Compton scattering model for the gamma ray emission of NGC 4151

Details Compton scattering model for the gamma ray emission of NGC 4151 Compton scattering model for the gamma ray emission of NGC 4151

Nov 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979icrc....1..165p&link_type=abstract

16th International Cosmic Ray Conference, Vol. 1. Published by the Institute for Cosmic Ray Research, University of Tokyo, 3-2-1

Astronomy and Astrophysics

Astronomy

Compton Effect, Gamma Ray Astronomy, Seyfert Galaxies, Electron Scattering, Gamma Ray Spectra, Variability, X Ray Sources

Scientific paper

It is shown that electron lifetimes against Compton losses in NGC 4151 are 2-3 weeks and thus sufficiently large to allow burst-like injection of electrons. Electron pile-up accurately explains the observed gamma ray spectrum and cut-off. The total energy content of the burst must then have been of the order of 10 to the 51st power ergs. If this model is correct, the gamma ray spectrum must be highly time variable.

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