期刊
PHYSICAL REVIEW D
卷 79, 期 12, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.79.124006
关键词
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资金
- DFG
- Sherman Fairchild Foundation
- NSF [PHY-0601459, PHY-0652995, PHY-090003]
- CIC [4.23]
- SEP Mexico
- CONACyT [79601]
- ILIAS Sixth Framework programme
We present the first numerical simulations of an initially nonspinning black-hole binary with mass ratio as large as 10:1 in full general relativity. The binary completes approximately three orbits prior to merger and radiates (0.415 +/- 0.017)% of the total energy and (12.48 +/- 0.62)% of the initial angular momentum in the form of gravitational waves. The single black hole resulting from the merger acquires a kick of (66.7 +/- 3.3) km/s relative to the original center of mass frame. The resulting gravitational waveforms are used to validate existing formulas for the recoil, final spin, and radiated energy over a wider range of the symmetric mass ratio parameter eta = M1M2/(M-1 + M-2)(2) than previously possible. The contributions of l > 2 multipoles are found to visibly influence the gravitational wave signal obtained at fixed inclination angles.
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