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Modeling gravitational recoil from precessing highly-spinning unequal-mass black-hole binaries
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Modeling gravitational recoil from precessing highly-spinning unequal-mass black-hole binaries
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We measure the gravitational recoil for unequal-mass-black- hole-binary mergers, with the larger BH having spin a/m^H=0.8, and the smaller BH non-spinning. We choose our configurations such that, initially, the spins lie on the orbital plane. The spin and orbital plane precess significantly, and we find that the out-of plane recoil (i.e. the recoil perpendicular to the orbital plane around merger) varies as \eta^2 / (1+q), in agreement with our previous prediction, based on the post-Newtonian scaling.
Forward citations
Cited by 2 Pith papers
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GW190711_030756 and GW200114_020818: astrophysical interpretation of two asymmetric binary black hole mergers in the IAS catalog
Two asymmetric BBH mergers are characterized with mass ratios 0.35 and ≤0.20; one shows high spins, negative χ_eff, and strong precession, suggesting an emerging population of massive rapidly spinning systems.
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