| Budget Amount *help |
¥3,276,000 (Direct Cost: ¥2,520,000、Indirect Cost: ¥756,000)
Fiscal Year 2009: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2008: ¥1,716,000 (Direct Cost: ¥1,320,000、Indirect Cost: ¥396,000)
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| Research Abstract |
Type Ia supernovae (SNe Ia) are thermonuclear explosions of a white dwarf. In this research, (1) I calculated nuclear reactions in SNe Ia and studied a role of type Ia as the origin of some elements in the Universe, and (2) provided an observational method to clarify how the thermonuclear sparks are ignited within a white dwarf. (3) Based on this prediction, I examined available observational data and showed that the ignition generally starts at an offset from the center of a white dwarf. (4) I further proved that this asymmetry is the origin of a mysterious diversity in SNe Ia. These results have various implications for the supernova cosmology. These provide breakthroughs in the related fields since these findings can solve several unresolved issues by a single, unified scenario.
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