All-sky search for continuous gravitational waves from isolated neutron stars using Advanced LIGO and Advanced Virgo O3 data

Fairhurst, Stephen ORCID: https://orcid.org/0000-0001-8480-1961, Hannam, Mark ORCID: https://orcid.org/0000-0001-5571-325X, Grote, Hartmut ORCID: https://orcid.org/0000-0002-0797-3943, Dooley, Katherine ORCID: https://orcid.org/0000-0002-1636-0233, Kokeyama, Keiko ORCID: https://orcid.org/0000-0002-2896-1992, Antonini, Fabio ORCID: https://orcid.org/0000-0003-3138-6199, Raymond, Vivien ORCID: https://orcid.org/0000-0003-0066-0095 and Sutton, Patrick ORCID: https://orcid.org/0000-0003-1614-3922 2022. All-sky search for continuous gravitational waves from isolated neutron stars using Advanced LIGO and Advanced Virgo O3 data. Physical Review D 106 (10) 10.1103/PhysRevD.106.102008

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Abstract

We present results of an all-sky search for continuous gravitational waves which can be produced by spinning neutron stars with an asymmetry around their rotation axis, using data from the third observing run of the Advanced LIGO and Advanced Virgo detectors. Four different analysis methods are used to search in a gravitational-wave frequency band from 10 to 2048 Hz and a first frequency derivative from − 10 − 8 to 10 − 9     Hz / s . No statistically significant periodic gravitational-wave signal is observed by any of the four searches. As a result, upper limits on the gravitational-wave strain amplitude h 0 are calculated. The best upper limits are obtained in the frequency range of 100 to 200 Hz and they are ∼ 1.1 × 10 − 25 at 95% confidence level. The minimum upper limit of 1.10 × 10 − 25 is achieved at a frequency 111.5 Hz. We also place constraints on the rates and abundances of nearby planetary- and asteroid-mass primordial black holes that could give rise to continuous gravitational-wave signals.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Advanced Research Computing @ Cardiff (ARCCA) Physics and Astronomy
Subjects:	Q Science > QB Astronomy
Publisher:	American Physical Society
ISSN:	2470-0010
Date of First Compliant Deposit:	27 October 2023
Date of Acceptance:	17 October 2022
Last Modified:	17 Jun 2024 13:47
URI:	https://orca.cardiff.ac.uk/id/eprint/163304

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