Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/69676
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Type: Journal article
Title: Directional limits on persistent gravitational waves using LIGO S5 science data
Author: Abadie, J.
Hosken, D.
Munch, J.
Ottaway, D.
Veitch, P.
Citation: Physical Review Letters, 2011; 107(27):1-9
Publisher: American Physical Soc
Issue Date: 2011
ISSN: 0031-9007
1079-7114
Statement of
Responsibility: 
J. Abadie... D. J. Hosken... J. Munch... D. J. Ottaway... P. J. Veitch... et al., (LIGO Scientific Collaboration), (Virgo Collaboration)
Abstract: The 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.
Keywords: LIGO Scientific Collaboration; Virgo Collaboration
Rights: ©2011 American Physical Society
RMID: 0020115877
DOI: 10.1103/PhysRevLett.107.271102
Appears in Collections:IPAS publications
Environment Institute publications

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