| Issue |
EPJ Web of Conferences
Volume 265, 2022
Multi-line Diagnostics of the Interstellar Medium
|
|
|---|---|---|
| Article Number | 00015 | |
| Number of page(s) | 4 | |
| DOI | https://doi.org/10.1051/epjconf/202226500015 | |
| Published online | 07 September 2022 | |
https://doi.org/10.1051/epjconf/202226500015
Gas condensation in Brightest Group Galaxies unveiled with MUSE
Department of Physics and Astronomy, University of Kentucky, 505 Rose Street, Lexington, KY 40506, USA
Published online: 7 September 2022
How central galaxies in groups acquired their cold gas is still not fully understood. To unfold this unknown, we map the kinematics and distribution of the optical emission-line gas using MUSE observations of 18 optically selected local brightest group galaxies (BGGs). The observations reveal a distribution of gas morphologies, including complex networks of filaments extending up to ∼10 kpc to compact (<3 kpc) and extended (>5 kpc) disk-dominated structures. By exploring the thermodynamical properties of the X-ray atmospheres, we find most of the filaments and compact have are likely cooled out from the intragroup medium (IGrM).
© The Authors, Published by EDP Sciences, 2022
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0 (http://creativecommons.org/licenses/by/4.0/).
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