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Searches for continuous gravitational waves from 15 supernova remnants and fomalhaut b with advanced LIGO

Searches for continuous gravitational waves from 15 supernova remnants and fomalhaut b with advanced LIGO
Searches for continuous gravitational waves from 15 supernova remnants and fomalhaut b with advanced LIGO
We describe directed searches for continuous gravitational waves (GWs) from 16 well-localized candidate neutron stars, assuming none of the stars has a binary companion. The searches were directed toward 15 supernova remnants and Fomalhaut b, a directly imaged extrasolar planet candidate that has been suggested to be a nearby old neutron star. Each search covered a broad band of frequencies and first and second time derivatives. After coherently integrating spans of data from the first Advanced LIGO observing run of 3.5–53.7 days per search, applying data-based vetoes, and discounting known instrumental artifacts, we found no astrophysical signals. We set upper limits on intrinsic GW strain as strict as 1 × 10−25, fiducial neutron star ellipticity as strict as 2 × 10−9, and fiducial r-mode amplitude as strict as 3 × 10−8.
0004-637X
1-15
Abbott, B.P.
20b32f53-5355-40eb-9d69-91c95d56e693
Abbott, R.
ceb7bd1e-f214-46dd-9972-a194692a86aa
Abbott, T.D.
40955bf8-1011-46ab-a787-34050875d7fe
Jones, David
b8f3e32c-d537-445a-a1e4-7436f472e160
et al.
LIGO Scientific Collaboration and the Virgo Collaboration
Abbott, B.P.
20b32f53-5355-40eb-9d69-91c95d56e693
Abbott, R.
ceb7bd1e-f214-46dd-9972-a194692a86aa
Abbott, T.D.
40955bf8-1011-46ab-a787-34050875d7fe
Jones, David
b8f3e32c-d537-445a-a1e4-7436f472e160

Abbott, B.P., Abbott, R., Abbott, T.D. and Jones, David , et al. and LIGO Scientific Collaboration and the Virgo Collaboration (2019) Searches for continuous gravitational waves from 15 supernova remnants and fomalhaut b with advanced LIGO. The Astrophysical Journal, 875 (2), 1-15. (doi:10.3847/1538-4357/ab113b).

Record type: Article

Abstract

We describe directed searches for continuous gravitational waves (GWs) from 16 well-localized candidate neutron stars, assuming none of the stars has a binary companion. The searches were directed toward 15 supernova remnants and Fomalhaut b, a directly imaged extrasolar planet candidate that has been suggested to be a nearby old neutron star. Each search covered a broad band of frequencies and first and second time derivatives. After coherently integrating spans of data from the first Advanced LIGO observing run of 3.5–53.7 days per search, applying data-based vetoes, and discounting known instrumental artifacts, we found no astrophysical signals. We set upper limits on intrinsic GW strain as strict as 1 × 10−25, fiducial neutron star ellipticity as strict as 2 × 10−9, and fiducial r-mode amplitude as strict as 3 × 10−8.

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More information

Accepted/In Press date: 18 March 2019
e-pub ahead of print date: 23 April 2019

Identifiers

Local EPrints ID: 433319
URI: http://eprints.soton.ac.uk/id/eprint/433319
ISSN: 0004-637X
PURE UUID: 6dfe68cf-f68b-4120-b8e7-444d01a43524
ORCID for David Jones: ORCID iD orcid.org/0000-0002-0117-7567

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Date deposited: 14 Aug 2019 16:30
Last modified: 17 Dec 2019 01:54

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Contributors

Author: B.P. Abbott
Author: R. Abbott
Author: T.D. Abbott
Author: David Jones ORCID iD

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