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The Local Space Density of Optically Selected Clusters of Galaxies
2000
Astrophysical Journal
Abridged] We present here new results on the space density of rich, optically-selected, clusters of galaxies at low redshift (z<0.15). These results are based on the application of the matched filter cluster-finding algorithm to 1067 deg2 of the Edinburgh/Durham Southern Galaxy Catalogue (EDSGC). This is the first major application of this methodology at low redshift and in total, we have detected 2109 clusters above a richness cut-off of R_m >= 50 (or Lambda_cl >= 10). We have used extensive
doi:10.1086/308713
fatcat:2d7c3osh45aeplkmhmtiqndgtu