XMM-Newton Proposal 03070801

Details XMM-Newton Proposal 03070801 XMM-Newton Proposal 03070801

Oct 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004xmm..prop..224j&link_type=abstract

XMM-Newton Proposal ID #03070801

Computer Science

Groups Of Galaxies, Clusters Of Galaxies, Supercluster, 0139-273, Xmm-Newton Proposal 03070801

Scientific paper

We have identified large excesses of red galaxies in the fields of powerful radio AGN at z=1.5 with colours and photometric redshifts which suggest they are old, passively-evolving, massive ellipticals within rich galaxy clusters. These galaxies comprise the most distant red sequences yet discovered, and therefore offer unique prospects for advancing studies of the evolution of clusters and cluster galaxies. We have begun an extensive follow-up programme in the two richest fields which already includes deep imaging with HST ACS and awarded time with Spitzer. Here, we propose XMM imaging to i) investigate the intracluster medium in these systems and ii) identify AGN hosted by cluster members.

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