Rich Optically-Selected Galaxy Clusters at z~1 from the RCS Survey

Details Rich Optically-Selected Galaxy Clusters at z~1 from the RCS Survey Rich Optically-Selected Galaxy Clusters at z~1 from the RCS Survey

Feb 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003noao.prop..239e&link_type=abstract

NOAO Proposal ID #2003A-0239

Computer Science

Scientific paper

We propose to obtain GMOS spectroscopy on a sample of five 0.65< z< 1.3 clusters drawn from the RCS, a large systematic high-z cluster survey. The spectroscopic confirmation of the photometric redshifts of these clusters will significantly increase the number of known z 1 clusters. We will obtain typically 30 to 50 cluster galaxy redshifts in each of these clusters, allowing us to study the galaxy population and dynamical state of the clusters. The combination of this data set with lower redshift samples, X-ray, and SZ observations will allow us to perform comprehensive studies of the relationship between cluster and ICM properties, and the evolution of the cluster galaxy population and dynamical state, over an unprecedented redshift range. We have already obtained GMOS data for one cluster at z=0.87; here we request observations of two additional clusters, and are requesting observations for two more via the Canadian TAC.

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