Journal
PHYSICAL REVIEW D
Volume 87, Issue 4, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.87.042001
Keywords
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Funding
- Einstein@Home volunteers
- Australian Research Council
- International Science Linkages program of the Commonwealth of Australia
- Council of Scientific and Industrial Research of India
- Istituto Nazionale di Fisica Nucleare of Italy
- Spanish Ministerio de Economia y Competitividad
- Conselleria d'Economia Hisenda i Innovacio of the Govern de les Illes Balears
- Foundation for Fundamental Research on Matter
- Netherlands Organisation for Scientific Research
- Polish Ministry of Science and Higher Education
- FOCUS Programme of Foundation for Polish Science
- Royal Society
- Scottish Funding Council
- Scottish Universities Physics Alliance
- National Aeronautics and Space Administration
- Carnegie Trust
- Leverhulme Trust
- David and Lucile Packard Foundation
- Research Corporation
- Alfred P. Sloan Foundation
- Science and Technology Facilities Council [ST/J000345/1 Gravitational Waves, ST/I006242/1, ST/J001538/1, ST/I006285/1, ST/I000887/1, ST/L000938/1, ST/I001026/1 Gravitational Waves, ST/L000954/1 Gravitational Waves, ST/H00243X/1, PP/F001118/1, ST/J000302/1 Gravitational Waves, ST/J000345/1, ST/J000019/1, ST/I000887/1 Gravitational Waves, ST/J000302/1, PP/F00110X/1, ST/J000361/1, ST/I006242/1 Gravitational Waves, ST/L000938/1 Gravitational Waves, ST/L000911/1, Gravitational Waves, ST/L000954/1, ST/L000911/1 Gravitational Waves, ST/J00135X/1] Funding Source: researchfish
- Direct For Mathematical & Physical Scien
- Division Of Physics [0969857, 0923409, 1040231, 0969820, 0854790, 1104902, 1205952, 1068549, 0905184] Funding Source: National Science Foundation
- Division Of Physics
- Direct For Mathematical & Physical Scien [1207010, 1205835, 1002585, 0855494, 0757058, 1204371] Funding Source: National Science Foundation
- Grants-in-Aid for Scientific Research [22740128, 10J02592] Funding Source: KAKEN
- STFC [PP/F001118/1, ST/J000302/1, ST/J000361/1, ST/I000887/1, ST/I006285/1, ST/L000911/1, PP/F00110X/1, Gravitational Waves, ST/J001538/1, ST/J00135X/1, ST/J000345/1, ST/J000019/1, ST/L000954/1, ST/I006242/1, ST/L000938/1] Funding Source: UKRI
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This paper presents results of an all-sky search for periodic gravitational waves in the frequency range [50, 1190] Hz and with frequency derivative range of similar to[-20, 1.1] x 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 h(0). For example, in the 0.5 Hz-wide band at 152.5 Hz, we can exclude the presence of signals with h(0) greater than 7.6 x 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.
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