The shapes of brightest cluster galaxies

Details The shapes of brightest cluster galaxies The shapes of brightest cluster galaxies

Jun 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993apj...410..515r&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 410, no. 2, p. 515-519.

Other

21

Elliptical Galaxies, Galactic Clusters, Galactic Structure, Brightness Distribution, Distribution Functions, Shapes

Scientific paper

The distribution of axis ratios presently computed for a sample of brightest cluster galaxies (BCGs) is found to not vary greatly from a similar distribution for a sample of ordinary ellipticals. A significant difference is noted, however, between the distribution of axis ratios for a sample of BCGs and for a sample of second-brightest cluster ellipticals. It is also noted, in partial support for a hypothesized competition of BCGs for cluster galaxies that would otherwise merge with the second-brightest cluster ellipticals, that the shape of a merger remnant can reflect the relative masses of the progenitor as well as the angular momentum of the merging system.

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