High-spin binary black hole mergers

Pedro Marronetti; Wolfgang Tichy; Bernd Brügmann; Jose González; Ulrich Sperhake

doi:10.1103/PhysRevD.77.064010

paper

High-spin binary black hole mergers

arXiv:0709.2160 · doi:10.1103/PhysRevD.77.064010

Abstract

We study identical mass black hole binaries with spins perpendicular to the binary's orbital plane. These binaries have individual spins ranging from $s / m^{2} = - 0.90$ to 0.90, ( $s_{1} = s_{2}$ in all cases) which is near the limit possible with standard Bowen-York puncture initial data. The extreme cases correspond to the largest initial spin simulations to date. Our results expand the parameter space covered by Rezzolla {\it et al.} and, when combining both data sets, we obtain estimations for the minimum and maximum values for the intrinsic angular momenta of the remnant of binary black hole mergers of $J / M^{2} = 0.341 \pm 0.004$ and $0.951 \pm 0.004$ respectively. Note, however, that these values are reached through extrapolation to the singular cases $∣ s_{1} ∣ = ∣ s_{2} ∣ = 1$ and thus remain as {\it estimates} until full-fledged numerical simulations provide confirmation.

8 pages, 7 figures. Changed to match the version accepted for publication in PRD

High-spin binary black hole mergers

Abstract

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