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The Nature of Compact Groups

Published online by Cambridge University Press:  12 April 2016

H. M. Tovmassian ,
H. Tiersch ,
O. Martinez  and
O. Yam
H. M. Tovmassian
Affiliation:
Instituto Nacional de Astrofísica Optica y Electrónica, AP 51 y 216, 72000, Puebla, Pue., México
H. Tiersch
Affiliation:
Sternwarte Königsleiten, Munich, Germany
O. Martinez
Affiliation:
Instituto Nacional de Astrofísica Optica y Electrónica, AP 51 y 216, 72000, Puebla, Pue., México
O. Yam
Affiliation:
Instituto Nacional de Astrofísica Optica y Electrónica, AP 51 y 216, 72000, Puebla, Pue., México

Abstract

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We show that compact groups (CGs) are real physical entities, that almost all HCGs are dynamically associated with generally elongated loose groups of galaxies, that HCGs are compact cores of loose groups, and that they are longer living formations.

Type
Part 2. Properties of Small Groups
Information
International Astronomical Union Colloquium , Volume 174: Small Galaxy Groups , 2000 , pp. 233 - 238
Copyright
Copyright © Astronomical Society of the Pacific 2000

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