Optical Observations for an ultra-deep Sunyaev-Zeldovich Cluster Survey

Details Optical Observations for an ultra-deep Sunyaev-Zeldovich Cluster Survey Optical Observations for an ultra-deep Sunyaev-Zeldovich Cluster Survey

Aug 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006noao.prop..274g&link_type=abstract

NOAO Proposal ID #2006B-0274

Computer Science

Scientific paper

We propose to complete an optical mosaicing (g, r, i, and z) of an `ultra-deep' Blind Cluster Sunyaev-Zel'dovich Effect (SZE) survey. This region was observed with the ACBAR bolometer array with a sensitivity of < 5 (mu) K per beam. Part of this region has already been observed by the CTIO Blanco telescope in the g and r bands. A preliminary analysis of these data reveals interesting correlations between the SZE cluster candidates and local overdensities of faint galaxies. We are in the process of obtaining optical redshifts and X-ray observations to confirm that these are the first clusters detected only by their SZE signal. Furthermore, these observations will provide a control sample for upcoming SZE cluster surveys.

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