Hostname: page-component-84b7d79bbc-lrf7s Total loading time: 0 Render date: 2024-07-27T05:50:36.695Z Has data issue: false hasContentIssue false
  • English
  • Français

A Homogeneous Sample of Binary Galaxies: Basic Observational Properties

Published online by Cambridge University Press:  12 April 2016

I. D. Karachentsev
I. D. Karachentsev*
Affiliation:
Special Astrophysical Observatory, USSR Academy of Sciences st. Zelenchukskaya, Stavropol Territory, 357147, USSR

Abstract

Core share and HTML view are not available for this content. However, as you have access to this content, a full PDF is available via the ‘Save PDF’ action button.

A survey of optical characteristics for 585 binary systems, satisfying a condition of apparent isolation on the sky, is presented. Influences of various selection effects distorting the average parameters of the sample are noted. The pair components display mutual similarity over all the global properties: luminosity, diameter, morphological type, mass-to-luminosity ratio, angular momentum etc., which is not due only to selection effects. The observed correlations must be caused by common origin of pair members. Some features (nuclear activity, color index) could acquire similarity during synchronous evolution of double galaxies.

Despite the observed isolation, the sample of double systems is seriously contaminated by accidental pairs, and also by members of groups and clusters. After removing false pairs estimates of orbital mass-to-luminosity ratio range from 0 to 30 f⊙, with the mean value (7.8 ± 0.7) f⊙. Binary galaxies possess nearly circular orbits with a typical eccentrity e = 0.25, probably resulting from evolutionary selection driven by component mergers under dynamical friction. The double-galaxy population with space abundance 0.12±0.02 and characteristic merger timescale 0.2 H−1 may significantly influence the rate of dynamical evolution of galaxies.

Type
I. Classical Observations of Pairs
Information
International Astronomical Union Colloquium , Volume 124: Paired and Interacting Galaxies , 1990 , pp. 3 - 17
Copyright
Copyright © NASA 1990

References

Arp, H., 1966, Atlas of peculiar galaxies. Astrophys. J. Suppl.Ser., 14, 3.CrossRefGoogle Scholar
Clutton-Brock, M., 1972, Astrophys. Space Sci., 17, 292.Google Scholar
Dahari, O., 1984, Astron. J., 89, 966.Google Scholar
Davis, M., Peebles, P.J.E., 1983, Astrophys. J., 267, 465.CrossRefGoogle Scholar
Demin, V.V., Zasov, A.V., Dibaj, E.A., Tomov, A.N., 1984, Astron. Zh., 61, 625.Google Scholar
Heckman, T.M., Bothun, G.D., Balick, E., Smith, E.P., 1984, Astron. J., 289, 1958.Google Scholar
Helou, G.,1984, Astrophys. J., 284, 471.CrossRefGoogle Scholar
Holmberg, E. 1937, Study of Double and Multiple Galaxies – Annals of the Observ. of Lund, 6, 5.Google Scholar
Holmberg, E., 1954, Medd. Lunds. Astron. Obs., Ser.1, No 186, 1.Google Scholar
Karachentsev, I.D., 1972, Catalogue of isolated pairs of galaxies in northern hemisphere. Soobshch. Spets. Astrofiz. Obs., 7, 3.Google Scholar
Karachentsev, I.D., 1980, Astrophys. J. Suppl.Ser., 44, 137.CrossRefGoogle Scholar
Karachentsev, I.D., 1987, Binary galaxies, Moscow, Nauka.Google Scholar
Londsdale, C.J., Persson, S.E., Mathews, K., 1984, Astrophys. J., 287, 95.CrossRefGoogle Scholar
Lundmark, K., 1927, Uppsala obs. medd., 30, 3.Google Scholar
Ostriker, J.P., Turner, E.L.,1979, Astrophys. J., 234, 785.Google Scholar
Page, T., 1952, Astrophys. J., 116, 63.Google Scholar
Page, T., 1960, Astrophys. J., 132, 910.CrossRefGoogle Scholar
Page, T., 1967, In: Proc. of 5 Berkeley Sympos. Math. Statist, and Probability – Berkeley-Los Angeles, 31.Google Scholar
Peterson, S.D., 1979, Astrophys. J. Suppl. Ser., 40, 527.CrossRefGoogle Scholar
Schweizer, L.Y., 1987, Astrophys. J. Suppl. Ser., 64, 411.Google Scholar
Smirnov, M.A., Tsvetkov, D.Yu., 1981, Astron. Zh. Let., 7, 154.Google Scholar
Stocke, J.T., 1978, Astron. J., 83, 348.Google Scholar
Sulentic, J., 1989, Preprint. Turner EX., 1976, Astrophys. J., 208, 20.Google Scholar
Turner, EX., Aarseth, S.J., Gott, J.R., Mathieu, R.D., 1979, Astrophys. J., 228, 684.Google Scholar
Tifft, W.G., 1982, Astrophys. J. Suppl. Ser., 50, 319.Google Scholar
Toomre, A., Toomre, J., 1972, Astrophys. J., 178, 623.Google Scholar
White, S.D.M., 1978, Mon. Not. R. Astron. Soc, 184, 185.Google Scholar
Vorontsov-Velyaminov, B.A., Krasnogorskaya, A.A., Arkhipova, V.P. 1962, Morphological Catalog of Galaxies, I-IV, Moscow, MGU.Google Scholar
Vorontsov-Velyaminov, B.A., 1959, Atlas and catalog of interacting galaxies, Moscow, MGU.Google Scholar
Vorontsov-Velyaminov, B. A., 1977, Atlas of interacting galaxies, Astron. Astrophys. Suppl. Ser., 28, 1.Google Scholar
Zepf, S.E., Koo, D.C., 1989, Astrophys. J. 337, 34.Google Scholar
Zwicky, F., Herzog, E., Wild, P., Karpowicz, M., Kowal, C., 1961-1968, Catalogue of Galaxies and of Clusters of Galaxies, I-VI, California Institute of Technology, Pasadena.Google Scholar