Studying the Nature of Dark Energy with Galaxy Clusters
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🌌 astro-ph
keywords
clusterclustersdarkenergynaturesampleabellappearance
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We report on the status of our effort to constrain the nature of dark energy through the evolution of the cluster mass function. Chandra temperature profiles for 31 clusters from a local cluster sample are shown. The X-ray appearance of the proto supermassive binary black hole at the center of the cluster Abell 400 is described. Preliminary weak lensing results obtained with Megacam@MMT for a redshift z=0.5 cluster from a distant cluster sample are given.
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