Faster search for long gravitational-wave transients: GPU implementation of the transient F -statistic
Faster search for long gravitational-wave transients: GPU implementation of the transient F -statistic
The Equation or symbol description not available-statistic is an established method to search for continuous gravitational waves from spinning neutron stars. Prix et al (2011 Phys. Rev. D 84 023007) introduced a variant for transient, hours–months long, quasi-monochromatic signals. Possible astrophysical scenarios for such transients include glitching pulsars, newborn neutron stars and accreting systems. Here we present a new implementation of the transient Equation or symbol description not available-statistic, using Equation or symbol description not available to leverage the power of modern graphics processing units (GPUs). The obtained speedup allows efficient searches over much wider parameter spaces, especially when using more realistic transient signal models including time-varying (e.g. exponentially decaying) amplitudes. Hence, it can enable comprehensive coverage of glitches in known nearby pulsars, improve the follow-up of outliers from continuous-wave searches, and might be an important ingredient for future blind all-sky searches for unknown neutron stars.
Keitel, David
77eb34e0-e8a2-4728-aec4-66412b2ad081
Ashton, Gregory
a8cec4b1-3c98-4b28-af2a-1e37cb3b9f2a
25 October 2018
Keitel, David
77eb34e0-e8a2-4728-aec4-66412b2ad081
Ashton, Gregory
a8cec4b1-3c98-4b28-af2a-1e37cb3b9f2a
Keitel, David and Ashton, Gregory
(2018)
Faster search for long gravitational-wave transients: GPU implementation of the transient F -statistic.
Classical and Quantum Gravity, 35 (20).
(doi:10.1088/1361-6382/aade34).
Abstract
The Equation or symbol description not available-statistic is an established method to search for continuous gravitational waves from spinning neutron stars. Prix et al (2011 Phys. Rev. D 84 023007) introduced a variant for transient, hours–months long, quasi-monochromatic signals. Possible astrophysical scenarios for such transients include glitching pulsars, newborn neutron stars and accreting systems. Here we present a new implementation of the transient Equation or symbol description not available-statistic, using Equation or symbol description not available to leverage the power of modern graphics processing units (GPUs). The obtained speedup allows efficient searches over much wider parameter spaces, especially when using more realistic transient signal models including time-varying (e.g. exponentially decaying) amplitudes. Hence, it can enable comprehensive coverage of glitches in known nearby pulsars, improve the follow-up of outliers from continuous-wave searches, and might be an important ingredient for future blind all-sky searches for unknown neutron stars.
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Published date: 25 October 2018
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Local EPrints ID: 511165
URI: http://eprints.soton.ac.uk/id/eprint/511165
ISSN: 0264-9381
PURE UUID: a6d6e90b-0ca4-4f4d-a59f-b1433efa38f4
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Date deposited: 05 May 2026 17:24
Last modified: 06 May 2026 02:14
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Author:
David Keitel
Author:
Gregory Ashton
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