Computer Science
Scientific paper
Nov 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009ycat..35040347c&link_type=abstract
VizieR On-line Data Catalog: J/A+A/504/347. Originally published in: 2009A&A...504..347C
Computer Science
Clusters: Galaxy, X-Ray Sources, Redshifts, Velocity Dispersion
Scientific paper
We select clusters of galaxies from two catalogues based on the SDSS: the ROSAT-SDSS galaxy cluster survey, which is an X-ray selected cluster sample and the MaxBCG catalogue, in which clusters are optically selected. Based on a volume limited sample of galaxies drawn from the spectroscopic DR5 SDSS, we constructed sub-samples of clusters of galaxies with more than ten members. Scaling relations as well as segregation of galaxy properties as a function of the normalized clustocentric radii are analyzed. The properties of galaxies in clusters are compared with those of field galaxies.
(2 data files).
Coenda Valeria
Muriel Hernan
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