2008
DOI: 10.1103/physrevd.77.022001
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All-sky search for periodic gravitational waves in LIGO S4 data

Abstract: We report on an all-sky search with the LIGO detectors for periodic gravitational waves in the frequency range 50 -1000 Hz and with the frequency's time derivative in the range ÿ1 10 ÿ8 Hz s ÿ1 to zero. Data from the fourth LIGO science run (S4) have been used in this search. Three different semicoherent methods of transforming and summing strain power from short Fourier transforms (SFTs) of the calibrated data have been used. The first, known as StackSlide, averages normalized power from each SFT. A ''weighte… Show more

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Cited by 143 publications
(199 citation statements)
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References 30 publications
(53 reference statements)
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“…A number of all-sky searches have been carried out on initial LIGO data, [2][3][4][5][6][7][8][9][10][11][12][13][14][15], of which [2,3,7,9,14] also ran on Einstein@Home. Einstein@Home is a distributed computing project which uses the idle time of computers volunteered by the general public to search for GWs.…”
Section: Introductionmentioning
confidence: 99%
“…A number of all-sky searches have been carried out on initial LIGO data, [2][3][4][5][6][7][8][9][10][11][12][13][14][15], of which [2,3,7,9,14] also ran on Einstein@Home. Einstein@Home is a distributed computing project which uses the idle time of computers volunteered by the general public to search for GWs.…”
Section: Introductionmentioning
confidence: 99%
“…These searches use the same search algorithms, are fully coherent and are ongoing using data from more recent (and therefore more sensitive) runs. Additional continuous wave searches using incoherent techniques are also being performed on LIGO data [16,17].…”
Section: B Previous Resultsmentioning
confidence: 99%
“…Also different types of qualitative follow-up tests were performed on each of the coincident outliers. As described in [5], no evidence for a periodic gravitational wave signal was observed in any of the searches and upper limits on sources were determined.…”
Section: Summary Of Resultsmentioning
confidence: 99%
“…Isolated neutron stars in our galaxy were the prime target. For further details on the analysis and discussions we refer the reader to [5].…”
Section: Introductionmentioning
confidence: 99%