Accretion disks in Seyfert nuclei - Broad line profiles and asymmetries

Details Accretion disks in Seyfert nuclei - Broad line profiles and asymmetries Accretion disks in Seyfert nuclei - Broad line profiles and asymmetries

Oct 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983a%26a...126..363v&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 126, no. 2, Oct. 1983, p. 363-371. Research supported by the Nederlandse Organ

Astronomy and Astrophysics

Astrophysics

38

Accretion Disks, Astronomical Spectroscopy, Galactic Nuclei, Seyfert Galaxies, Spectral Line Width, Astronomical Models, Emission Spectra, H Lines, Oxygen Spectra

Scientific paper

In this paper keplerian rotation around a massive object in the centre of a Seyfert galaxy is considered as the main broadening mechanism for the broad emission lines. The resultant line profiles are shown to be of power-law form in the wings and are compared with recently published high quality observations. Several possible solutions are given for the [O III]-problem raised by Shields (1978). Asymmetries in the line profiles are explained by anisotropically radiating filaments in two oppositely directed jets emanating from the centre of the disk and by radial motions in or above the disk.

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