Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982azh....59.1089z&link_type=abstract
(Astronomicheskii Zhurnal, vol. 59, Nov.-Dec. 1982, p. 1089-1092) Soviet Astronomy (ISSN 0038-5301), vol. 26, Nov.-Dec. 1982, p.
Astronomy and Astrophysics
Astronomy
Accretion Disks, Galactic Nuclei, Seyfert Galaxies, X Ray Spectra, Black Holes (Astronomy), Optical Thickness, Spectrum Analysis
Scientific paper
The activity of the nuclei of Seyfert 1 galaxies could represent two-temperature disk-type accretion onto a supermassive black hole, while the activity in Seyfert 2 nuclei would correspond to the accretion regime of an optically thin disk. The parameters of such a disk are evaluated. Seyfert 2 nuclei should generate an X-ray luminosity Lx = 10 to the 42nd to 10 to the 43rd erg/sec, the flux declining exponentially with energy for (h)(nu) not less than approximately 10 keV.
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