Physical conditions in the nuclei of type 1 Seyfert galaxies

Details Physical conditions in the nuclei of type 1 Seyfert galaxies Physical conditions in the nuclei of type 1 Seyfert galaxies

Jul 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979afz....15..383p&link_type=abstract

(Astrofizika, vol. 15, July-Sept. 1979, p. 383-392.) Astrophysics, vol. 15, no. 3, Jan. 1980, p. 257-263. Translation.

Astronomy and Astrophysics

Astrophysics

1

Electron Density (Concentration), Electron Energy, Galactic Nuclei, Radio Galaxies, Seyfert Galaxies, Astrophysics, Galactic Radiation, Galactic Structure, Stellar Spectrophotometry

Scientific paper

Osterbrock's spectrophotometric results were used to determine in a unified manner the electron densities and temperatures in the nuclei of 36 Seyfert galaxies of type 1 and five radio galaxies. It was found that in the O(2+) emission zones of all the investigated objects the temperatures are close to 10,000 K and the densities to 5 million per cu cm. The dispersion of both these parameters is very small. The spread of the values of the same parameters in the O(+) emission zones is much greater.

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