PALEO Astronomy: The Formation and Evolution of Fossil Groups

Details PALEO Astronomy: The Formation and Evolution of Fossil Groups PALEO Astronomy: The Formation and Evolution of Fossil Groups

Oct 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006xmm..prop..140p&link_type=abstract

XMM-Newton Proposal ID #05036302

Physics

Groups Of Galaxies, Clusters Of Galaxies, Supercluster, 2Masx J07432223, Cgcg 211-053, Xmm-Newton Proposal 05036302

Scientific paper

PALEO is an ongoing study of fossil groups designed to probe the physical processes responsible for fossil group formation and the role of environment in their evolution. At its core is the first volume-limited, complete sample of fossil candidates, optically selected from the SDSS DR4. The existing large-scale spectroscopic data is being complemented with deep optical surface brightness observations which will probe the intra-group light component in fossil groups for the first time. The X-ray observations we propose here form the essential final component of our study, allowing us to confirm their fossil nature and examine the physical and chemical state of their hot intragroup medium.

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