Richness of galaxy clusters J/MNRAS/444/147 ivo://CDS.VizieR/J/MNRAS/444/147 doi:10.26093/cds/vizier.74440147 CDS Oguri M. 2024-08-10T20:18:36Z 2015-07-31T12:37:43Z CDS support team CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France cds-question@unistra.fr galaxy-clusters redshifted We present a new algorithm, CAMIRA, to identify clusters of galaxies in wide-field imaging survey data. We base our algorithm on the stellar population synthesis model to predict colours of red sequence galaxies at a given redshift for an arbitrary set of bandpass filters, with additional calibration using a sample of spectroscopic galaxies to improve the accuracy of the model prediction. We run the algorithm on ~11960deg^2^ of imaging data from the Sloan Digital Sky Survey (SDSS) Data Release 8 to construct a catalogue of 71743 clusters in the redshift range 0.1<z<0.6 with richness after correcting for the incompleteness of the richness estimate greater than 20. We cross-match the cluster catalogue with external cluster catalogues to find that our photometric cluster redshift estimates are accurate with low bias and scatter, and that the corrected richness correlates well with X-ray luminosities and temperatures. We use the publicly available Canada-France-Hawaii Telescope Lensing Survey shear catalogue to calibrate the mass-richness relation from stacked weak lensing analysis. Stacked weak lensing signals are detected significantly for eight subsamples of the SDSS clusters divided by redshift and richness bins, which are then compared with model predictions including miscentring effects to constrain mean halo masses of individual bins. We find the richness correlates well with the halo mass, such that the corrected richness limit of 20 corresponds to the cluster virial mass limit of about 1x10^14^h^-1^M_{sun}_ for the SDSS DR8 cluster sample. 2014MNRAS.444..147O https://cdsarc.cds.unistra.fr/viz-bin/cat/J/MNRAS/444/147 Catalog Research IsServedBy TAP VizieR generic service IsServedBy Conesearch service related-to http://www.sdss.org : SDSS Home Page https://cds.unistra.fr/vizier-org/licences_vizier.html https://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/MNRAS/444/147 https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/MNRAS/444/147 http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/MNRAS/444/147 https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/MNRAS/444/147 https://vizier.iucaa.in/viz-bin/votable?-source=J/MNRAS/444/147 http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/MNRAS/444/147 GET text/xml+votable https://tapvizier.cds.unistra.fr/TAPVizieR/tap Cone search capability for table J/MNRAS/444/147/tablea1 (The CAMIRA SDSS DR8 cluster catalogue) https://vizier.cds.unistra.fr/viz-bin/conesearch/J/MNRAS/444/147/tablea1? https://vizier.iucaa.in/viz-bin/conesearch/J/MNRAS/444/147/tablea1? http://vizieridia.saao.ac.za/viz-bin/conesearch/J/MNRAS/444/147/tablea1? 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36761-36763 36770 36774-36775 36784-36785 36787 36816-36817 36824 36826-36827 36854-36855 40895 40927 40939 40942-40943 40947 44861 44863 44875 44878 44898-44900 44908 44949 44951 44957 44959 44981-44983 44989-44991 45038-45039 45042-45043 48957 48973-48975 48981 48983 48986-48987 48994 48997 48999 49022-49023 49077 49079 49085 49091 49113-49115 49124 49126 49128 49130-49131 49140-49142 https://cdsarc.cds.unistra.fr/viz-bin/moc/J/MNRAS/444/147?format=ascii Optical default J/MNRAS/444/147/tablea1 The CAMIRA SDSS DR8 cluster catalogue recno Record number assigned by the VizieR team. Should Not be used for identification. meta.record int RAJ2000 Cluster right ascension (BCG position) (J2000) deg pos.eq.ra;meta.main indexed DEJ2000 Cluster declination (BCG position) (J2000) deg pos.eq.dec;meta.main indexed z [0.1/0.6] Cluster redshift src.redshift float Ncor [20/158] Corrected richness src.class.richness float Nmem [4.4/123] Uncorrected richness src.class.richness float Sloan Display the SDSS data for this cluster meta.ref.url char