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A practical formula for the radiated angular momentum

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arxiv gr-qc/0703061 v2 pith:SDCZWHVJ submitted 2007-03-09 gr-qc astro-ph

Carlos O. Lousto , Yosef Zlochower This is my paper · ORCID
classification gr-qcastro-ph
keywords angularmomentumradiatedformulaagreesalignedalongaxes
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We present a simple formula for the radiated angular momentum based on a spin-weighted spherical harmonic decomposition of the Weyl scalar psi_4 representing outgoing radiation in the Kinnersley tetrad. We test our formula by measuring the radiated angular momentum from three simulations of non-spinning equal-mass black-hole binary with orbital angular momentum aligned along the x, y, and z axes respectively. We find that the radiated angular momentum agrees with the differences in the remnant horizon spins and the initial angular momentum for each system.

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Cited by 2 Pith papers

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

  1. Kicking gravitational wave detectors with recoiling black holes

    gr-qc 2019-08 conditional novelty 6.0 of 10

    Equal-mass black holes spinning at 97% of the maximum, in the hangup-kick configuration, recoil up to about 4,700 km/s, and the corresponding waveforms are distinguishable with LIGO at signal-to-noise ratios near 30.

  2. Parameter Estimation with Targeted Eccentric Numerical-Relativity Simulations for GW200208_22 and GW190620

    gr-qc 2025-07 unverdicted novelty 5.0 of 10

    Bayesian parameter estimation with targeted eccentric numerical-relativity waveforms yields eccentricity estimates of e20 ≈ 0.2 for GW200208_22 and e10 ≈ 0.19 for GW190620, reinforcing the eccentric hypothesis.

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