| Budget Amount *help |
¥4,940,000 (Direct Cost: ¥3,800,000、Indirect Cost: ¥1,140,000)
Fiscal Year 2016: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2015: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2014: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2013: ¥2,990,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥690,000)
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| Outline of Final Research Achievements |
I investigated the timescale of Jupiter formation in the case that protoplanets are formed in a particular zone in a protoplanetary nebula. It was found that the timescale is shorter than the standard scenario in which protoplanets are formed uniformed in the nebula. The gas-rich nature of Jupiter can be explained because the timescale is comparable to the lifetime of a protoplanetary nebula. In addition, I found that the formation location is different from that shown in a previous study. I investigated parameter dependence of mass of the Jupiter's core. I found that the peak of the gas surface density distribution should exceed a critical value, otherwise a Jupiter's core cannot be formed.
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