Unveiling Optical Counterparts to Chandra X-ray Cluster Candidates

Details Unveiling Optical Counterparts to Chandra X-ray Cluster Candidates Unveiling Optical Counterparts to Chandra X-ray Cluster Candidates

Aug 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006noao.prop..125b&link_type=abstract

NOAO Proposal ID #2006B-0125

Physics

Scientific paper

We propose to use the KPNO 2.1meter telescope to observe optical counterparts of 16 X-ray cluster candidates detected serendipitously in Chandra fields that lack deep optical coverage. Our deep r'-, i'-, and z'-band imaging will allow us to determine the nature of the extended X-ray sources and measure cluster redshifts to z~ 1.1 using the location of the early-type cluster galaxy red-sequence in the color-magnitude plane. In addition, we will measure the cluster luminosity function, optical richness, color- magnitude relation, and correlations between optical and X-ray properties. By contrasting cluster attributes we will increase our understanding of cluster evolution over a large range in redshift.

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