| Project/Area Number |
22840010
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| Research Category |
Grant-in-Aid for Research Activity Start-up
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| Allocation Type | Single-year Grants |
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| Research Field |
Particle/Nuclear/Cosmic ray/Astro physics
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| Research Institution | The University of Tokyo |
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Principal Investigator |
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| Project Period (FY) |
2010 – 2011
|
| Project Status |
Completed (Fiscal Year 2011)
|
| Budget Amount *help |
¥3,120,000 (Direct Cost: ¥2,400,000、Indirect Cost: ¥720,000)
Fiscal Year 2011: ¥1,495,000 (Direct Cost: ¥1,150,000、Indirect Cost: ¥345,000)
Fiscal Year 2010: ¥1,625,000 (Direct Cost: ¥1,250,000、Indirect Cost: ¥375,000)
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| Keywords | 宇宙物理 / 一般相対論 / 重力波 / ブラックホール / 中性子星 / 連星 |
|---|
| Research Abstract |
Binary systems composed of a black hole and a neutron star cannot be in stationary state due to the emission of gravitational waves. There, however, exists a state which can be regarded as quasi-equilibrium, because the time-scale of the orbital decay is much longer than the orbital period. In this research program, we have developed a numerical code to construct relativistic black hole-neutron star binaries in quasi-equilibrium. In particular, we have found a method to include a rapidly spinning black hole in a black hole-neutron star binary.
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