Broad emission line profiles in Seyfert-1 galaxies - Forbidden line O III-wings from a transition zone

Details Broad emission line profiles in Seyfert-1 galaxies - Forbidden line O III-wings from a transition zone Broad emission line profiles in Seyfert-1 galaxies - Forbidden line O III-wings from a transition zone

Mar 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989a%26a...211..293v&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 211, no. 2, March 1989, p. 293-309. Research supported by ZWO.

Astronomy and Astrophysics

Astrophysics

29

Astronomical Spectroscopy, Forbidden Transitions, Galactic Radiation, Oxygen Spectra, Seyfert Galaxies, Balmer Series, Emission Spectra, Iron, Line Spectra

Scientific paper

Observations of 12 Seyfert-1 galaxies show the existence of broad wings under the strong forbidden O III 5007 A line in 10 of the galaxies. The possible contributions of Fe II (42) 5018 A, He I 5016 A, Si II 5041, 5056 A, and H-beta to the wings are considered. Also, a search for a counterpart of the wing in other forbidden and permitted lines has been conducted. The density in the wing-emitting region is estimated at a few times 10 to the 6th/cu cm.

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