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What is the Number of Spiral Galaxies in Compact Groups?

Published online by Cambridge University Press:  12 April 2016

N. A. Tikhonov
N. A. Tikhonov*
Affiliation:
Special Astrophysical Observatory, USSR Academy of Sciences st. Zelenchukskaya, Stavropol Territory 357147, USSR

Abstract

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The distribution of morphological types of galaxies in compact groups is studied on plates from the 6 m telescope. In compact groups there are 57% galaxies of late morphological types (S + Irr), 23% lenticulars (SO) and 20% ellipical galaxies. The morphological content of compact groups is very nearly the same as in loose groups. There is no dependence of galaxy morphology on density in all compact groups (and possibly in loose groups). Genuine compact groups form only 60% if Hickson’s list.

Type
II. Classical Observations of Multiplets
Information
International Astronomical Union Colloquium , Volume 124: Paired and Interacting Galaxies , 1990 , pp. 105 - 114
Copyright
Copyright © NASA 1990

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