Astronomy and Astrophysics – Astronomy
Scientific paper
May 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984stin...8432338k&link_type=abstract
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Astronomy and Astrophysics
Astronomy
Active Galactic Nuclei, Distribution Functions, Electromagnetic Absorption, Electron Distribution, Electrons, Feedback, Positrons, Relativistic Plasmas, X Ray Spectra, Compton Effect, Electron-Positron Pairs, Gamma Rays, Pair Production, Photons, Synchrotron Radiation, X Ray Astronomy
Scientific paper
The effects of the feedback of e(+)-e(-) pair reinjection in a plasma due to photon-photon absorption of its own radiation was examined. Under the assumption of continuous electron injection with a power law spectrum E to the minus gamma power and Compton losses only, it is shown that for gamma 2 the steady state electron distribution function has a unique form independent of the primary injection spectrum. This electron distribution function can, by synchrotron emission, reproduce the general characteristics of the observed radio to optical active galactic nuclei spectra. Inverse Compton scattering of the synchrotron photons by the same electron distribution can account for their X-ray spectra, and also implies gamma ray emission from these objects. This result is invoked to account for the similarity of these spectra, and it is consistent with observations of the diffuse gamma ray background.
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