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Type: Journal article
Title: Egret spectral index and the low-energy peak position in the spectral energy distribution of egret-detected blazars
Author: Lin, Y. C.
Bertsch, D. L.
Bloom, S. D.
Esposito, J. A.
Hartman, R. C.
Hunter, S. D.
Kanbach, G.
Kniffen, D. A.
Mayer-Hasselwander, H. A.
Michelson, P. F.
Mukherjee, R.
Muecke, A.
Nolan, P. L.
Pohl, M.
Reimer, Olaf
Schneid, E. J.
Thompson, D. J.
Tompkins, W. F.
Citation: Astrophysical Journal, 1999; 525(1):191-194
Issue Date: 1999
ISSN: 0004-637X
Abstract: In current theoretical models of the blazar subclass of active galaxies, the broadband emission consists of two components: a low-frequency synchrotron component with a peak in the IR to X-ray band, and a high-frequency inverse Compton component with a peak in the gamma-ray band. In such models, the gamma-ray spectral index should be correlated with the location of the low-energy peak, with flatter gamma-ray spectra expected for blazars with synchrotron peaks at higher photon energies and vice versa. Using the EGRET-detected blazars as a sample, we examine this correlation and possible uncertainties in its construction.
Keywords: gamma rays: general; galaxies: active
Rights: © 1999. The American Astronomical Society
DOI: 10.1086/307897
Appears in Collections:Physics publications

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