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Paper: The Variations of X-ray/Gamma-Ray Emission from the Blazar H1426+428
Volume: 360, AGN Variability from X-Rays to Radio Waves
Page: 177
Authors: Fidelis, V.V.
Abstract: In 2002, with the aid of the air-Cerenkov telescope GT-48, an excess flux was detected at E > 1 TeV which was interpreted as emission from point source identified with the blazar H1426+428, a BL Lac type of Active Galactic Nucleus.

The source exhibited variations of intensity in the TeV band on a daily basis. Its variability is similar to that seen in light curves in the 2 -10 keV energy band, derived from ASM/RXTE quasi-simultaneous measurements. The correlated X-ray/TeV gamma-ray emission strongly supports the identification of the observed object and commonly accepted emission models in which both synchrotron and Inverse Compton components originate in the same region of the relativistic jet.

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