Supermassive recoil velocities for binary black-hole mergers with antialigned spins

被引：276

作者：

Gonzalez, Jose A. ^{[1
]}

Hannam, Mark ^{[1
]}

Sperhake, Ulrich ^{[1
]}

Bruegmann, Bernd ^{[1
]}

Husa, Sascha ^{[1
]}

机构：

[1] Univ Jena, Inst Theoret Phys, D-07743 Jena, Germany

来源：

PHYSICAL REVIEW LETTERS | 2007年 / 98卷 / 23期

关键词：

D O I：

10.1103/PhysRevLett.98.231101

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Recent calculations of the recoil velocity in binary black-hole mergers have found the kick velocity to be of the order of a few hundred km/s in the case of nonspinning binaries and about 500 km/s in the case of spinning configurations, and have lead to predictions of a maximum kick of up to 1300 km/s. We test these predictions and demonstrate that kick velocities of at least 2500 km/s are possible for equal-mass binaries with antialigned spins in the orbital plane. Kicks of that magnitude are likely to have significant repercussions for models of black-hole formation, the population of intergalactic black holes, and the structure of host galaxies.

引用

页数：4

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