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Cluster Physics & Evolution

Published online by Cambridge University Press:  27 October 2016

Daisuke Nagai ,
Monique Arnaud ,
Sarthak Dasadia ,
Michael McDonald ,
Ikuyuki Mitsuishi  and
Andrea Morandi
Daisuke Nagai
Affiliation:
Department of Physics, Yale University, New Haven, CT 06520, U.S.A.
Monique Arnaud
Affiliation:
Laboratoire AIM, IRFU/Service d'Astrophysique - CEA/DSM - CNRS - Universitê Paris Diderot, Bat. 709, CEA-Saclay, F-91191 Gif-sur- Yvette Cedex, France
Sarthak Dasadia
Affiliation:
Physics Department, University of Alabama in Huntsville, Huntsville, AL 35899, USA
Michael McDonald
Affiliation:
Kavli Institute for Astrophysics and Space Research, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139, USA
Ikuyuki Mitsuishi
Affiliation:
Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi 464-8602, Japan
Andrea Morandi
Affiliation:
Physics Department, University of Alabama in Huntsville, Huntsville, AL 35899, USA
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Abstract

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Recent advances in X-ray and microwave observations have provided unprecedented insights into the structure and evolution of the hot X-ray emitting plasma from their cores to the virialization region in outskirts of galaxy clusters. Recent Sunyaev-Zel'dovich (SZ) surveys (ACT, Planck, SPT) have provided new cluster catalogs, significantly expanding coverage of the mass-redshift plane, while Chandra and XMM-Newton X-ray follow-up programs have improved our understanding of cluster physics and evolution as well as the surveys themselves. However, the current cluster-based cosmological constraints are still limited by uncertainties in cluster astrophysics. In order to exploit the statistical power of the current and upcoming X-ray and microwave cluster surveys, it is critical to improve our understanding of the structure and evolution of the hot X-ray emitting intracluster medium (ICM). In this session, we discussed recent advances in observations and simulations of galaxy clusters, with highlights on (i) the evolution of ICM profiles and scaling relations, (ii) physical processes operating in the outskirts of galaxy clusters, and (iii) impact of mergers on the ICM structure in groups and clusters.

Keywords

X-rays: galaxies: clustersgalaxies: clusters: generalgalaxies: interactions
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 11 , General Assembly A29B: Astronomy in Focus , August 2015 , pp. 70 - 78
Copyright
Copyright © International Astronomical Union 2016 

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