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Issue A&A
Volume 451, Number 3, June I 2006
Page(s) 817 - 820
Section Extragalactic astronomy
DOI http://dx.doi.org/10.1051/0004-6361:20054497



A&A 451, 817-820 (2006)
DOI: 10.1051/0004-6361:20054497

Disturbed isolated galaxies: indicators of a dark galaxy population?

I. D. Karachentsev1, V. E. Karachentseva2 and W. K. Huchtmeier3

1  Special Astrophysical Observatory, Russian Academy of Sciences, N. Arkhyz, KChR, 369167, Russia
    e-mail: ikar@luna.sao.ru
2  Astronomical Observatory of Kiev University, Observatorna 3, 04053 Kiev, Ukraine
3  Max-Planck-Institut fur Radioastronomy, Auf dem Hugel 69, 53121 Bonn, Germany



(Received 9 November 2005 / Accepted 14 January 2006 )

Abstract
We report the results of our search for disturbed (interacting) objects among very isolated galaxies. The inspections of 1050 northern isolated galaxies from KIG and 500 nearby, very isolated galaxies situated in the Local Supercluster yielded five and four strongly disturbed galaxies, respectively. We suggest that the existence of "dark" galaxies explains the observed signs of interaction. This assumption leads to a cosmic abundance of dark galaxies (with the typical masses for luminous galaxies) that is less than ~1/20 the population of visible galaxies.


Key words: galaxies: interactions

SIMBAD Objects



© ESO 2006


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