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A Study of the Compact Group of Galaxies Shahbazian 4

Published online by Cambridge University Press:  12 April 2016

C. R. Lynds ,
E. Ye. Khachikian  and
A. S. Amirkhanian
C. R. Lynds
Affiliation:
Kitt Peak National Observatory, operated by AURA, Inc., under contract with the National Science Foundation
E. Ye. Khachikian
Affiliation:
Byurakan Astrophysical Observatory
A. S. Amirkhanian
Affiliation:
Byurakan Astrophysical Observatory

Abstract

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For the members of the compact group of galaxies Shahbazian 4 the radial velocities are defined. The velocity dispersion is 440 km s−1. Moreover the appparent and absolute magnitudes of galaxies in the V band as well as the mass-to-luminosity ratio are obtained. The latter is approximately 220 M⊙/L⊙. The “crossing time” for the group Shahbazian 4 is equal to 4.7 × 107 years. It is one of the densest group of galaxies with n ~ 104 galaxies Mpc−3.

Type
II. Classical Observations of Multiplets
Information
International Astronomical Union Colloquium , Volume 124: Paired and Interacting Galaxies , 1990 , pp. 133 - 142
Copyright
Copyright © NASA 1990

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