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First Ranked Galaxy Morphology and Morphological Content in Groups of Galaxies

Published online by Cambridge University Press:  25 May 2016

A. P. Mahtessian  and
V. H. Movsessian
A. P. Mahtessian
Affiliation:
Byurakan Astrophysical Observatory, Byurakan, 378433, Armenia
V. H. Movsessian
Affiliation:
Byurakan Astrophysical Observatory, Byurakan, 378433, Armenia

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V. Ambartsumian (1956) has shown that the observable quantity of double and multiple galaxies much exceeds that expected, based on the assumption about dissociative balance. He has concluded that the members of double and multiple systems, as well as the clusters, could not arise independently of each other, and only then to be united in systems, by mutual capture. They should arise in common. Moreover, when in a group are large luminous central galaxies, the origin of the weak members of the group should be caused by activity of a nucleus of the central galaxy (Ambartsumian 1962). On the other hand, recently, there was widespread the opinion that the properties of central galaxies of groups and clusters are caused by interactions with environmental galaxies.

Type
IV. AGN Related Phenomena
Information
Symposium - International Astronomical Union , Volume 194: Activity in Galaxies and Related Phenomena , 1999 , pp. 432 - 433
Copyright
Copyright © Astronomical Society of the Pacific 1999 

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