Disturbed isolated galaxies: indicators of a dark galaxy population?

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....

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Bibliographic Details
Published in:Astronomy and astrophysics (Berlin) 2006-06, Vol.451 (3), p.817-820
Main Authors: Karachentsev, I D, Karachentseva, V E, Huchtmeier, W K
Format: Article
Language:English
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Summary: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 similar to 1/20 the population of visible galaxies.
ISSN:0004-6361
1432-0746
DOI:10.1051/0004-6361:20054497