Astronomy and Astrophysics – Astronomy
Scientific paper
Apr 1975
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975sval....1...51b&link_type=abstract
(Pis'ma v Astronomicheskii Zhurnal, vol. 1, Mar. 1975, p. 12-17.) Soviet Astronomy Letters, vol. 1, Mar.-Apr. 1975, p. 51-53. Tr
Astronomy and Astrophysics
Astronomy
3
Emission Spectra, Galactic Nuclei, Line Spectra, Quasars, Seyfert Galaxies, X Ray Astronomy, Galactic Radiation, Gas Ionization, Ionizing Radiation, Optical Emission Spectroscopy
Scientific paper
As calculation shows, optical emission spectrum and emission line
variability of Seyfert galaxies and quasars nuclei can be explained by
heating and ionization of gas by variable 100-500 eV X-rays. The
required X-ray intensity agrees with observational data.
Bochkarev Nikolai G.
Pudenko S. P.
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