High energy emission in accretion flows in AGN

Details High energy emission in accretion flows in AGN High energy emission in accretion flows in AGN

May 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992aipc..254..333k&link_type=abstract

In: Testing the AGN paradigm; Proceedings of the 2nd Annual Topical Astrophysics Conference, Univ. of Maryland, College Park, Oc

Astronomy and Astrophysics

Astronomy

1

Accretion Disks, Active Galactic Nuclei, Black Holes (Astronomy), Electron-Positron Pairs, Gamma Rays, High Energy Interactions, X Ray Sources, Cos-B Satellite, Pair Production, Relativistic Particles

Scientific paper

Hot accretion disks developing in the inner accretion flows onto supermassive black holes produce copious amounts of relativistic electron-positron pairs, X-rays and gamma-rays. The relativistic pairs upscatter the X-rays emanating from the disk and produce gamma-rays up to about 300 MeV. These coupled with pion produced gamma-rays are blueshifted in the disk and emerge with energies of hundreds of MeV. Penrose pair-produced pairs emerge with energies up to 4-5 GeV. Hot accretion disks are discussed in the context of high energy extragalactic sources like 3C 279.

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