X-ray variability of GeV gamma-ray emitting radio galaxy NGC 1275

12 Aug 2016 Fukazawa Yasushi Shiki Kensei Tanaka Yasuyuki Itoh Ryosuke Nagai Hiroshi

We analyzed Suzaku/XIS data of 2006--2015 observations of a gamma-ray emitting radio galaxy NGC 1275, and brightening of the nucleus in the X-ray band was found in 2013--2015, correlating with GeV Gamma-ray brightening. This is the first evidence of variability with correlation between GeV gamma-ray and X-ray for NGC 1275... (read more)

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  • HIGH ENERGY ASTROPHYSICAL PHENOMENA