Hot ion model for the X-ray spectra of active galactic nuclei

Details Hot ion model for the X-ray spectra of active galactic nuclei Hot ion model for the X-ray spectra of active galactic nuclei

Dec 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988apj...335l...5d&link_type=abstract

Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 335, Dec. 1, 1988, p. L5-L8.

Astronomy and Astrophysics

Astrophysics

10

Active Galactic Nuclei, Astronomical Models, X Ray Sources, X Ray Spectra, Bremsstrahlung, Compton Effect, Electron Plasma, Plasma Composition, Synchrotron Radiation

Scientific paper

A magnetized, two-temperature ion/electron plasma is analyzed under the assumption that the magnetic field energy density is in equipartition with the radiation energy density. Coulomb coupling is the primary heating source of the electrons, and pion production from ion collisions provides an important source of soft photons through synchrotron radiation from pion-decay positrons when the ion temperature exceeds about 20 MeV. The two-parameter (ion temperature and Thomson depth) model gives a range of X-ray spectral indices and compactnesses in reasonable agreement with observations, as recently summrized by Lightman and Zdziarski (1987).

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