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Some Theoretical Studies of Two Gamma-Ray Blazars: PKS 0528+134 and Mrk 421

Published online by Cambridge University Press:  12 April 2016

S. J. Qian ,
X. Z. Zhang ,
A. Witzel ,
T. P. Krichbaum ,
S. Britzen  and
A. Kraus
S. J. Qian
Affiliation:
Beijing Astronomical Observatory, Beijing 100080, China
X. Z. Zhang
Affiliation:
Beijing Astronomical Observatory, Beijing 100080, China
A. Witzel
Affiliation:
Max-Planck Institut für Radioastronomie, Bonn, Germany
T. P. Krichbaum
Affiliation:
Max-Planck Institut für Radioastronomie, Bonn, Germany
S. Britzen
Affiliation:
Max-Planck Institut für Radioastronomie, Bonn, Germany
A. Kraus
Affiliation:
Max-Planck Institut für Radioastronomie, Bonn, Germany

Abstract

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The high energy gamma-ray flares observed in PKS 0528+134 are interpreted in terms of the external inverse Compton scattering (EICS) mechanism. The evolutional relationship between the gamma-ray flares and the associated mm-radio outbursts is investigated. The TeV/X-ray flare detected in May of 1994 from Mrk 421 is interpreted in terms of the SSC mechanism and it is shown that it may be due to the acceleration of relativistic electrons with an initially flat energy spectrum (N(E)∝E−s with s~1.5), rather than just a flattening of the high energy tail in the electron energy distribution of the source in the quiescent state.

Type
Research Article
Information
International Astronomical Union Colloquium , Volume 164: Radio Emission from Galactic and Extragalactic Compact Sources , 1998 , pp. 93 - 94
Copyright
Copyright © Astronomical Society of the Pacific 1998

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