The environment of D and cD galaxies

Details The environment of D and cD galaxies The environment of D and cD galaxies

Nov 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983apj...274..491b&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 274, Nov. 15, 1983, p. 491-501.

Mathematics

Logic

80

Galactic Clusters, Galactic Structure, Galaxies, Constraints, Galactic Evolution, Magnitude, Spatial Distribution

Scientific paper

The Dressler (1980) morphological sample of galaxies in clusters is used in an investigation of bright galaxy spatial distribution, which has established that such galaxies with luminous extended halos as the D or cD lie on significant cluster galaxy distribution peaks irrespective of whether they are the brightest cluster member. The mean distance of bright D and cD galaxies from local density peaks is of the order of their halo scales, and the positions of bright galaxies of other morphological types are consistent with their being drawn at random from each morphological population. It is noted that local density peaks with associated d ocD galaxies have a mean density 2-3 times greater than peaks without a D or cD.

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