Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/78458
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Type: Journal article
Title: Einstein@Home all-sky search for periodic gravitational waves in LIGO S5 data
Author: Munch, J.
Ottaway, D.
Veitch, P.
Citation: Physical Review. D. Particles, Fields, Gravitation and Cosmology, 2013; 87(4):1-29
Publisher: American Physical Soc
Issue Date: 2013
ISSN: 1550-7998
1550-2368
Statement of
Responsibility: 
J. Aasi ... J. Munch ... D. J. Ottaway ... P. J. Veitch ... et al. (The LIGO Scientific Collaboration and the Virgo Collaboration)
Abstract: This paper presents results of an all-sky search for periodic gravitational waves in the frequency range [50,1 190]  Hz and with frequency derivative range of ∼[-20,1.1]×10⁻¹⁰  Hz s⁻¹ for the fifth LIGO science run (S5). The search uses a noncoherent Hough-transform method to combine the information from coherent searches on time scales of about one day. Because these searches are very computationally intensive, they have been carried out with the Einstein@Home volunteer distributed computing project. Postprocessing identifies eight candidate signals; deeper follow-up studies rule them out. Hence, since no gravitational wave signals have been found, we report upper limits on the intrinsic gravitational wave strain amplitude h₀. For example, in the 0.5 Hz-wide band at 152.5 Hz, we can exclude the presence of signals with h₀ greater than 7.6×10⁻²⁵ at a 90% confidence level. This search is about a factor 3 more sensitive than the previous Einstein@Home search of early S5 LIGO data.
Rights: Published by the American Physical Society under the terms of the Creative Commons Attribution 3.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI.
RMID: 0020125709
DOI: 10.1103/PhysRevD.87.042001
Appears in Collections:IPAS publications
Environment Institute publications

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