Identification of X-ray sources <1° from Seyfert galaxies.

Details Identification of X-ray sources <1° from Seyfert galaxies. Identification of X-ray sources <1° from Seyfert galaxies.

Mar 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997a%26a...319...33a&link_type=abstract

Astronomy and Astrophysics, v.319, p.33-44

Astronomy and Astrophysics

Astrophysics

51

Galaxies: Seyfert, Bl Lac Objects, Quasars: General, X-Rays: Galaxies

Scientific paper

Excess numbers of X-ray sources around bright Seyfert galaxies have been demonstrated with significances of association up to 7.4-sigma (Radecke, preceding paper). The optical identification of these sources is shown here to be predominantly blue stellar objects (BSO's) of which some are already catalogued as quasars. Excluding the two brightest Seyferts, a subset of 24 with apparent magnitudes between 8.04<=B_T_^o,i^<=12.90mag. show a minimum excess of >46 bright X-ray sources. These excess X-ray sources are generally distributed between 10'

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