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Origin of the Hard X-ray Emission from the Galactic Plane
Ken Ebisawa, Yoshitomo Maeda, Hidehiro Kaneda +1
The Galactic plane is a strong hard x-ray emitter and the emission forms a narrow continuous ridge. The currently known hard x-ray sources are far too few to explain the ridge x-ra…
Accretion Disk Spectra of the Ultra-luminous Compact X-ray Sources in Nearby Galaxies and the Super-luminal Jet Sources
Ken Ebisawa, Aya Kubota, Tsunefumi Mizuno +1
The Ultra-luminous Compact X-ray Sources (ULXs) in nearby spiral galaxies and the Galactic super-luminal jet sources share the common spectral characteristic that they have extreme…
Observational Evidence for Strong Disk Comptonization in GRO J1655-40
Aya Kubota, Kazuo Makishima, Ken Ebisawa
Analysis was made of the multiple XTE/PCA data on the promised black hole candidate with superluminal jet, GRO J1655-40, acquired during its 1996--1997 outburst. The X-ray spectra…
Application of a relativistic accretion disc model to X-ray spectra of LMC X-1 and GRO J1655-40
Marek Gierlinski, Andrzej Maciolek-Niedzwiecki, Ken Ebisawa
We present a general relativistic accretion disc model and its application to the soft-state X-ray spectra of black hole binaries. The model assumes a flat, optically thick disc ar…