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Comments on: "Echoes from the abyss: Evidence for Planck-scale structure at black hole horizons"

MPS-Authors
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Capano,  Collin
Observational Relativity and Cosmology, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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Dent,  Thomas
Observational Relativity and Cosmology, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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Krishnan,  Badri
Astrophysical Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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Meadors,  Grant David
Astrophysical and Cosmological Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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Nielsen,  Alex B.
Astrophysical Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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1612.05625.pdf
(Preprint), 85KB

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Citation

Ashton, G., Birnholtz, O., Cabero, M., Capano, C., Dent, T., Krishnan, B., et al. (in preparation). Comments on: "Echoes from the abyss: Evidence for Planck-scale structure at black hole horizons".


Cite as: https://hdl.handle.net/11858/00-001M-0000-002C-59B3-7
Abstract
Recently, Abedi, Dykaar and Afshordi claimed evidence for a repeating damped
echo signal following the binary black hole merger gravitational-wave events
recorded in the first observational period of the Advanced LIGO
interferometers. We discuss the methods of data analysis and significance
estimation leading to this claim, and identify several important shortcomings.
We conclude that their analysis does not provide significant observational
evidence for the existence of Planck-scale structure at black hole horizons,
and suggest renewed analysis correcting for these shortcomings.