Brightest Cluster Galaxies in Non-Cool Core Clusters

Details Brightest Cluster Galaxies in Non-Cool Core Clusters Brightest Cluster Galaxies in Non-Cool Core Clusters

Aug 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011scgg.conf...19h&link_type=abstract

"Structure in Clusters and Groups of Galaxies in the Chandra Era, 2011 Chandra Science Workshop held July 12-14, 2011. Edited by

Physics

Scientific paper

In Haarsma et al 2010, we investigated Brightest Cluster Galaxies (BCGs) and core gas in the REXCESS representative sample of 31 galaxy clusters. We detected a correlation between the central stellar density of the BCG and the central gas density of the cluster, but only for non-cool core clusters. We suggested that the same process that sets the central entropy in non-CC clusters also determines the central stellar density of the BCG, and that this underlying physical process could be mergers. We are now testing whether the correlation is present in a sample of 75 clusters from the Archive of Chandra Cluster Entropy Profiles (ACCEPT, Cavagnolo et al 2009) that have optical data in the Sloan Digital Sky Survey. This work is supported by the Michigan Space Grant Consortium.

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