The Relation between Gamma-Ray and Near-Infrared Radiation in Gamma-Ray--loud Blazars

Details The Relation between Gamma-Ray and Near-Infrared Radiation in Gamma-Ray--loud Blazars The Relation between Gamma-Ray and Near-Infrared Radiation in Gamma-Ray--loud Blazars

Mar 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997apj...477..114x&link_type=abstract

Astrophysical Journal v.477, p.114

Astronomy and Astrophysics

Astronomy

32

Galaxies: Bl Lacertae Objects: General, Gamma Rays: Observations, Galaxies: Quasars: General, Radiation Mechanisms: Nonthermal

Scientific paper

We collect 16 gamma-ray--loud blazars (seven BL Lac objects and nine flat-spectrum radio quasars) with both observed near-infrared and gamma-ray flux densities and find that the near-IR luminosity correlates better with gamma-ray luminosity than with X-ray. Possible constraints on the gamma-ray emission mechanism are discussed. We suggest that the gamma-ray radiation is probably created by inverse Compton scattering of the radiation from hot circumnuclear dust by beamed, ultrarelativistic electrons.

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