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2023

Comment on "Analysis of Ringdown Overtones in GW150914''

Isi, Maximiliano, Farr, Will M.

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Cotesta et al.

(2022) reanalyze the GW150914 ringdown, arguing against the presence of an overtone and suggesting claims of its detection in Isi et al.
(2019) were driven by noise.
Here we point out a number of technical errors in that analysis, including a software bug, and show that features highlighted as problematic are in fact expected and encountered in simulated data.

Comment on "Analysis of Ringdown Overtones in GW150914'' · Around

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M. Isi, M. Giesler, W. M. Farr, M. A. Scheel, and S. A. Teukolsky, Testing the no-hair theorem with GW150914, Phys. Rev. Lett. 123
Original
1905
Earlier work this paper cites.
R. Cotesta, G. Carullo, E. Berti, and V. Cardoso, Analysis of Ringdown Overtones in GW150914, Phys. Rev. Lett. 129
Original
2022
Earlier work this paper cites.

Similar

M. Isi and W. M. Farr, Revisiting the ringdown of GW150914, arXiv:2202.02941 [gr-qc] (2022)
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M. Isi and W. M. Farr, ringdown
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G. Carullo et al. , pyRing
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M. Isi and W. M. Farr, Analyzing black-hole ringdowns, arXiv:2107.05609 [gr-qc] (2021b)
Original
Cited in the paper.

Then

E. Finch and C. J. Moore, Searching for a ringdown overtone in GW150914, Phys. Rev. D 106
Original
2022
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