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X-Ray and Gamma-Ray Emission in Blazars

  • Gabriele Ghisellini
Conference paper
Part of the International Astronomical Union book series (IAUS, volume 175)

Abstract

More than 50 sources have been detected by EGRET in 4 years of operations (e.g. von Montigny et al. 1995). Almost all of them show the violent characteristics typical of blazars, such as superluminal motions, strong radio emission mainly produced in a flat spectrum core and large amplitude variability at all frequencies. Interestingly, optical polarization does not seem to be required, since more than 1/3 of the detected sources are less than 3% polarized.

Keywords

Accretion Disk Spectral Energy Distribution Radiation Energy Density Comoving Frame High Energy Emission 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© International Astronomical Union 1996

Authors and Affiliations

  • Gabriele Ghisellini
    • 1
  1. 1.Osservatorio Astronomico di TorinoPino TorineseItaly

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