Astronomy and Astrophysics – Astronomy
Scientific paper
Jul 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989a%26a...219...53a&link_type=abstract
Astronomy and Astrophysics (ISSN 0004-6361), vol. 219, no. 1-2, July 1989, p. 53-62.
Astronomy and Astrophysics
Astronomy
7
Accretion Disks, Active Galactic Nuclei, Black Holes (Astronomy), Synchrotron Radiation, Turbulence Effects, Astronomical Spectroscopy, Compton Effect, Cosmic X Rays, Gamma Rays, Relativistic Electron Beams
Scientific paper
The present synchrotron-self-Compton model for the EM radiation of AGNs proceeds under the assumption of the turbulent accretion of plasma onto a supermassive black hole (BH), and indicates that the local distribution of relativistic electrons stochastically accelerated by the turbulence should be of the narrow, relativistic Maxwellian type. A noteworthy feature of the model is that the characteristic Lorentz factor of accelerated electrons decreases with increasing distance from the BH. The inverse Compton scattering of sub-mm photons off these relativistic electrons leads to power-law spectra in the X-ray-soft gamma ray range that are in excellent agreement with observational data.
Atoyan Armen M.
Nahapetian A.
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