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arXiv · 2010.07663

Searching for gravitational wave echoes in GWTC-1 and O3 events

Yu-Tong Wang·Yun-Song Piao
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Abstract

Gravitational wave (GW) echoes, if they exist, would be a probe to the near-horizon physics of black hole. In this brief report, we performed the Monte Carlo Markov Chain analysis to search for echo signal in all GWTC-1 and O3 GW events. We focus on the Insprial-Merger-Ringdown-Echo (IMRE) waveform, and apply the Bayesian model selection to compare the IMRE result with IMR's (no echo). We find no statistically significant ($<1\sigma$ combined) evidence for the GW echoes and only individual GW events with the echoes at $1\sim 2\sigma$ significance.

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Yu-Tong Wang, Yun-Song Piao. 2020-10-15. Searching for gravitational wave echoes in GWTC-1 and O3 events. https://arxiv.org/abs/2010.07663

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