SIMBAD references

1999ApJ...525..191L - Astrophys. J., 525, 191-194 (1999/November-1)

EGRET spectral index and the low-energy peak position in the spectral energy distribution of EGRET-detected blazars.

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., MUCKE A., NOLAN P.L., POHL M., REIMER O., SCHNEID E.J., THOMPSON D.J.A. and TOMPKINS W.F.

Abstract (from CDS):

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.

Abstract Copyright:

Journal keyword(s): Galaxies: Active - Gamma Rays: Theory - Radiation Mechanisms: Nonthermal - X-Rays: Galaxies

Simbad objects: 27

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