Directional limits on persistent gravitational waves using LIGO S5 science data

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dc.contributor.authorAbadie, J.
dc.contributor.authorHosken, D.
dc.contributor.authorMunch, J.
dc.contributor.authorOttaway, D.
dc.contributor.authorVeitch, P.
dc.date.issued2011
dc.description.abstractThe gravitational-wave (GW) sky may include nearby pointlike sources as well as stochastic backgrounds. We perform two directional searches for persistent GWs using data from the LIGO S5 science run: one optimized for pointlike sources and one for arbitrary extended sources. Finding no evidence to support the detection of GWs, we present 90% confidence level (C.L.) upper-limit maps of GW strain power with typical values between 2-20×10⁻⁵⁰  strain² Hz⁻¹ and 5-35×10⁻⁴⁹  strain² Hz⁻¹ sr⁻¹ for pointlike and extended sources, respectively. The latter result is the first of its kind. We also set 90% C.L. limits on the narrow-band root-mean-square GW strain from interesting targets including Sco X-1, SN 1987A and the Galactic center as low as ≈7×10⁻²⁵ in the most sensitive frequency range near 160 Hz.
dc.description.statementofresponsibilityJ. Abadie... D. J. Hosken... J. Munch... D. J. Ottaway... P. J. Veitch... et al., (LIGO Scientific Collaboration), (Virgo Collaboration)
dc.identifier.citationPhysical Review Letters, 2011; 107(27):1-9
dc.identifier.doi10.1103/PhysRevLett.107.271102
dc.identifier.issn0031-9007
dc.identifier.issn1079-7114
dc.identifier.orcidOttaway, D. [0000-0001-6794-1591]
dc.identifier.orcidVeitch, P. [0000-0002-2597-435X]
dc.identifier.urihttp://hdl.handle.net/2440/69676
dc.language.isoen
dc.publisherAmerican Physical Soc
dc.relation.grantARC
dc.rights©2011 American Physical Society
dc.source.urihttps://doi.org/10.1103/physrevlett.107.271102
dc.subjectLIGO Scientific Collaboration
dc.subjectVirgo Collaboration
dc.titleDirectional limits on persistent gravitational waves using LIGO S5 science data
dc.typeJournal article
pubs.publication-statusPublished

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