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Optical Studies of Small Groups of Galaxies

Published online by Cambridge University Press:  14 August 2015

Edwin. L. Turner
Edwin. L. Turner*
Affiliation:
Harvard College Observatory

Extract

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Galaxies occur in a wide variety of systems ranging from binary pairs through small groups to rich clusters. These systems in turn possess a wide range of densities, with typical separations between bright (L ≫ L* = 3.4 × 1010 L⊙) galaxies varying from ≲ 10 kpc up to ~ 1 Mpc. Among the most common of these systems are small, loose groups containing ≲ 10 bright galaxies with separations ≳ 100 kpc. Such systems probably contain a substantial fraction of all galaxies (de Vaucouleurs 1975; van den Bergh 1962; Karachentseva 1973). Familiar examples include the Local Group and M81 group.

Type
I. Galaxies in Small Groups
Information
Symposium - International Astronomical Union , Volume 79: The Large Scale Structure of the Universe , 1978 , pp. 21 - 29
Copyright
Copyright © Reidel 1978 

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