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Relativistic electron-photon showers in the nuclei of active galaxies and quasars

Journal Article · · Astrophysics (Engl. Transl.); (United States)
DOI:https://doi.org/10.1007/BF01005821· OSTI ID:5605179
; ;
The emission mechanism of the observed gamma radiation of active galaxies and quasars is investigated theoretically. A model based on the development of a high-energy EM cascade due to nonthermal relativistic particles in the source regions is proposed and used to interpret published observations of the Seyfert galaxies NGC 4151 and MCG 8-11-11, the quasars 3C 273 and 0241 + 622, and the radio galaxy Cen A (NGC 5128).
Research Organization:
Fizicheskii Institut, Yerevan, USSR
OSTI ID:
5605179
Journal Information:
Astrophysics (Engl. Transl.); (United States), Journal Name: Astrophysics (Engl. Transl.); (United States) Vol. 20; ISSN ATPYA
Country of Publication:
United States
Language:
English

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Related Subjects

640103* -- Astrophysics & Cosmology-- Quasi-Stellar
Radio
& X-Ray Sources-- (-1987)
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
BASIC INTERACTIONS
COMPTON EFFECT
COSMIC RADIO SOURCES
ELASTIC SCATTERING
ELECTROMAGNETIC INTERACTIONS
ELECTROMAGNETIC RADIATION
ENERGY RANGE
ENERGY SPECTRA
GALAXIES
GALAXY NUCLEI
GAMMA RADIATION
INTERACTIONS
IONIZING RADIATIONS
QUASARS
RADIATIONS
RADIO GALAXIES
RELATIVISTIC RANGE
SCATTERING
SEYFERT GALAXIES
SPECTRA