On the hard X-ray emission mechanism of active galactic nuclei sources

Details On the hard X-ray emission mechanism of active galactic nuclei sources On the hard X-ray emission mechanism of active galactic nuclei sources

Aug 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979apj...231l.111l&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor, vol. 231, Aug. 1, 1979, p. L111-L114.

Astronomy and Astrophysics

Astronomy

35

Active Galactic Nuclei, Astronomical Models, Black Holes (Astronomy), X Ray Sources, Compton Effect, Deposition

Scientific paper

Within the framework of unsaturated Compton disk accretion onto a supermassive black hole as a model for power-law active-galactic-nuclei X-ray sources (as opposed to the synchro-Compton model), the hot-inner-disk model of Shapiro, Lightman, and Eardley (1976) is compared with the disk-corona model with balanced conduction and Compton losses. Both can generate electron temperatures of at least about 1 billion K in the supermassive case but promise other observable distinctions. The sandwich configuration of the disk corona provides a natural explanation of why Comptonization is unsaturated.

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