List of groups of galaxies based on the CfA2 redshift survey

Details List of groups of galaxies based on the CfA2 redshift survey List of groups of galaxies based on the CfA2 redshift survey

Jan 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010ap.....53...70m&link_type=abstract

Astrophysics, Volume 53, Issue 1, pp.70-81

Astronomy and Astrophysics

Astrophysics

Galaxies, Groups Of Galaxies, Identification Methods

Scientific paper

Groups of galaxies are identified on the basis of the CfA2 redshift survey and a method proposed by one of the authors. Of the 15577 galaxies that have redshifts of 1000-15000 km/s and lie at galactic latitudes |bII| ≥ 20° , 1971 groups with n ≥ 2 members were found, with a combined total number of 6787 members. The remaining 8790 (56.4%) galaxies constitute a sample of “single,” isolated galaxies. The dispersion in the radial velocities of the groups and their radii are found to depend weakly on the distance to the observer.

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