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

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arxiv gr-qc/0702052 v3 pith:LMPFBB5I submitted 2007-02-08 gr-qc

J. A. Gonzalez , M. D. Hannam , U. Sperhake , B. Brugmann , S. Husa This is my paper · ORCID
classification gr-qc
keywords kickbinariesbinaryblackblack-holecasemergerspredictions
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abstract

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 non-spinning 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 anti-aligned 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.

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Cited by 6 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Unified remnant models for aligned-spin, precessing, and eccentric binary black hole mergers

    gr-qc 2026-08 conditional novelty 6.0 of 10

    New analytic fits, gwModelRemS/P, predict remnant mass, spin, luminosity, and kick for black hole mergers from equal mass to q=1000, with a neural-flow model for precessing kicks.

  2. Accurate models for recoil velocity distribution in black hole mergers with comparable to extreme mass-ratios and their astrophysical implications

    gr-qc 2025-11 conditional novelty 6.0 of 10

    New analytic, GPR, and normalizing-flow kick models for black-hole mergers trained from q=1 to q≈200, with cluster-retention consequences.

  3. Black-hole - neutron-star mergers: new numerical-relativity simulations and multipolar effective-one-body model with spin precession and eccentricity

    gr-qc 2025-06 conditional novelty 6.0 of 10

    A new catalog of 52 numerical-relativity BHNS merger simulations is used to calibrate TEOBResumS-Dalí, an improved effective-one-body waveform model with multipolar ringdown, spin precession, and eccentricity.

  4. Surrogate models for precessing binary black hole simulations with unequal masses

    gr-qc 2019-05 unverdicted novelty 6.0 of 10

    New surrogate models NRSur7dq4 and RemnantModel accurately predict waveforms and remnant properties for precessing unequal-mass binary black holes up to q=4, outperforming existing models by an order of magnitude.

  5. Progenitor of the recoiling super-massive black hole RBH-1 identified using HST/JWST imaging

    astro-ph.HE 2026-01 conditional novelty 4.0 of 10

    The 954 km/s runaway speed of RBH-1 implies its progenitor was a precessing, nearly equal-mass binary with a rapidly spinning primary black hole.

  6. The Era of Precision in Computational Models of Gravitational Waves

    gr-qc 2026-07 accept novelty 2.0 of 10

    Numerical relativity solved the general-relativistic two-body problem in the mid-2000s, supplying the waveform models that enabled LIGO's first gravitational-wave detections.

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