Search

Your search keyword '"Collon, Maximilien J."' showing total 2 results
Start Over "Collon, Maximilien J." Topic milky way
2 results on '"Collon, Maximilien J."'

1. Voyage through the hidden physics of the cosmic web.

Author

Simionescu, Aurora, Ettori, Stefano, Werner, Norbert, Nagai, Daisuke, Vazza, Franco, Akamatsu, Hiroki, Pinto, Ciro, de Plaa, Jelle, Wijers, Nastasha, Nelson, Dylan, Pointecouteau, Etienne, Pratt, Gabriel W., Spiga, Daniele, Vacanti, Giuseppe, Lau, Erwin, Rossetti, Mariachiara, Gastaldello, Fabio, Biffi, Veronica, Bulbul, Esra, and Collon, Maximilien J.

Subjects
GALAXY clusters, INTEGRAL field spectroscopy, COSMIC background radiation, PHYSICS, SPATIAL resolution, MILKY Way, GALACTIC halos, SOFT X rays
Abstract

The majority of the ordinary matter in the local Universe has been heated by strong structure formation shocks and resides in a largely unexplored hot, diffuse, X-ray emitting plasma that permeates the halos of galaxies, galaxy groups and clusters, and the cosmic web. We propose a next-generation "Cosmic Web Explorer" that will permit a complete and exhaustive understanding of these unseen baryons. This will be the first mission capable to reach the accretion shocks located several times farther than the virial radii of galaxy clusters, and reveal the out-of-equilibrium parts of the intra-cluster medium which are live witnesses to the physics of cosmic accretion. It will also enable a view of the thermodynamics, kinematics, and chemical composition of the circumgalactic medium in galaxies with masses similar to the Milky Way, at the same level of detail that Athena will unravel for the virialized regions of massive galaxy clusters, delivering a transformative understanding of the evolution of those galaxies in which most of the stars and metals in the Universe were formed. Finally, the proposed X-ray satellite will connect the dots of the large-scale structure by mapping, at high spectral resolution, as much as 100% of the diffuse gas hotter than 106 K that fills the filaments of the cosmic web at low redshifts, down to an over-density of 1, both in emission and in absorption against the ubiquitous cosmic X-ray background, surveying at least 1600 square degrees over 5 years in orbit. This requires a large effective area (∼ 10 m2 at 1 keV) over a large field of view (∼ 1 deg2), a megapixel cryogenic microcalorimeter array providing integral field spectroscopy with a resolving power E/ΔE = 2000 at 0.6 keV and a spatial resolution of 5 ′ ′ in the soft X-ray band, and a low and stable instrumental background ensuring high sensitivity to faint, extended emission. [ABSTRACT FROM AUTHOR]

Published
2021
Full Text
View/download PDF

2. Voyage through the Hidden Physics of the Cosmic Web

Author

Giovanni Pareschi, G. W. Pratt, Dylan Nelson, Aurora Simionescu, Mariachiara Rossetti, Giuseppe Vacanti, Jessica K. Werk, Joop Schaye, Etienne Pointecouteau, Filippo Fraternali, Franco Vazza, Veronica Biffi, Jan-Willem den Herder, Nastasha Wijers, Daniele Spiga, Beatriz Mingo, Stefano Ettori, Gabriele Pezzulli, Thomas H. Reiprich, Daisuke Nagai, Hiroki Akamatsu, Esra Bulbul, Fabio Gastaldello, Jelle de Plaa, Maximilien J. Collon, Ciro Pinto, Dominique Eckert, Stephen Walker, Erwin T. Lau, Norbert Werner, Astronomy, Institut de recherche en astrophysique et planétologie (IRAP), Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Observatoire Midi-Pyrénées (OMP), Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS), Commissariat à l'énergie atomique et aux énergies alternatives (CEA), Laboratoire d'Astrophysique de Marseille (LAM), Aix Marseille Université (AMU)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS), Pennsylvania State University (Penn State), Penn State System, Instituto de Ciências Exatas e Tecnológicas [Viçosa], Universidade Federal de Vicosa (UFV), SRON Netherlands Institute for Space Research (SRON), Institut national des sciences de l'Univers (INSU - CNRS)-Université Toulouse III - Paul Sabatier (UT3), Météo France-Centre National d'Études Spatiales [Toulouse] (CNES)-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Météo France-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Centre National de la Recherche Scientifique (CNRS), Universidade Federal de Viçosa = Federal University of Viçosa (UFV), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire Midi-Pyrénées (OMP), Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Centre National de la Recherche Scientifique (CNRS), Simionescu, Aurora, Ettori, Stefano, Werner, Norbert, Nagai, Daisuke, Vazza, Franco, Akamatsu, Hiroki, Pinto, Ciro, de Plaa, Jelle, Wijers, Nastasha, Nelson, Dylan, Pointecouteau, Etienne, Pratt, Gabriel W., Spiga, Daniele, Vacanti, Giuseppe, Lau, Erwin, Rossetti, Mariachiara, Gastaldello, Fabio, Biffi, Veronica, Bulbul, Esra, Collon, Maximilien J., Herder, Jan-Willem den, Eckert, Dominique, Fraternali, Filippo, Mingo, Beatriz, Pareschi, Giovanni, Pezzulli, Gabriele, Reiprich, Thomas H., Schaye, Joop, Walker, Stephen A., and Werk, Jessica

Subjects
Circumgalactic medium, Structure formation, Cosmology and Nongalactic Astrophysics (astro-ph.CO), media_common.quotation_subject, Milky Way, Astrophysics::High Energy Astrophysical Phenomena, Warm–hot intergalactic medium, FOS: Physical sciences, Astrophysics, Astrophysics::Cosmology and Extragalactic Astrophysics, 01 natural sciences, 7. Clean energy, Large-scale structure, Galaxy groups and clusters, 0103 physical sciences, 010303 astronomy & astrophysics, Galaxy cluster, Astrophysics::Galaxy Astrophysics, media_common, Physics, High Energy Astrophysical Phenomena (astro-ph.HE), Clusters of galaxies, [SDU.ASTR]Sciences of the Universe [physics]/Astrophysics [astro-ph], 010308 nuclear & particles physics, Astronomy and Astrophysics, Redshift, Universe, Galaxy, Space and Planetary Science, [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph], Astrophysics - High Energy Astrophysical Phenomena, Warm-hot intergalactic medium, large-scale structure · clusters of galaxies · circumgalactic medium · warm-hot intergalactic medium, Astrophysics - Cosmology and Nongalactic Astrophysics
Abstract

The majority of the ordinary matter in the local Universe has been heated by strong structure formation shocks and resides in a largely unexplored hot, diffuse, X-ray emitting plasma that permeates the halos of galaxies, galaxy groups and clusters, and the cosmic web. We propose a next-generation "Cosmic Web Explorer" that will permit a complete and exhaustive understanding of these unseen baryons. This will be the first mission capable to reach the accretion shocks located several times farther than the virial radii of galaxy clusters, and reveal the out-of-equilibrium parts of the intra-cluster medium which are live witnesses to the physics of cosmic accretion. It will also enable a view of the thermodynamics, kinematics, and chemical composition of the circumgalactic medium in galaxies with masses similar to the Milky Way, at the same level of detail that $Athena$ will unravel for the virialized regions of massive galaxy clusters, delivering a transformative understanding of the evolution of those galaxies in which most of the stars and metals in the Universe were formed. Finally, the proposed X-ray satellite will connect the dots of the large-scale structure by mapping, at high spectral resolution, as much as 100% of the diffuse gas hotter than $10^6$ K that fills the filaments of the cosmic web at low redshifts, down to an over-density of 1, both in emission and in absorption against the ubiquitous cosmic X-ray background, surveying at least 1600 square degrees over 5 years in orbit. This requires a large effective area (~10 m$^2$ at 1 keV) over a large field of view ($\sim1$ deg$^2$), a megapixel cryogenic microcalorimeter array providing integral field spectroscopy with a resolving power $E/\Delta E$ = 2000 at 0.6 keV and a spatial resolution of 5 arcsec in the soft X-ray band, and a low and stable instrumental background ensuring high sensitivity to faint, extended emission., Comment: White paper submitted in response to ESA's Voyage 2050 Call. Accepted for publication in Experimental Astronomy

Published
2019
Full Text
View/download PDF

Catalog

Books, media, physical & digital resources
See catalog results