A jet model for the gamma-ray emitting blazar 3C 279

Details A jet model for the gamma-ray emitting blazar 3C 279 A jet model for the gamma-ray emitting blazar 3C 279

Sep 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992apj...397l...5m&link_type=abstract

Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 397, no. 1, p. L5-L9.

Astronomy and Astrophysics

Astronomy

490

Blazars, Gamma Ray Astronomy, Radio Jets (Astronomy), Astronomical Models, Compton Effect, Gamma Ray Spectra, Synchrotron Radiation, X Ray Spectra

Scientific paper

The physical conditions in the gamma-ray-emitting blazar 3C 279 are discussed. The requirement of transparency for gamma-rays, together with the observation of rapid variability, imply that the high-energy radiation is anisotropic. It is proposed that the gamma-rays are produced in a relativistic jet via the synchrotron self-Compton mechanism. The gamma-ray spectrum is the high-energy extension of the inverse Compton radiation responsible for the X-ray emission. It is softer than the X-ray spectrum, owing to upper cutoffs in the electron energy spectra along the jet. The same electrons are responsible for the low-frequency emission via synchrotron radiation. The expected correlation of variability at different frequencies is discussed.

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