Budget Amount *help |
¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000)
Fiscal Year 2013: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2012: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2011: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
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Research Abstract |
We performed unbiased extragalactic X-ray surveys with Monitor of All X-ray Image (MAXI) and published two X-ray catalogs, from which the most up-to-date luminosity function of active galactic nuclei (AGNs) in the local universe was derived. Suzaku follow-up observations of hard X-ray selected AGNs established the dependence of the torus structure on the AGN luminosity. Using the data of X-ray deep fields, we determined the number density of AGNs and the fraction of buried AGNs in the distant universe.
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