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  Detectability of the subdominant mode in a binary black hole ringdown

Bhagwat, S., Cabero, M., Capano, C., Krishnan, B., & Brown, D. A. (2020). Detectability of the subdominant mode in a binary black hole ringdown. Physical Review D, 102(2): 024023. doi:10.1103/PhysRevD.102.024023.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0005-4CFA-D Version Permalink: http://hdl.handle.net/21.11116/0000-0006-D021-9
Genre: Journal Article

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Bhagwat , Swetha, Author
Cabero, Miriam1, Author              
Capano, Collin1, Author              
Krishnan, Badri1, Author              
Brown , Duncan A., Author
Affiliations:
1Observational Relativity and Cosmology, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, ou_24011              

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Free keywords: General Relativity and Quantum Cosmology, gr-qc
 Abstract: The ringdown is the late part of the post-merger signature emitted during the coalescence of two black holes and comprises of a superposition of quasi-normal-modes. Within general relativity, because of the no-hair theorems, the frequencies and damping times of these modes are entirely determined by the mass and angular momentum of the final Kerr black hole. A detection of multiple ringdown modes would potentially allow us to test the no-hair theorem from observational data. The parameters which determine whether sub-dominant ringdown modes can be detected are primarily the overall signal-to-noise ratio present in the ringdown signal, and on the amplitude of the subdominant mode with respect to the dominant mode. In this paper, we use Bayesian inference to determine the detectability of a subdominant mode in a set of simulated analytical ringdown signals. Focusing on the design sensitivity of the Advanced LIGO detectors, we systematically vary the signal-to-noise ratio of the ringdown signal, and the mode amplitude ratio in order to determine what kind of signals are promising for performing black hole spectroscopy.

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 Dates: 2019-10-292019-10-3020202020
 Publication Status: Published in print
 Pages: 7 figures, 2 tables
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 Rev. Method: -
 Identifiers: arXiv: 1910.13203
URI: http://arxiv.org/abs/1910.13203
DOI: 10.1103/PhysRevD.102.024023
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Title: Physical Review D
  Other : Phys. Rev. D.
Source Genre: Journal
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Publ. Info: Lancaster, Pa. : American Physical Society
Pages: - Volume / Issue: 102 (2) Sequence Number: 024023 Start / End Page: - Identifier: ISSN: 0556-2821
CoNE: https://pure.mpg.de/cone/journals/resource/111088197762258