A compact group in Virgo

Details A compact group in Virgo A compact group in Virgo

Jul 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989a%26a...219...98m&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 219, no. 1-2, July 1989, p. 98-100.

Statistics

Computation

19

Computational Astrophysics, Virgo Galactic Cluster, Elliptical Galaxies, Magnitude

Scientific paper

An automated search for subgroups in the Virgo cluster that strictly satisfy Hickson's (1982) compact group selection criteria is performed. The data is taken from Tully's (1987) recent survey. The algorithm returns a single compact group, whose brightest member is M 60 (NGC 4649). No interloping galaxies are found to spoil the isolation of the group. The group would be the closest known compact group. Its nature (dense system or chance alignment of galaxies) is discussed. The presence of a compact group in Virgo suggests that other clusters may also be the sites of such systems.

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