| Budget Amount *help |
¥48,230,000 (Direct Cost: ¥37,100,000、Indirect Cost: ¥11,130,000)
Fiscal Year 2013: ¥13,910,000 (Direct Cost: ¥10,700,000、Indirect Cost: ¥3,210,000)
Fiscal Year 2012: ¥16,640,000 (Direct Cost: ¥12,800,000、Indirect Cost: ¥3,840,000)
Fiscal Year 2011: ¥17,680,000 (Direct Cost: ¥13,600,000、Indirect Cost: ¥4,080,000)
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| Research Abstract |
Through X-ray observations of mass-accreting black holes with the Suzaku satellite, and the MAXI experiment onboard the International Space Station, we obtained the following results. (1) We successfully reinforced the disk-corona view that describes emission from these objects when their accretion rate is relatively low. (2) Rapid spectral changes were detected from Cygnus X-1 as it displays spiky fast variations. (3) We discovered that the primary hard X-ray emission from Active Galactic Nuclei in fact consists of two distinct components, and revised previous view that regards the emission as a single component. (4) Comparing black holes with accreting neutron stars with weak magnetic fields, a unified description of thermal Comptonization process was constructed. (5) In collaboration with many domestic and foreign institutions, as well as industries, we developed the Soft Gamma-Ray Detector, to be put onboard ASTRO-H which is scheduled for lanch in 2015 as a successor to Suzaku.
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