Chandra Detection of a high redshift Sunayev-Zel'dovich Cluster Candidate

Details Chandra Detection of a high redshift Sunayev-Zel'dovich Cluster Candidate Chandra Detection of a high redshift Sunayev-Zel'dovich Cluster Candidate

Sep 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005cxo..prop.2024g&link_type=abstract

Chandra Proposal ID #07800391

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Chandra Proposal Id #07800391

Scientific paper

We propose to use Chandra to confirm the identification of a distant cluster candidate that was selected from the ACBAR Sunyaev-Zel'dovich (SZ) Blind Cluster Survey. This candidate shows a strong SZ decrement that is consistent with a 10^{15} solar mass cluster. A MOSAIC CCD image from the CTIO 4m telescope has uncovered an over density of faint red galaxies and Gemini GMOS-S spectra reveals the presence of 4 cluster members at a redshift 0.47. If confirmed in the X-ray band, this will be the first cluster to have been discovered via its SZ signal alone. Ultimately our blind cluster survey will be used to put constraints on cosmological parameters, but in this proposal our goals are more modest: we wish only to confirm that at one of our candidates is a genuine X-ray bright cluster.

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