| Budget Amount *help |
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2019: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2018: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2017: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2016: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
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| Outline of Final Research Achievements |
We analyze data of the Perseus cluster observed with the Hitomi X-ray satellite. The Perseus cluster is the brightest cluster in the sky, and a suitable target to study feedback from galaxies in the Perseus cluster. We studied the velocity structure, temperature, and metal abundance of the hot gas in the central region of the Perseus cluster of galaxies.
Suzaku has a low background and can detect low surface brightness emission of hot gas in the outer part of the clusters of galaxies. We measured the temperature, density, and Fe abundance of the intracluster medium up to the virial radius of the clusters and groups of galaxies. We studied the entropy, pressure, and density fluctuations in the cluster gas. We discuss the initial mass function of stars in cluster galaxies by determining the total mass of heavy elements.
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