Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/51448
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Type: Journal article
Title: All-sky LIGO search for periodic gravitational waves in the early fifth-science-run data
Author: Abbott, B.
Abbott, R.
Adhikari, R.
Ajith, P.
Allen, B.
Allen, G.
Amin, R.
Anderson, S.
Anderson, W.
Arain, M.
Araya, M.
Armandula, H.
Armor, P.
Aso, Y.
Aston, S.
Aufmuth, P.
Aulbert, C.
Babak, S.
Baker, P.
Ballmer, S.
et al.
Citation: Physical Review Letters, 2009; 102(11):111102-01-111102-06
Publisher: American Physical Soc
Issue Date: 2009
ISSN: 0031-9007
1079-7114
Statement of
Responsibility: 
B. Abbott... D. J. Hosken... J. Munch... D. J. Ottaway... P. J. Veitch...et al. (LIGO Scientific Collaboration)
Abstract: We report on an all-sky search with the LIGO detectors for periodic gravitational waves in the frequency range 50–1100 Hz and with the frequency’s time derivative in the range -5×10⁻⁹–0  Hz s⁻¹. Data from the first eight months of the fifth LIGO science run (S5) have been used in this search, which is based on a semicoherent method (PowerFlux) of summing strain power. Observing no evidence of periodic gravitational radiation, we report 95% confidence-level upper limits on radiation emitted by any unknown isolated rotating neutron stars within the search range. Strain limits below 10⁻²⁴ are obtained over a 200-Hz band, and the sensitivity improvement over previous searches increases the spatial volume sampled by an average factor of about 100 over the entire search band. For a neutron star with nominal equatorial ellipticity of 10⁻⁶, the search is sensitive to distances as great as 500 pc.
Keywords: General Relativity and Quantum Cosmology (gr-qc); Astrophysics (astro-ph)
Rights: ©2009 American Physical Society
RMID: 0020090397
DOI: 10.1103/PhysRevLett.102.111102
Appears in Collections:Chemistry and Physics publications
Environment Institute publications

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