Chandra observations of clusters detected with the South Pole Telescope

Physics

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Clusters Of Galaxies

Scientific paper

We present the first results from the Chandra X-ray followup of the Sunyaev Zel'dovich (SZ) survey currently conducted with the South Pole Telescope (SPT). The sample includes multiple objects not previously identified as clusters of galaxies and these represent the first clusters discovered using the Sunyaev Zel'dovich effect. Temperatures, luminosities and gas mass estimates are presented for the eight clusters followed up by Chandra to date. The clusters are a subset of a larger sample from a 200 sq deg area survey observed with SPT during the 2007 and 2008 observing seasons, selected using the SZ signal. We relate the derived X-ray mass proxies to the observed SZ flux.

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