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X-ray Intraday Variability and Power Spectral Density Profiles of the Blazar 3C 273 with XMM-Newton during 2000-2021
G. S. Pavana Gowtami, Haritma Gaur, Alok C. Gupta +3
We present X-ray intraday variability and power spectral density (PSD) analyses of the longest 23 pointed XMM-Newton observations of the blazar 3C 273 that were taken during 2000 -…
Multi-band Variability of the TeV Blazar PG 1553+113 with XMM-Newton
Vinit Dhiman, Alok C. Gupta, Haritma Gaur +1
We present variability analyses of twenty pointed XMM-Newton observations of the high energy peaked TeV blazar PG 1553+113 taken during 2010 to 2018. We found intraday variability…
Breaks in the X-ray spectra of high redshift blazars and the intervening medium
Haritma Gaur, Prashanth Mohan, Ashwani Pandey
The flat spectrum radio quasars (FSRQs) are a sub-class of blazars characterised by prominent optical emission lines and a collimated large-scale jet along the observer line of sig…
X-ray Intraday Variability of the TeV Blazar PKS 2155-304 with Suzaku During 2005-2014
Zhongli Zhang, Alok C. Gupta, Haritma Gaur +5
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 th…