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Modeling Gravitational Recoil Using Numerical Relativity
classification
🌀 gr-qc
astro-ph.COastro-ph.GAastro-ph.HE
keywords
recoilbinariesformulagravitationalmodelingsimulationsaccurateblack-hole
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We review the developments in modeling gravitational recoil from merging black-hole binaries and introduce a new set of 20 simulations to test our previously proposed empirical formula for the recoil. The configurations are chosen to represent generic binaries with unequal masses and precessing spins. Results of these simulations indicate that the recoil formula is accurate to within a few km/s in the similar mass-ratio regime for the out-of-plane recoil.
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Cited by 1 Pith paper
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Inference of recoil kicks from binary black hole mergers up to GWTC--4 and their astrophysical implications
Recoil kicks are inferred for GWTC-4 binary black hole events with values up to nearly 1000 km/s for some, yielding retention probabilities of 1-5% in globular clusters and 70-100% in elliptical galaxies.
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