Seyfert Galaxies in Compact Groups

Details Seyfert Galaxies in Compact Groups Seyfert Galaxies in Compact Groups

2002-09-18

arxiv.org/abs/astro-ph/0209374v2

Astronomy and Astrophysics

Astrophysics

4 pages 3 figures, in Inflows Outflows and Reprocessing around Black Holes, 5 Italian AGN Meeting, 2002

Scientific paper

We present results concerning the occurrence of Seyfert galaxies in a new large sample of Compact Groups (Focardi & Kelm 2002). Seyfert galaxies turn out to be relatively rare (<3%), with a significant dominance of Sy2. Seyferts are preferentially associated to Compact Groups displaying relatively high velocity dispersion and a large number of neighbours. These characteristics,together with an excess of ellipticals among companions, suggest that Seyferts are to be found preferentially in rich-groups/poor-cluster like CGs.

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