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Southern triplets of galaxies

Published online by Cambridge University Press:  12 April 2016

V. E. Karachentseva  and
I. D. Karachentsev
V. E. Karachentseva
Affiliation:
Astronomical Observatory of Kiev University, Ukraine
I. D. Karachentsev
Affiliation:
Special Astrophysical Observatory, Russia

Abstract

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Using the ESO/SERC and POSS-I sky surveys we selected 76 isolated triple systems of galaxies with Dec. < −3°. For each triplet the equatorial coordinates, type of configuration, angular diameters, apparent angular separation of the components, morphological types, total magnitudes and some other characteristics are presented. 33 of 76 triplets have the measured radial velocities for all the components. The median values of basic dynamic parameters: a radial velocity dispersion, mean harmonic separation, an absolute magnitude of galaxies, mass-toluminosity ratio are very close to those obtained earlier for 83 northern isolated triple systems from the list of Karachentseva et al. (1979).

Type
Part 1. New Surveys
Information
International Astronomical Union Colloquium , Volume 174: Small Galaxy Groups , 2000 , pp. 11 - 24
Copyright
Copyright © Astronomical Society of the Pacific 2000

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