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

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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 the understanding of these systems is discussed.

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8 p.

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Dermer, C.D.; Li, H. & Chiang, J. September 14, 1998.

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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 the understanding of these systems is discussed.

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8 p.

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OSTI as DE00758955

Medium: P; Size: 8 pages

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  • The Extreme Universe, 3rd Integral Workshop, Taoriminia (IT), 09/14/1998--09/18/1998

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  • Report No.: LA-UR-99-3099
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 758955
  • Archival Resource Key: ark:/67531/metadc707862

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  • September 14, 1998

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  • Sept. 12, 2015, 6:31 a.m.

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  • April 11, 2017, 3:55 p.m.

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Dermer, C.D.; Li, H. & Chiang, J. Correlated Spectral and Temporal Variability in the High-Energy Emission from Blazars, article, September 14, 1998; New Mexico. (digital.library.unt.edu/ark:/67531/metadc707862/: accessed January 17, 2019), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.