Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/48817
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Type: Journal article
Title: First all-sky upper limits from LIGO on the strength of periodic gravitational waves using the Hough transform
Author: Abbott, B.
Abbott, R.
Adhikari, R.
Ageev, A.
Agresti, J.
Allen, B.
Allen, G.
Amin, R.
Anderson, S.
Anderson, W.
Araya, M.
Armandula, H.
Ashley, M.
Asiri, F.
Aufmuth, P.
Aulbert, C.
Babak, S.
Balasubramanian, R.
Ballmer, S.
Barish, B.
et al.
Citation: Physical Review. D. Particles, Fields, Gravitation and Cosmology, 2005; 72(10):102004-1-102004-22
Publisher: American Physical Soc
Issue Date: 2005
ISSN: 1550-7998
1550-2368
Statement of
Responsibility: 
B. Abbott...C. Killow...D. Ottaway...et al., LIGO Scientific Collaboration
Abstract: We perform a wide parameter-space search for continuous gravitational waves over the whole sky and over a large range of values of the frequency and the first spin-down parameter. Our search method is based on the Hough transform, which is a semicoherent, computationally efficient, and robust pattern recognition technique. We apply this technique to data from the second science run of the LIGO detectors and our final results are all-sky upper limits on the strength of gravitational waves emitted by unknown isolated spinning neutron stars on a set of narrow frequency bands in the range 200–400   Hz. The best upper limit on the gravitational-wave strain amplitude that we obtain in this frequency range is 4.43×10-²³.
Rights: ©2005 American Physical Society
RMID: 0020083080
DOI: 10.1103/PhysRevD.72.102004
Appears in Collections:Physics publications

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