Modeling gravitational recoil from precessing highly spinning unequal-mass black-hole binaries

2008/05/31 by Carlos O. Lousto, C. O. Loustó, Yosef Zlochower · 85 citations
Physics and Astronomy · #Accretion (finance) #Angular momentum #Astronomy #Astrophysical Phenomena and Observations #Astrophysics #Atomic physics #Binary black hole #Black hole (networking) #Classical mechanics #Condensed matter physics #Gamma-ray bursts and supernovae #Geometry #Gravitation #Gravitational wave #Orbital plane #Physics #Plane (geometry) #Precession #Pulsars and Gravitational Waves Research #Recoil #Rotating black hole #Spin (aerodynamics) #Spin-flip #Spins #astro-ph #gr-qc

paper · pdf · doi:10.1103/physrevd.79.064018

published in Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fields 79(6) (American Physical Society) · Published version. 15 pages, 11 figures, revtex 4

arxiv created 2009/03/18 · openalex publication_date 2009/03/18 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05

Abstract

We measure the gravitational recoil for unequal-mass black-hole binary mergers, with the larger black hole having intrinsic spin a/m^H=0.8, and the smaller black hole nonspinning. We choose our configurations such that, initially, the spins lie on the orbital plane. The spin and orbital plane precess significantly (we introduce a technique to identify the orbital plane at merger), and we find that the out-of plane recoil (i.e. the recoil perpendicular to the orbital plane around merger) varies as \ensuremathη²/(1+q), in agreement with our previous prediction, based on the post-Newtonian scaling.

Citations

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Cited by

• Intermediate-Mass-Ratio Black-Hole Binaries: Numerical Relativity Meets Perturbation Theory
• Search for sub-parsec massive binary black holes through line diagnosis
• Nonlinear gravitational recoil from the mergers of precessing black-hole binaries