Final spin from the coalescence of two black holes

被引:164
作者
Rezzolla, Luciano [1 ,2 ]
Barausse, Enrico [3 ,4 ]
Dorband, Ernst Nils [1 ]
Pollney, Denis [1 ]
Reisswig, Christian [1 ]
Seiler, Jennifer [1 ]
Husa, Sascha [1 ]
机构
[1] Albert Einstein Inst, Max Planck Inst Gravitationsphys, Potsdam Golm, Germany
[2] Louisiana State Univ, Dept Phys & Astron, Baton Rouge, LA 70803 USA
[3] Scuola Int Super Studi Avanzati, SISSA, I-34014 Trieste, Italy
[4] Ist Nazl Fis Nucl, I-34014 Trieste, Italy
来源
PHYSICAL REVIEW D | 2008年 / 78卷 / 04期
关键词
D O I
10.1103/PhysRevD.78.044002
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We provide a compact analytic formula to Compute the spin of the black hole produced by the coalescence of two black holes following a quasicircular inspiral. Without additional fits than those already available for binaries with aligned or antialigned spins, but with a minimal set of assumptions, we derive an expression that can model generic initial spin configurations and mass ratios, thus covering all of the 7-dimensional space of parameters. A comparison with Simulations already shows very accurate agreements with all of the numerical data available to date, but we also suo-est a number of ways in which Our predictions can be further improved.
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页数:6
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