a Chandra Survey of a Uniformly-Selected Sample of High-Redshift Galaxy Clusters

Physics

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Chandra Proposal Id #04800361

Scientific paper

Although galaxy clusters are the largest collapsed objects known, and therefore must have formed relatively recently, there is so far little quantitative evidence for evolution of cluster X-ray emission. To address this puzzle, we propose an X-ray survey of clusters at redshifts 0.8 < z < 1.1 discovered in the Red Cluster Sequence (RCS) survey. Our ultimate aim is to obtain sufficient Chandra exposure to measure the X-ray luminosity (Lx) and integrated temperature (T) of every RCS cluster with z>0.8. These data will provide constraints on the evolution of both the Lx-T relation and the morphology of cluster X-ray emission.

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