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Aspects of multimode Kerr ring-down fitting
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A black hole that is ringing down to quiescence emits gravitational radiation of a very specific nature that can inform us of its mass and angular momentum, test the no-hair theorem for black holes, and perhaps even give us additional information about its progenitor system. This paper provides a detailed description of, and investigation into the behavior of, multimode fitting of the ring-down signal provided by numerical simulations. We find that there are at least three well-motivated multimode fitting schemes that can be used. These methods are tested against a specific numerical simulation to allow for comparison to prior work.
Forward citations
Cited by 2 Pith papers
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Self-force framework for merger-ringdown waveforms
A phase-space self-force framework is extended through the final plunge to produce merger-ringdown waveforms at leading geodesic order, with stationary-phase and quasinormal-mode approximations both failing near the p...
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Multimode ringdown modelling with $\texttt{qnmfits}$ and $\texttt{KerrRingdown}$
qnmfits and KerrRingdown are two independently written, cross-verified software packages for performing multimode ringdown fits to numerical relativity waveforms.
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