A new model for X-ray emission from NGC 4151

Details A new model for X-ray emission from NGC 4151 A new model for X-ray emission from NGC 4151

Jan 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978ap%26ss..53..231m&link_type=abstract

Astrophysics and Space Science, vol. 53, no. 1, Jan. 1978, p. 231-239.

Astronomy and Astrophysics

Astrophysics

5

Astronomical Models, Black Body Radiation, Galactic Radiation, Seyfert Galaxies, X Ray Sources, X Ray Spectra, Compton Effect, Electron Scattering, Galactic Nuclei, Infrared Radiation

Scientific paper

An analysis of the reported spectral features of NGC 4151 in X-rays is presented. It is shown that the origin of X-rays from the source is inconsistent with a single production mechanism. Consequently, a new two-component model is suggested in which soft X-rays arise from the black-body emission of a tiny hot nucleus of temperature about 20 million deg K and the hard X-ray photons are generated in an extended region by inverse Compton scattering of electrons with the infrared photons.

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