Constraining Cluster Evolution at z > 1 with the SpARCS-RCS Cluster Surveys

Details Constraining Cluster Evolution at z > 1 with the SpARCS-RCS Cluster Surveys Constraining Cluster Evolution at z > 1 with the SpARCS-RCS Cluster Surveys

Oct 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010xmm..prop..129e&link_type=abstract

XMM-Newton Proposal ID #06731102

Other

Groups Of Galaxies, Clusters Of Galaxies, Supercluster, Xmm-129

Scientific paper

We propose XMM-EPIC observations of 3 clusters at high redshift from the SpARCS survey in order to constrain the evolution of X-ray scaling relations. An important difference between this survey and others is that by using galaxy-selected clusters, we can construct a sample which is unbiased in its gas properties. Each of these clusters has been detected by three methods: as a highly significant overdensity of red sequence galaxies, spectroscopically as a cluster with numerous confirmed members and velocity dispersions > 500 km/s, and as a faint, but extended X-ray source. Our proposed observations will yield accurate gas temperatures, enabling these clusters to be used in a study of the evolution of the cluster gas, galaxy and mass scaling relations to z>1.

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