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Title:
Cannibalism among the galaxies - Dynamically produced evolution of cluster luminosity functions
Authors:
Ostriker, J. P.; Hausman, M. A.
Affiliation:
AA(Princeton University, New Observatory, Princeton, N.J.), AB(Princeton University, New Observatory, Princeton, N.J.)
Publication:
Astrophysical Journal, Part 2 - Letters to the Editor, vol. 217, Nov. 1, 1977, p. L125-L129. (ApJL Homepage)
Publication Date:
11/1977
Category:
Astrophysics
Origin:
STI
NASA/STI Keywords:
Galactic Clusters, Galactic Evolution, Luminous Intensity, Computerized Simulation, Galactic Radiation, Gravitational Effects, Monte Carlo Method
DOI:
10.1086/182554
Bibliographic Code:
1977ApJ...217L.125O

Abstract

It is shown how the merging of galaxies in clusters will tend to produce supergiant systems of low surface brightness similar to the known cD systems and also the apparently nonstatistical features seen at the bright end of the cluster luminosity function. Tests of the theory are proposed, and methods of deriving a luminosity correction (for dynamical evolution) are suggested.

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