Swift pointing and gravitational-wave bursts from gamma-ray burst events

Sutton, Patrick J. ORCID: https://orcid.org/0000-0003-1614-3922, Finn, Lee Samuel and Krishnan, Badri 2003. Swift pointing and gravitational-wave bursts from gamma-ray burst events. Classical and Quantum Gravity 20 (17) , S815-S820. 10.1088/0264-9381/20/17/324

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Abstract

The currently accepted model for gamma-ray burst phenomena involves the violent formation of a rapidly rotating solar-mass black hole. Gravitational waves should be associated with the black-hole formation, and their detection would permit this model to be tested. Even upper limits on the gravitational-wave strength associated with gamma-ray bursts could constrain the gamma-ray burst model. This requires joint observations of gamma-ray burst events with gravitational and gamma-ray detectors. Here we examine how the quality of an upper limit on the gravitational-wave strength associated with gamma-ray bursts depends on the relative orientation of the gamma-ray-burst and gravitational-wave detectors, and apply our results to the particular case of the Swift Burst-Alert Telescope (BAT) and the LIGO gravitational-wave detectors. A result of this investigation is a science-based 'figure of merit' that can be used, together with other mission constraints, to optimize the pointing of the Swift telescope for the detection of gravitational waves associated with gamma-ray bursts.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Physics and Astronomy
Subjects:	Q Science > QB Astronomy
Publisher:	IOPScience
ISSN:	0264-9381
Last Modified:	13 Jan 2023 03:21
URI:	https://orca.cardiff.ac.uk/id/eprint/35954

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