/ftp/cats/aliases/W/WB2011



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J/AJ/141/88         Galaxy cluster environments of radio sources  (Wing+, 2011)
The following files can be converted to FITS (extension .fit or fit.gz)
	table6.dat
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Query from: http://vizier.cds.unistra.fr/viz-bin/VizieR?-source=J/AJ/141/88
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Beginning of ReadMe : J/AJ/141/88 Galaxy cluster environments of radio sources (Wing+, 2011) ================================================================================ Galaxy cluster environments of radio sources. Wing J.D., Blanton E.L. <Astron. J., 141, 88 (2011)> =2011AJ....141...88W ================================================================================ ADC_Keywords: Clusters, galaxy ; Radio sources ; Photometry, SDSS Keywords: galaxies: clusters: general - galaxies: groups: general - radio continuum: galaxies Abstract: Using the Sloan Digital Sky Survey (SDSS) and the Faint Images of the Radio Sky at Twenty Centimeters (FIRST) catalogs, we examined the optical environments around double-lobed radio sources. Previous studies have shown that multi-component radio sources exhibiting some degree of bending between components are likely to be found in galaxy clusters. Often this radio emission is associated with a cD-type galaxy at the center of a cluster. We cross-correlated the SDSS and FIRST catalogs and measured the richness of the cluster environments surrounding both bent and straight multi-component radio sources. This led to the discovery and classification of a large number of galaxy clusters out to a redshift of z 0.5.