X-ray Intraday Variability of the TeV Blazar PKS 2155-304 with Suzaku During 2005-2014
Zhongli Zhang,
Alok C. Gupta,
Haritma Gaur
et al.
Abstract:We have examined 13 pointed observations of the TeV emitting high synchrotron peak blazar PKS 2155−304, taken by the Suzaku satellite throughout its operational period. We found that the blazar showed large-amplitude intraday variabilities in the soft (0.8 -1.5 keV) and the hard (1.5 -8.0 keV) bands in the light curves. Spectral variability on intraday timescales is estimated using the hardness ratio. The blazar usually becomes harder when brighter and vice versa, following the typical behavior of high synchro… Show more
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