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Correlated Spectral and Temporal Variability in the High-Energy Emission from Blazars

C. D. Dermer·H. Li·J. Chiang
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Abstract

Blazar flare data show energy-dependent lags and correlated variability between optical/X-ray and GeV-TeV energies, and follow characteristic trajectories when plotted in the spectral-index/flux plane. This behavior is qualitatively explained if nonthermal electrons are injected over a finite time interval in the comoving plasma frame and cool by radiative processes. Numerical results are presented which show the importance of the effects of synchrotron self-Compton cooling and plasmoid deceleration. The use of INTEGRAL to advance our understanding of these systems is discussed.

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C. D. Dermer, H. Li, J. Chiang. 1999-01-27. Correlated Spectral and Temporal Variability in the High-Energy Emission from Blazars. https://arxiv.org/abs/astro-ph/9901386

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