Constraining the Quadratic-mode Amplitude Coupling in GW250114

arXiv:2609.28953 · gr-qc, astro-ph.HE · Submitted 2026-09-24 · Read on arXiv

gr-qc, astro-ph.HE

Submitted: 2026-09-24

Updated: 2026-09-24

Terminology

• Bayesian Inference — 7× in this paper · explained in 5 episodes
• Information Gain — 7× in this paper · explained in 2 episodes
• Benchmark — 1× in this paper · explained in 2 episodes
• Consistency — 1× in this paper · explained in 3 episodes
• Robustness — 1× in this paper · explained in 5 episodes
• Signal-to-noise ratio (SNR) — 1× in this paper · explained in 2 episodes
• Systematic Bias — 1× in this paper · explained in 3 episodes

Sources

• GWTC-4.0: Updating the Gravitational-Wave Transient Catalog with Observations from the First Part of the Fourth LIGO-Virgo-KAGRA Observing Run
• GWTC-4.0: Tests of General Relativity. III. Tests of the Remnants
• GWTC-5.0: Population Properties of Merging Compact Binaries
• An intuition for physicists: information gain from experiments
• Analyzing black-hole ringdowns
• Revisiting the ringdown of GW150914
• First Overtone Mode in the Ringdown Signal of GW231028
• Detection of a Higher Harmonic Quasi-normal Mode in the Ringdown Signal of GW231123
• A nonlinear voice from GW250114 ringdown
• Contribution from Nonlinear Quasi-normal Modes in GW250114

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