SIMBAD references

2005ApJS..157....1G - Astrophys. J., Suppl. Ser., 157, 1-29 (2005/March-0)

The Red-Sequence Cluster Survey. I. The survey and cluster catalogs for patches RCS 0926+37 and RCS 1327+29.


Abstract (from CDS):

The Red-Sequence Cluster Survey (RCS) is a ∼100 deg2, two-filter imaging survey in the RCand z' filters, designed primarily to locate and characterize galaxy clusters to redshifts as high as z=1.4. This paper provides a detailed description of the survey strategy and execution, including a thorough discussion of the photometric and astrometric calibration of the survey data. The data are shown to be calibrated to a typical photometric uncertainty of 0.03-0.05 mag, with total astrometric uncertainties less than 0".25 for most objects. We also provide a detailed discussion of the adaptation of a previously described cluster search algorithm (the cluster red-sequence method) to the vagaries of real survey data, with particular attention to techniques for accounting for subtle variations in survey depths caused by changes in seeing and sky brightness and transparency. A first catalog of RCS clusters is also presented, for the survey patches RCS 0926+37 and RCS 1327+29. These catalogs, representing about 10% of the total survey and comprising a total of 429 candidate clusters and groups, contain a total of 67 cluster candidates at a photometric redshift of 0.9<z<1.4, down to the chosen significance threshold of 3.29 σ.

Abstract Copyright:

Journal keyword(s): Galaxies: Clusters: General - Methods: Statistical - Surveys

VizieR on-line data: <Available at CDS (J/ApJS/157/1): table5.dat table6.dat>

Nomenclature: Tables 5, 6: RCS JHHMMSS+DDMM.m N=241+184.

Simbad objects: 431

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