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Data-oriented Diagnostics of Pileup Effects on the Suzaku XIS
Shin'ya Yamada, Hideki Uchiyama, Tadayasu Dotani +11
We present the result of a systematic study of pileup phenomena seen in the X-ray Imaging Spectrometer, an X-ray CCD instrument, onboard the Suzaku observatory. Using a data set of…
Spatial and Temporal Variations of the Diffuse Iron 6.4 keV Line in the Galactic Center Region
D. O. Chernyshov, V. A. Dogiel, M. Nobukawa +4
We analyze the diffuse Fe I K-alpha line generated in the diffuse interstellar molecular hydrogen by primary photons or subrelativistic protons injected by Sagittarius (Sgr) A*. We…
Global Distribution of Fe K alpha Lines in the Galactic Center Region Observed with the Suzaku Satellite
Hideki Uchiyama, Masayoshi Nobukawa, Takeshi Go Tsuru +2
We have surveyed spatial profiles of the Fe K lines in the Galactic center diffuse X-rays (GCDX), including the transient region from the GCDX to the Galactic ridge X-ray emissi…
No X-Ray Excess from the HESS J1741-302 Region except a New Intermediate Polar Candidate
Hideki Uchiyama, Katsuji Koyama, Hironori Matsumoto +3
With the Suzaku satellite, we observed an unidentified TeV gamma-ray source HESS J1741302 and its surroundings. No diffuse or point-like X-ray sources are detected from the brig…