A High Redshift Optical Cluster Catalog for SDSS DR6

Details A High Redshift Optical Cluster Catalog for SDSS DR6 A High Redshift Optical Cluster Catalog for SDSS DR6

Jan 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aas...21344803h&link_type=abstract

American Astronomical Society, AAS Meeting #213, #448.03; Bulletin of the American Astronomical Society, Vol. 41, p.335

Astronomy and Astrophysics

Astronomy

1

Scientific paper

We report an optical cluster catalog based on SDSS DR6, extending from redshift 0.1 to 0.55. The catalog is generated using GMBCG algorithm, which is a red sequence based cluster finder. The cluster finding technique utilizes the Error Corrected Gaussian Mixture Model to detect clustering in color space and NFW profile to filter the galaxy distribution in spatial ra/dec space. From various tests on mock catalog, the algorithm can produce a cluster catalog with high purity and completeness.

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