The Properties of BCGs in X-Ray Selected Clusters

S. Brough, C. A. Collins, D. J. Burke, P. D. Lynam, R. G. Mann

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

We present the K-band Hubble diagram for 162 brightest cluster galaxies(BCGs) in X-ray selected clusters, 0.01 <z<0.83. The sample incorporates that of Burke, Collins, & Mann (2000) and includes additional infrared data from the 2MASS extended source catalogue. We show that below z=0.1 the BCGs show no correlation with their environment, however, above z=0.1 BCGs in more X-ray luminous clusters are more uniform in their photometric properties. This suggests that there may be two populations of BCGs which have different evolutionary histories.
Original languageEnglish
Title of host publicationTracing Cosmic Evolution with Galaxy Clusters
Place of PublicationSan Francisco
PublisherASTRONOMICAL SOC PACIFIC
Pages343-344
Volume268
ISBN (Print)1-58381-108-7
Publication statusPublished - 2002

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