Astronomy and Astrophysics – Astronomy
Scientific paper
Feb 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982pazh....8....3d&link_type=abstract
(Pis'ma v Astronomicheskii Zhurnal, vol. 8, Jan. 1982, p. 3-8.) Soviet Astronomy Letters, vol. 8, Jan.-Feb. 1982, p. 1-3. Trans
Astronomy and Astrophysics
Astronomy
2
Emission Spectra, Galactic Nuclei, Gas Dynamics, Plasma Clouds, Quasars, Seyfert Galaxies, Active Galaxies, Astronomical Models, Doppler Effect, Line Spectra, Radio Galaxies, Spectral Line Width, Velocity Distribution
Scientific paper
The distribution of Doppler emission-line widths among the spectra of Seyfert 1 galaxies and quasars is investigated. Neither the model of disks randomly oriented in space nor the model of one-dimensional jets can adequately represent the observed frequency function of the velocities. The gas clouds responsible for the broad emission features in the spectra of active galaxy nuclei seem to have a more or less spherical geometry.
Dibaj Eh. A.
Fabrika Sergei N.
Postnov Konstantin A.
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