Hot intercloud gas in the nuclei of Seyfert galaxies

Details Hot intercloud gas in the nuclei of Seyfert galaxies Hot intercloud gas in the nuclei of Seyfert galaxies

Feb 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985ap%26ss.109..327z&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 109, no. 2, Feb. 1985, p. 327-332.

Astronomy and Astrophysics

Astrophysics

5

Galactic Nuclei, High Temperature Gases, Interstellar Gas, Seyfert Galaxies, Gas Density, Gas Dynamics, Gas Temperature, Photoionization

Scientific paper

Physical conditions are found for a hot intercloud gas in the nuclei of Seyfert galaxies. The gas temperature is determined by photoionization and Compton-scattering of the shortwave radiation of the nucleus. Using observational data for the coronal emission line [Fe X] λ6374 Å, the gas density n = 104cm-3 and temperature T = 106K, typical for the distance 2 pc from the central source, are obtained. It is shown that the intercloud gas is in the state of accretion by the nucleus with a rate M≅ 10-2M_sun;yr-1.

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