munini, Riccardo, Mussolin, Lorenzo, Negri, Barbara, Nie, Jianyin, Novák, Petr, Nowosielski, Witold, Nuti, Alessio, Onat, Ahmet, Orleanski, Piotr, Orsini, Leonardo, Ottensamer, Roland, Ou, Ge, Pacciani, Luigi, Paltani, Stephane, Pan, Teng, Pan, Kai, Pareschi, Giovanni, Patruno, Alessandro, Pepponi, Giancarlo, Perinati, Emanuele, Piazzolla, Raffaele, Picciotto, Antonino, Piemonte, Claudio, Pinchera, Michele, Pliego, Samuel, Poutanen, Juri, Qi, Liqiang, Qi, Fazhi, Qiang, Pengfei, Qiao, Fangjian, Qiao, Zheng, Qiu, Xiangbiao, Qiu, Chengbo, Qu, Jinlu, Rachevski, Alexandre, Rashevskaia, Irina, Rea, Nanda, Ribo, Marc, de la Rie, Rob, Rodriguez, Jerome, Gil, Pablo Rodríguez, Sala, Gloria, Schanz, Thomas, Serafinelli, Roberto, Sgro, Carmelo, Shen, Zhengxiang, Sheng, Lizhi, Shi, Jingyan, Sironi, Giorgia, Skup, Konrad, Song, Liming, Song, Zeyu, Song, Jiangbo, Spandre, Gloria, Spiga, Daniele, Su, Yongquan, Sun, Liang, Sungur, Müberra, Svéda, Libor, Tagliaferri, Gianpiero, Tan, Ying, Tao, Lian, Tcherniak, Denis, Tenzer, Chris, Todaro, Michela, Tolos, Laura, Torok, Gabriel, Torres, Diego F., Trois, Alessio, Turhan, Onur, Uttley, Phil, Vacchi, Andrea, Virgilli, Enrico, Vogel, Channah, Walton, Dave, Wang, Jian, Wang, Xianqi, Wang, Bo, Wang, Langping, Wang, Xiaofeng, Wang, Dianlong, Wang, Yusa, Wang, Juan, Wang, Hao, Wang, Ruijie, Wang, Ping, Wang, Lingjun, Wang, Wenshuai, Wang, Tian, Wang, Haoyu, Wang, Zhanshan, Watts, Anna L., Wen, Xiangyang, Wilms, Jörn, Winter, Berend, Wu, Xin, Wu, Chao, Wu, Zhenyu, Wu, Qiong, Wu, Kaiji, Xiong, Hao, Xiong, Shaolin, Xu, Wei, Xu, Zhao, Xu, Jingjing, Xu, Xiongwei, Xue, Jiadai, Yan, Yongqing, Yan, Xingtao, Yang, Xianghui, Yang, Yanji, Yang, Xiongtao, Yang, Sheng, Yang, Jiawei, Yang, Yingquan, Yi, Shuxu, Yu, Yonggao, Yu, Ke, Zampa, Ganluigi, Zampa, Nicola, Zane, Silvia, Zdziarski, Andrzej A., Zhang, Long, Zhang, Shu, Zhang, Wenda, Zhang, Xiaoli, Zhang, Zhen, Zhang, Jiawei, Zhang, Fan, Zhang, Ziliang, Zhang, Dali, Zhang, Honglin, Zhang, Aimei, Zhang, Tong, Zhang, Hongmei, Zhang, Juan, Zhang, Liang, Zhang, Yueting, Zhao, Li, Zhao, Baosheng, Zhao, Zijian, Zhao, Xiaofan, Zhao, Haisheng, Zhao, Xiaoyun, Zheng, Shijie, Zhou, Yupeng, Zhou, Xiaohong, Zhu, Jiahuan, Zhu, Yuxuan, Zhu, Cheng, Zhu, Zhencai, Zorzi, Nicola, and Zwart, Frans
- Abstract
The enhanced X-ray Timing and Polarimetry mission (eXTP) is a flagship observatory for X-ray timing, spectroscopy and polarimetry developed by an International Consortium. Thanks to its very large collecting area, good spectral resolution and unprecedented polarimetry capabilities, eXTP will explore the properties of matter and the propagation of light in the most extreme conditions found in the Universe. eXTP will, in addition, be a powerful X-ray observatory. The mission will continuously monitor the X-ray sky, and will enable multiwavelength and multi-messenger studies. The mission is currently in phase B, which will be completed in the middle of 2022.
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- 2022
36. Advances in gas pixel detectors for x-ray polarimetry: development of the bake and fill system (BFS)
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Siegmund, Oswald H., Hoadley, Keri, Lucchesi, Leonardo, Minuti, Massimo, Nuti, Alessio, Orsini, Leonardo, Pinchera, Michele, and Sgrò, Carmelo
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- 2023
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37. Imaging X-ray Polarimetry Explorer: prelaunch
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Weisskopf, Martin C., primary, Soffitta, Paolo, additional, Baldini, Luca, additional, Ramsey, Brian D., additional, O’Dell, Stephen L., additional, Romani, Roger W., additional, Matt, Giorgio, additional, Deininger, William D., additional, Baumgartner, Wayne H., additional, Bellazzini, Ronaldo, additional, Costa, Enrico, additional, Kolodziejczak, Jeffery J., additional, Latronico, Luca, additional, Marshall, Herman L., additional, Muleri, Fabio, additional, Bongiorno, Stephen D., additional, Tennant, Allyn, additional, Bucciantini, Niccolo, additional, Dovciak, Michal, additional, Marin, Frederic, additional, Marscher, Alan, additional, Poutanen, Juri, additional, Slane, Pat, additional, Turolla, Roberto, additional, Kalinowski, William, additional, Di Marco, Alessandro, additional, Fabiani, Sergio, additional, Minuti, Massimo, additional, La Monaca, Fabio, additional, Pinchera, Michele, additional, Rankin, John, additional, Sgro’, Carmelo, additional, Trois, Alessio, additional, Xie, Fei, additional, Alexander, Cheryl, additional, Allen, D. Zachery, additional, Amici, Fabrizio, additional, Andersen, Jason, additional, Antonelli, Angelo, additional, Antoniak, Spencer, additional, Attinà, Primo, additional, Barbanera, Mattia, additional, Bachetti, Matteo, additional, Baggett, Randy M., additional, Bladt, Jeff, additional, Brez, Alessandro, additional, Bonino, Raffaella, additional, Boree, Christopher, additional, Borotto, Fabio, additional, Breeding, Shawn, additional, Brienza, Daniele, additional, Bygott, H. Kyle, additional, Caporale, Ciro, additional, Cardelli, Claudia, additional, Carpentiero, Rita, additional, Castellano, Simone, additional, Castronuovo, Marco, additional, Cavalli, Luca, additional, Cavazzuti, Elisabetta, additional, Ceccanti, Marco, additional, Centrone, Mauro, additional, Citraro, Saverio, additional, D’Amico, Fabio, additional, D’Alba, Elisa, additional, Di Gesu, Laura, additional, Del Monte, Ettore, additional, Dietz, Kurtis L., additional, Di Lalla, Niccolo’, additional, Persio, Giuseppe Di, additional, Dolan, David, additional, Donnarumma, Immacolata, additional, Evangelista, Yuri, additional, Ferrant, Kevin, additional, Ferrazzoli, Riccardo, additional, Ferrie, MacKenzie, additional, Footdale, Joseph, additional, Forsyth, Brent, additional, Foster, Michelle, additional, Garelick, Benjamin, additional, Gunji, Shuichi, additional, Gurnee, Eli, additional, Head, Michael, additional, Hibbard, Grant, additional, Johnson, Samantha, additional, Kelly, Erik, additional, Kilaru, Kiranmayee, additional, Lefevre, Carlo, additional, Roy, Shelley Le, additional, Loffredo, Pasqualino, additional, Lorenzi, Paolo, additional, Lucchesi, Leonardo, additional, Maddox, Tyler, additional, Magazzu, Guido, additional, Maldera, Simone, additional, Manfreda, Alberto, additional, Mangraviti, Elio, additional, Marengo, Marco, additional, Marrocchesi, Alessandra, additional, Massaro, Francesco, additional, Mauger, David, additional, McCracken, Jeffrey, additional, McEachen, Michael, additional, Mize, Rondal, additional, Mereu, Paolo, additional, Mitchell, Scott, additional, Mitsuishi, Ikuyuki, additional, Morbidini, Alfredo, additional, Mosti, Federico, additional, Nasimi, Hikmat, additional, Negri, Barbara, additional, Negro, Michela, additional, Nguyen, Toan, additional, Nitschke, Isaac, additional, Nuti, Alessio, additional, Onizuka, Mitch, additional, Oppedisano, Chiara, additional, Orsini, Leonardo, additional, Osborne, Darren, additional, Pacheco, Richard, additional, Paggi, Alessandro, additional, Painter, Will, additional, Pavelitz, Steven D., additional, Pentz, Christina, additional, Piazzolla, Raffaele, additional, Perri, Matteo, additional, Pesce-Rollins, Melissa, additional, Peterson, Colin, additional, Pilia, Maura, additional, Profeti, Alessandro, additional, Puccetti, Simonetta, additional, Ranganathan, Jaganathan, additional, Ratheesh, Ajay, additional, Reedy, Lee, additional, Root, Noah, additional, Rubini, Alda, additional, Ruswick, Stephanie, additional, Sanchez, Javier, additional, Sarra, Paolo, additional, Santoli, Francesco, additional, Scalise, Emanuele, additional, Sciortino, Andrea, additional, Schroeder, Christopher, additional, Seek, Tim, additional, Sosdian, Kalie, additional, Spandre, Gloria, additional, Speegle, Chet O., additional, Tamagawa, Toru, additional, Tardiola, Marcello, additional, Tobia, Antonino, additional, Thomas, Nicholas E., additional, Valerie, Robert, additional, Vimercati, Marco, additional, Walden, Amy L., additional, Weddendorf, Bruce, additional, Wedmore, Jeffrey, additional, Welch, David, additional, Zanetti, Davide, additional, and Zanetti, Francesco, additional
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- 2022
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38. Imaging X-Ray Polarimetry Explorer (IXPE) - Ready for Flight
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Deininger, William D., primary, Kalinowski, William, additional, Head, Michael, additional, Peterson, Colin, additional, Antoniak, Spencer, additional, Mize, Rondal, additional, Weisskopf, Martin C., additional, Ramsey, Brian, additional, O'Dell, Stephen L., additional, Tennant, Allyn, additional, Soffitta, Paolo, additional, Santoli, Francesco, additional, Del Monte, Ettore, additional, Pinchera, Michele, additional, Trois, Alessio, additional, and Osborne, Darren, additional
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- 2022
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39. A Significant Detection of X-ray Polarization in Sco X-1 with PolarLight and Constraints on the Corona Geometry
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Long, Xiangyun, primary, Feng, Hua, additional, Li, Hong, additional, Zhu, Jiahuan, additional, Wu, Qiong, additional, Huang, Jiahui, additional, Minuti, Massimo, additional, Jiang, Weichun, additional, Yang, Dongxin, additional, Citraro, Saverio, additional, Nasimi, Hikmat, additional, Yu, Jiandong, additional, Jin, Ge, additional, Zeng, Ming, additional, An, Peng, additional, Jiang, Jiachen, additional, Costa, Enrico, additional, Baldini, Luca, additional, Bellazzini, Ronaldo, additional, Brez, Alessandro, additional, Latronico, Luca, additional, Sgrò, Carmelo, additional, Spandre, Gloria, additional, Pinchera, Michele, additional, Muleri, Fabio, additional, and Soffitta, Paolo, additional
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- 2022
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40. Imaging X-Ray Polarimeter Explorer Systems Engineering Approach and Implementation
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Deininger, William D., Kalinowski, William, Hibbard, Grant, Boree, Christopher, Ferrant, Kevin, Maddox, Tyler, Peterson, Colin, Garelick, Benjamin, Painter, William, Mitchell, Scott, Antoniak, Spencer, Mize, Ron, Tennant, Allyn, Ramsey, Brian, Walden, Amy, Trois, Alessio, Pinchera, Michele, Del Monte, Ettore, and Osborne, Darren
- Abstract
The Imaging X-ray Polarimetry Explorer (IXPE) is a NASA Small Explorer x-ray astrophysics mission being implemented by a geographically dispersed team. Each IXPE partner provides unique capabilities and experience which are utilized to design, build and launch the IXPE observator. A rigorous and iterative systems engineering approach is essential to ensuring the successful realization of reliable and cost effective IXPE mission system. The IXPE collaboration and observatory complexity provide both unique challenges and advantages for project systems engineering. The project uses established and tailored systems engineering (SE) methods and teaming approaches to achieve the IXPE mission goals. The IXPE systems engineering team spans all partner organizations. Currently, the project is in system integration and test working through structural environmental testing–vibration testing is just starting. Systems work is now focused on requirements management and maturity assessments, requirements verification and validation via sell-off packages (SOP) and interface control document (ICD) verification while supporting environmental test planning and execution. IXPE verification, validation and characterization (V&V) starts at the component/unit level and rolls up to appropriate higher levels where V&V compliance is assured by collaborative development by the cross-organizational V&V Team. This paper provides a technical summary of the IXPE concept of operations and mission-system (payload, spacecraft, observatory, ground system, launch vehicle), overviews the IXPE systems engineering approach (communications, project reviews, requirements analysis and management, baseline design and design trade studies, interfaces definition and documentation, resource management), describes the verification, validation and characterization activities (requirements validation, models and simulations validation, systems integration and test (I&T), system validation), discusses risk and opportunities philosophy and implementation, outlines COVID 19 accommodations, itemizes some key challenges and lessons-learned followed by the path to launch and conclusions.
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- 2021
41. Discrimination of background events in the PolarLight X-ray polarimeter
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Zhu, Jiahuan, primary, Li, Hong, additional, Feng, Hua, additional, Huang, Jiahui, additional, Long, Xiangyun, additional, Wu, Qiong, additional, Jiang, Weichun, additional, Minuti, Massimo, additional, Citraro, Saverio, additional, Nasimi, Hikmat, additional, Yang, Dongxin, additional, Yu, Jiandong, additional, Jin, Ge, additional, Zeng, Ming, additional, An, Peng, additional, Baldini, Luca, additional, Bellazzini, Ronaldo, additional, Brez, Alessandro, additional, Latronico, Luca, additional, Sgrò, Carmelo, additional, Spandre, Gloria, additional, Pinchera, Michele, additional, Muleri, Fabio, additional, Soffitta, Paolo, additional, and Costa, Enrico, additional
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- 2021
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42. The Instrument of the Imaging X-Ray Polarimetry Explorer
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Soffitta, Paolo, primary, Baldini, Luca, additional, Bellazzini, Ronaldo, additional, Costa, Enrico, additional, Latronico, Luca, additional, Muleri, Fabio, additional, Del Monte, Ettore, additional, Fabiani, Sergio, additional, Minuti, Massimo, additional, Pinchera, Michele, additional, Sgro’, Carmelo, additional, Spandre, Gloria, additional, Trois, Alessio, additional, Amici, Fabrizio, additional, Andersson, Hans, additional, Attina’, Primo, additional, Bachetti, Matteo, additional, Barbanera, Mattia, additional, Borotto, Fabio, additional, Brez, Alessandro, additional, Brienza, Daniele, additional, Caporale, Ciro, additional, Cardelli, Claudia, additional, Carpentiero, Rita, additional, Castellano, Simone, additional, Castronuovo, Marco, additional, Cavalli, Luca, additional, Cavazzuti, Elisabetta, additional, Ceccanti, Marco, additional, Centrone, Mauro, additional, Ciprini, Stefano, additional, Citraro, Saverio, additional, D’Amico, Fabio, additional, D’Alba, Elisa, additional, Di Cosimo, Sergio, additional, Di Lalla, Niccolo’, additional, Di Marco, Alessandro, additional, Di Persio, Giuseppe, additional, Donnarumma, Immacolata, additional, Evangelista, Yuri, additional, Ferrazzoli, Riccardo, additional, Hayato, Asami, additional, Kitaguchi, Takao, additional, La Monaca, Fabio, additional, Lefevre, Carlo, additional, Loffredo, Pasqualino, additional, Lorenzi, Paolo, additional, Lucchesi, Leonardo, additional, Magazzu, Carlo, additional, Maldera, Simone, additional, Manfreda, Alberto, additional, Mangraviti, Elio, additional, Marengo, Marco, additional, Matt, Giorgio, additional, Mereu, Paolo, additional, Morbidini, Alfredo, additional, Mosti, Federico, additional, Nakano, Toshio, additional, Nasimi, Hikmat, additional, Negri, Barbara, additional, Nenonen, Seppo, additional, Nuti, Alessio, additional, Orsini, Leonardo, additional, Perri, Matteo, additional, Pesce-Rollins, Melissa, additional, Piazzolla, Raffaele, additional, Pilia, Maura, additional, Profeti, Alessandro, additional, Puccetti, Simonetta, additional, Rankin, John, additional, Ratheesh, Ajay, additional, Rubini, Alda, additional, Santoli, Francesco, additional, Sarra, Paolo, additional, Scalise, Emanuele, additional, Sciortino, Andrea, additional, Tamagawa, Toru, additional, Tardiola, Marcello, additional, Tobia, Antonino, additional, Vimercati, Marco, additional, and Xie, Fei, additional
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- 2021
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43. The Imaging X-Ray Polarimetry Explorer (IXPE): technical overview IV
- Author
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Ramsey, Brian D., primary, Attina, Primo, additional, Baldini, Luca, additional, Barbanera, Mattia, additional, Baumgartner, Wayne H., additional, Bellazzini, Ronaldo, additional, Bladt, Jeff, additional, Bongiorno, Stephen D., additional, brez, alessandro, additional, Castellano, Simone, additional, Carpentiero, Rita, additional, Castronuovo, Marco, additional, Cavalli, Luca, additional, Cavazutti, Elisabetta, additional, D'Amico, Fabio, additional, Citraro, Saverio, additional, Costa, Enrico, additional, Deininger, William D., additional, D'Alba, Elisa, additional, Delmonte, Ettore, additional, Dietz, Kurtis L., additional, Di Lalla, Niccolo, additional, Di Marco, Alessandro, additional, Di Persio, Giusseppe, additional, Donnarumma, Immacolata, additional, Fabiani, Sergio, additional, Ferrazzoli, Riccardo, additional, Footdale, Joseph, additional, Head, Michael, additional, Kalinowski, William, additional, Kolodziejczak, Jeffery J., additional, Latronico, Luca, additional, Lefevre, Carlo, additional, Lorenzi, Paolo, additional, Lucchesi, Leonardo, additional, Maldera, Simone, additional, Manfreda, Alberto, additional, Mangravati, Elio, additional, Marshall, Herman L., additional, Matt, Giorgio, additional, Minuti, Massimo, additional, Mize, Rondal, additional, Muleri, Fabio, additional, Nasimi, Hikmat, additional, Negri, Barbara, additional, Nuti, Alessio, additional, O'Dell, Stephen, additional, Orsini, Leonardo, additional, Osborne, Darren, additional, Pentz, Christina, additional, Pilia, Maura, additional, Perri, Matteo, additional, Pesce-Rollins, Melissa, additional, Peterson, Colin, additional, Pinchera, Michele, additional, Puccetti, Simonetta, additional, Rankin, John, additional, Ratheesh, Ajay, additional, Romani, Roger W., additional, Sarra, Paolo, additional, Santoli, Francesco, additional, Sciortino, Andrea, additional, Schroeder, Christopher, additional, Sgro, Carmelo, additional, Soffitta, Paolo, additional, Spandre, Gloria, additional, Tennant, Allyn F., additional, Tobia, Antonino, additional, Thomas, Nicholas E., additional, Trois, Alessio, additional, Vimercati, Marco, additional, Wedmore, Jeffery, additional, Weisskopf, Martin C., additional, Xie, Fei, additional, Zanetti, Francesco, additional, Alexander, Cheryl, additional, Allen, D.Zachery, additional, Amici, Fabrizio, additional, Andersen, Jason, additional, Antonelli, Angelo, additional, Antoniak, Spencer, additional, Bachetti, Matteo, additional, Baggett, Randy M., additional, Bonino, Rafaella, additional, Boree, Christopher, additional, Borotto, Fabio, additional, Breeding, Shawn, additional, Brienza, Daniele, additional, Byggott, H.Kyle, additional, Caporale, Ciro, additional, Cardelli, Claudia, additional, Ceccanti, Marco, additional, Centrone, Mauro, additional, Dolan, David, additional, Evangelista, Yuri, additional, Ferrant, Kevin, additional, Ferrie, MacKenzie, additional, Forsyth, Brent, additional, Foster, Michelle, additional, Garelick, Benjamin, additional, Gunji, Shuichi, additional, Gurnee, Eli, additional, Hibbard, Grant, additional, Johnson, Samantha, additional, Kelly, Eric, additional, Kilaru, Kiranmayee, additional, La Monaca, Fabio, additional, Le Roy, Shelley, additional, Lofredo, Pasqualino, additional, Maddox, Tyler, additional, Magazzu, Guido, additional, Marengo, Marco, additional, Marrocchesi, Alessandra, additional, Massaro, Francesco., additional, Mauger, David, additional, McCracken, Jeffrey, additional, McEachen, Michael, additional, Mereu, Paolo, additional, Mitchell, Scott, additional, Mitsuishi, Ikuyuki, additional, Morbidini, Alfredo, additional, Mosti, Federico, additional, Nguyen, Toan, additional, Negro, Michela, additional, Nitschke, Isaac, additional, Onizuka, Mitch, additional, Oppedisano, Chiara, additional, Pacheco, Richard, additional, Paggi, Alessandro, additional, Painter, Will, additional, Pavelitz, Steven D., additional, Piazzolla, Raffaele, additional, Profeti, Alessandro, additional, Ranganathan, Jaganathan, additional, Reedy, Lee, additional, Root, Noah, additional, Rubini, Alda, additional, Ruswick, Stephanie, additional, Sanchez, Javier, additional, Scalise, Emanuele, additional, Seek, Tim, additional, Sosdian, Kalie, additional, Speegle, Chet O., additional, Tamagawa, Toru, additional, Tardiola, Marcello, additional, Valerie, Robert, additional, Walden, Amy L., additional, Weddendorf, Bruce, additional, and Welch, David, additional
- Published
- 2021
- Full Text
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44. X-Ray Polarimetry of the Crab Nebula with PolarLight: Polarization Recovery after the Glitch and a Secular Position Angle Variation
- Author
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Long, Xiangyun, primary, Feng, Hua, additional, Li, Hong, additional, Zhu, Jiahuan, additional, Wu, Qiong, additional, Huang, Jiahui, additional, Minuti, Massimo, additional, Jiang, Weichun, additional, Wang, Weihua, additional, Xu, Renxin, additional, Costa, Enrico, additional, Yang, Dongxin, additional, Citraro, Saverio, additional, Nasimi, Hikmat, additional, Yu, Jiandong, additional, Jin, Ge, additional, Zeng, Ming, additional, An, Peng, additional, Baldini, Luca, additional, Bellazzini, Ronaldo, additional, Brez, Alessandro, additional, Latronico, Luca, additional, Sgrò, Carmelo, additional, Spandre, Gloria, additional, Pinchera, Michele, additional, Muleri, Fabio, additional, and Soffitta, Paolo, additional
- Published
- 2021
- Full Text
- View/download PDF
45. IXPE Mission System and Development Status
- Author
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Deininger, William D., primary, Kalinowski, William, additional, Masciarelli, James, additional, Head, Michael, additional, Seek, Tim, additional, Onizuka, Mitch, additional, Schroeder, Christopher, additional, Moore, James Tony, additional, Peterson, Colin, additional, Garelick, Benjamin, additional, Boree, Christopher, additional, Maddox, Tyler, additional, Ferrant, Kevin, additional, Antoniak, Spencer, additional, Weisskopf, Martin C., additional, Ramsey, Brian, additional, O'Dell, Stephen L., additional, Tennant, Allyn, additional, Mize, Rondal, additional, Soffitta, Paolo, additional, Muleri, Fabio, additional, Santoli, Francesco, additional, Del Monte, Ettore, additional, Baldini, Luca, additional, Pinchera, Michele, additional, Trois, Alessio, additional, and Osborne, Darren, additional
- Published
- 2021
- Full Text
- View/download PDF
46. Modeling the in-orbit Background of PolarLight
- Author
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Huang, Jiahui, primary, Feng, Hua, additional, Li, Hong, additional, Long, Xiangyun, additional, Yang, Dongxin, additional, Zeng, Weihe, additional, Wu, Qiong, additional, Jiang, Weichun, additional, Minuti, Massimo, additional, Costa, Enrico, additional, Muleri, Fabio, additional, Citraro, Saverio, additional, Nasimi, Hikmat, additional, Yu, Jiandong, additional, Jin, Ge, additional, Zeng, Zhi, additional, Zeng, Ming, additional, An, Peng, additional, Baldini, Luca, additional, Bellazzini, Ronaldo, additional, Brez, Alessandro, additional, Latronico, Luca, additional, Sgrò, Carmelo, additional, Spandre, Gloria, additional, Pinchera, Michele, additional, and Soffitta, Paolo, additional
- Published
- 2021
- Full Text
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47. Outcomes of the IXPE instrument calibration
- Author
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Fabiani, Sergio, primary, Muleri, Fabio, additional, Di Marco, Alessandro, additional, La Monaca, Fabio, additional, Rankin, John, additional, Soffitta, Paolo, additional, Amici, Fabrizio, additional, Attina, Primo, additional, Baldini, Luca, additional, Barbanera, Mattia, additional, Brienza, Daniele, additional, Castellano, Simone, additional, Citraro, Saverio, additional, Costa, Enrico, additional, Evangelista, Yuri, additional, Del Monte, Ettore, additional, Di Cosimo, Sergio, additional, Di Persio, Giuseppe, additional, Ferrazzoli, Riccardo, additional, Lefevre, Carlo, additional, Loffredo, Pasqualino, additional, Lucchesi, Leonardo, additional, Manfreda, Alberto, additional, Tobia, Antonino, additional, Morbidini, Alfredo, additional, Minuti, Massimo, additional, Nasimi, Hikmat, additional, Nuti, Alessio, additional, Piazzolla, Raffaele, additional, Orsini, Leonardo, additional, Ratheesh, Ajay, additional, Pinchera, Michele, additional, Rubini, Alda, additional, Santoli, Francesco, additional, Scalise, Emanuele, additional, Sgrò, Carmelo, additional, Trois, Alessio, additional, and Xie, Fei, additional
- Published
- 2021
- Full Text
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48. In-orbit operation and performance of the CubeSat Soft X-ray polarimeter PolarLight
- Author
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Li, Hong, primary, Long, Xiangyun, additional, Feng, Hua, additional, Wu, Qiong, additional, Huang, Jiahui, additional, Jiang, Weichun, additional, Minuti, Massimo, additional, Yang, Dongxin, additional, Citraro, Saverio, additional, Nasimi, Hikmat, additional, Yu, Jiandong, additional, Jin, Ge, additional, Zeng, Ming, additional, An, Peng, additional, Baldini, Luca, additional, Bellazzini, Ronaldo, additional, Brez, Alessandro, additional, Latronico, Luca, additional, Sgrò, Carmelo, additional, Spandre, Gloria, additional, Pinchera, Michele, additional, Muleri, Fabio, additional, Soffitta, Paolo, additional, and Costa, Enrico, additional
- Published
- 2021
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49. The Imaging X-ray Polarimetry Explorer (IXPE): technical overview III
- Author
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Soffitta, Paolo, primary, Attina', Primo, additional, Baldini, Luca, additional, Barbanera, Mattia, additional, Baumgartner, Wayne H., additional, Bellazzini, Ronaldo, additional, Bladt, Jeff, additional, Bongiorno, Stephen D., additional, Brez, Alessandro, additional, Castellano, Simone, additional, Carpentiero, Rita, additional, Castronuovo, Marco, additional, Cavalli, Luca, additional, Cavazzuti, Elisabetta, additional, D' Amico, Fabio, additional, Citraro, Saverio, additional, Costa, Enrico, additional, Deininger, William D., additional, D' Alba, ELisa, additional, Del Monte, Ettore, additional, Diets, Kutis L., additional, Di Lalla, Niccolo', additional, Di Marco, Alessandro, additional, Di Persio, Guseppe, additional, Donnarumma, Immacolata, additional, Elsner, Ronald F., additional, Fabiani, Sergio, additional, Ferrazzoli, Riccardo, additional, Guy, Larry, additional, Kalinowski, William, additional, Kolodziejczak, Jeffery, additional, Latronico, Luca, additional, Lefevre, Carlo, additional, Lorenzi, Paolo, additional, Lucchesi, Leonardo, additional, Maldera, Simone, additional, Manfreda, Alberto, additional, Mangraviti, Elio, additional, Marshall, Herman L., additional, Masciarelli, James, additional, Matt, Giorgio, additional, Minuti, Massimo, additional, Muleri, Fabio, additional, Nasimi, Hikmat, additional, Negri, Barbara, additional, Nuti, Alessio, additional, Orsini, Leonardo, additional, Osborne, Darren, additional, Pilia, Maura, additional, Perri, Matteo, additional, Pesce-Rollins, Melissa, additional, Peterson, Colin, additional, Pinchera, Michele, additional, Puccetti, Simonetta, additional, Ramsey, Brian, additional, Ratheesh, Ajay, additional, Romani, Roger W., additional, Sarra, Paolo, additional, Santoli, Francesco, additional, Sciortino, Andrea, additional, Sgro', Carmelo, additional, Smith, Brian T., additional, Spandre, Gloria, additional, Tennant, Allyn F., additional, Tobia, Antonino, additional, Trois, Alessio, additional, Vimercati, Marco, additional, Wedmnore, Jeffrey, additional, Weisskopf, Martin C., additional, Xie, Fei, additional, Zanetti, Francesco, additional, Alexander, Cheryl, additional, Allen, D. Zachery, additional, Amici, Fabrizio, additional, Antonelli, L. Angelo, additional, Antoniak, Spencer, additional, Bachetti, Matteo, additional, Bonino, Raffaella, additional, Borotto, Fabio, additional, Breeding, Shawn, additional, Brienza, Daniele, additional, Bygott, H. Kyle, additional, Cardelli, Claudia, additional, Ceccanti, Marco, additional, Centrone, Mauro, additional, Evangelista, Yuri, additional, Ferrie, MacKenzie, additional, Forsyth, Brent, additional, Foster, Michele, additional, Gurnee, Eli, additional, Hibbard, Grant, additional, Johnson, Sandra R., additional, Kelly, Erik, additional, Kilaru, Kiranmayee, additional, La Monaca, Fabio, additional, Le Roy, Shelley, additional, Loffredo, Pasqualino, additional, Magazzu', Guido, additional, Marengo, Marco, additional, Marrocchesi, Alessandra, additional, Massaro, Francesco, additional, Morbidini, Alfredo, additional, McCracken, Jeffrey, additional, McEachen, Michael, additional, Mereu, Paolo, additional, Mitchell, Scott, additional, Mitsuishi, Ikuyuki, additional, Mosti, Federico, additional, Nigro, Michela, additional, Oppedisano, Chiara, additional, Pacheco, Richard, additional, Paggi, alessandro, additional, Pavelitz, Steven D., additional, Pentz, Cristina, additional, Piazzolla, Raffaele, additional, Porter, Brad, additional, Profeti, Alessandro, additional, Ranganathan, Jaganathan, additional, Rankin, John, additional, Root, Noah, additional, Rubini, Alda, additional, Ruswick, Stephanie, additional, Sanchez, Javier, additional, Scalise, Emanuele, additional, Schindhelm, Sara, additional, Speegle, Chet O., additional, Tamagawa, Toru, additional, Tardiola, Marcello, additional, Walden, Amy L., additional, Weddendorf, Bruce, additional, Welch, David, additional, Head, Michael, additional, Gray, Stuart, additional, Mize, Rondal, additional, O'Dell, Stephen L., additional, Schroeder, Christopher, additional, Thomas, Nicholas E., additional, Bagget, Randy M., additional, Dolan, David, additional, Ferrant, Kevin, additional, Footdale, Joseph, additional, Garelick, Benjamin, additional, Johnson, Samantha, additional, and Seek, Timothy, additional
- Published
- 2020
- Full Text
- View/download PDF
50. Author Correction: Re-detection and a possible time variation of soft X-ray polarization from the Crab
- Author
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Feng, Hua, primary, Li, Hong, additional, Long, Xiangyun, additional, Bellazzini, Ronaldo, additional, Costa, Enrico, additional, Wu, Qiong, additional, Huang, Jiahui, additional, Jiang, Weichun, additional, Minuti, Massimo, additional, Wang, Weihua, additional, Xu, Renxin, additional, Yang, Dongxin, additional, Baldini, Luca, additional, Citraro, Saverio, additional, Nasimi, Hikmat, additional, Soffitta, Paolo, additional, Muleri, Fabio, additional, Jung, Aera, additional, Yu, Jiandong, additional, Jin, Ge, additional, Zeng, Ming, additional, An, Peng, additional, Brez, Alessandro, additional, Latronico, Luca, additional, Sgro, Carmelo, additional, Spandre, Gloria, additional, and Pinchera, Michele, additional
- Published
- 2020
- Full Text
- View/download PDF
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