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Detection of the hard X-ray non-thermal emission from Kepler's supernova remnant

Katsuda, Satoru; Terada, Yukikatsu; Bamba, Aya +1 more

We report the first robust detection of the hard X-ray emission in the 15-30 keV band from Kepler's supernova remnant with the silicon PIN-type semiconductor detector of the hard X-ray detector (HXD-PIN) onboard Suzaku. The detection significance is 7.17σ for the emission from Kepler's entire X-ray emitting region. The energy spectrum is found to …