The quasinormal mode content of binary black hole ringdown
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arXiv
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866909849565003776 |
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| author | Dyer, Richard Moore, Christopher J. |
| author_facet | Dyer, Richard Moore, Christopher J. |
| contents | We present a fully Bayesian, data-driven framework for identifying quasinormal modes in high-accuracy Cauchy-Characteristic Evolution (CCE) gravitational waveforms. Applying this to a public catalog, we identify QNM overtones, retrograde modes, and nonlinear modes up to cubic order in the ringdown. The ringdown mode content is tabulated across a wide range of start times for all available simulations, providing a systematic reference for theoretical and observational studies. We also search for late-time power-law tails, which are, as expected, absent from the CCE waveforms. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2510_13954 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | The quasinormal mode content of binary black hole ringdown Dyer, Richard Moore, Christopher J. General Relativity and Quantum Cosmology High Energy Astrophysical Phenomena We present a fully Bayesian, data-driven framework for identifying quasinormal modes in high-accuracy Cauchy-Characteristic Evolution (CCE) gravitational waveforms. Applying this to a public catalog, we identify QNM overtones, retrograde modes, and nonlinear modes up to cubic order in the ringdown. The ringdown mode content is tabulated across a wide range of start times for all available simulations, providing a systematic reference for theoretical and observational studies. We also search for late-time power-law tails, which are, as expected, absent from the CCE waveforms. |
| title | The quasinormal mode content of binary black hole ringdown |
| topic | General Relativity and Quantum Cosmology High Energy Astrophysical Phenomena |
| url | https://arxiv.org/abs/2510.13954 |