A semicoherent glitch-robust continuous-gravitational-wave search method
A semicoherent glitch-robust continuous-gravitational-wave search method
Isolated nonaxisymmetric rotating neutron stars producing continuous-gravitational-wave signals may undergo occasional spin-up events known as glitches. If unmodeled by a search, these glitches can result in continuous wave signals being missed or misidentified as detector artifacts. We outline a semicoherent glitch-robust search method that allows identification of continuous wave signal candidates that contain glitches and inferences about the model parameters. We demonstrate how this can be applied to the follow-up of candidates found by wide-parameter space searches. We find that a Markov chain Monte Carlo method outperforms a grid-based method in speed and accuracy.
1-9
Ashton, Gregory
805bcbfd-ae8a-46b2-8297-f3142c3d0e7e
Prix, R.
96ea3047-4071-44f4-9a9f-e9e331c61421
Jones, David
b8f3e32c-d537-445a-a1e4-7436f472e160
20 September 2018
Ashton, Gregory
805bcbfd-ae8a-46b2-8297-f3142c3d0e7e
Prix, R.
96ea3047-4071-44f4-9a9f-e9e331c61421
Jones, David
b8f3e32c-d537-445a-a1e4-7436f472e160
Ashton, Gregory, Prix, R. and Jones, David
(2018)
A semicoherent glitch-robust continuous-gravitational-wave search method.
Physical Review D, 98 (6), , [063011].
(doi:10.1103/PhysRevD.98.063011).
Abstract
Isolated nonaxisymmetric rotating neutron stars producing continuous-gravitational-wave signals may undergo occasional spin-up events known as glitches. If unmodeled by a search, these glitches can result in continuous wave signals being missed or misidentified as detector artifacts. We outline a semicoherent glitch-robust search method that allows identification of continuous wave signal candidates that contain glitches and inferences about the model parameters. We demonstrate how this can be applied to the follow-up of candidates found by wide-parameter space searches. We find that a Markov chain Monte Carlo method outperforms a grid-based method in speed and accuracy.
Text
Phys Rev D. 98.063011
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Accepted/In Press date: 8 August 2018
e-pub ahead of print date: 20 September 2018
Published date: 20 September 2018
Identifiers
Local EPrints ID: 425522
URI: http://eprints.soton.ac.uk/id/eprint/425522
ISSN: 2470-0010
PURE UUID: 475bda76-a157-49d1-8338-592093c083c1
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Date deposited: 23 Oct 2018 16:30
Last modified: 16 Mar 2024 03:06
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R. Prix
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