Black hole spectroscopy in environments: detectability prospects

Fuente: arXiv
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Autores principales: Spieksma, Thomas F. M., Cardoso, Vitor, Carullo, Gregorio, Della Rocca, Matteo, Duque, Francisco
Formato: Preprint
Publicado: 2024
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author Spieksma, Thomas F. M.
Cardoso, Vitor
Carullo, Gregorio
Della Rocca, Matteo
Duque, Francisco
author_facet Spieksma, Thomas F. M.
Cardoso, Vitor
Carullo, Gregorio
Della Rocca, Matteo
Duque, Francisco
contents The ringdown phase following a binary black hole coalescence is a powerful tool for measuring properties of the remnant black hole. Future gravitational wave detectors will increase the precision of these measurements and may be sensitive to the environment surrounding the black hole. This work examines how environments affect the ringdown from a binary coalescence. Our analysis shows that for astrophysical parameters and sensitivity of planned detectors, the ringdown signal is indistinguishable from its vacuum counterpart, suggesting that ringdown-only analyses can reliably extract the (redshifted) mass and spin of the remnant black hole. These conclusions include models with spectral instabilities, suggesting that these are not relevant from an observational viewpoint. Deviations from inspiral-only estimates could then enhance the characterisation of environmental effects present during the coalescence.
format Preprint
id arxiv_https___arxiv_org_abs_2409_05950
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Black hole spectroscopy in environments: detectability prospects
Spieksma, Thomas F. M.
Cardoso, Vitor
Carullo, Gregorio
Della Rocca, Matteo
Duque, Francisco
General Relativity and Quantum Cosmology
Astrophysics of Galaxies
The ringdown phase following a binary black hole coalescence is a powerful tool for measuring properties of the remnant black hole. Future gravitational wave detectors will increase the precision of these measurements and may be sensitive to the environment surrounding the black hole. This work examines how environments affect the ringdown from a binary coalescence. Our analysis shows that for astrophysical parameters and sensitivity of planned detectors, the ringdown signal is indistinguishable from its vacuum counterpart, suggesting that ringdown-only analyses can reliably extract the (redshifted) mass and spin of the remnant black hole. These conclusions include models with spectral instabilities, suggesting that these are not relevant from an observational viewpoint. Deviations from inspiral-only estimates could then enhance the characterisation of environmental effects present during the coalescence.
title Black hole spectroscopy in environments: detectability prospects
topic General Relativity and Quantum Cosmology
Astrophysics of Galaxies
url https://arxiv.org/abs/2409.05950