Groups of galaxies within 80 Mpc. II - The catalogue of groups and group members

Details Groups of galaxies within 80 Mpc. II - The catalogue of groups and group members Groups of galaxies within 80 Mpc. II - The catalogue of groups and group members

May 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992a%26as...93..211f&link_type=abstract

Astronomy and Astrophysics Supplement Series (ISSN 0365-0138), vol. 93, no. 2, May 1992, p. 211-233.

Astronomy and Astrophysics

Astronomy

43

Galactic Clusters, Local Group (Astronomy), Radial Velocity, Red Shift, Luminosity, Spectroscopy

Scientific paper

This paper gives a catalog of the groups and associations obtained by means of a revised hierarchical algorithm applied to a sample of 4143 galaxies with diameters larger than 100 arcsec and redshifts smaller than 6000 km/s. The 264 groups of galaxies obtained in this way (and which contain at least three sample galaxies) are listed, with the loose associations surrounding them and the individual members of each aggregate as well; moreover, the location of every entity among 13 regions corresponding roughly to superclusters is specified. Finally, 1729 galaxies belong to the groups, and 466 to the associations, i.e., the total fraction of galaxies within the various aggregates amounts to 53 percent.

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