Seyfert galaxies and environment: Seyferts in galaxy pairs and groups

Details Seyfert galaxies and environment: Seyferts in galaxy pairs and groups Seyfert galaxies and environment: Seyferts in galaxy pairs and groups

Jul 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998a%26a...335..912k&link_type=abstract

Astronomy and Astrophysics, v.335, p.912-918 (1998)

Astronomy and Astrophysics

Astrophysics

17

Galaxies: Interactions, Galaxies: Seyfert

Scientific paper

The occurrence of Seyfert galaxies in 6 samples representative of different cosmological environments (i.e. isolated pairs, compact and loose groups) is analysed. To avoid biases linked to subjective sample selection criteria only canonical samples, taken from the literature, are considered. It is found that the average frequency of Seyferts in all samples, is near 2%. Most Seyferts lying in pairs and compact groups show disturbed morphological appearance, whilst in loose groups disturbed and ``isolated'' Seyferts have roughly the same proportion. all Then, within each sample, structures which host a Seyfert are compared to structures which do not. No appreciable differences regarding dynamical properties are found. Tables 1 to 6 are only available in electronic form at the CDS via anonymous ftp to cdsarc.u-strasbg.fr (130.79.128.5) or via http://cdsweb.u-strasbg.fr/Abstract.html

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