Abadie, J. and Abbott, B. P. and Adhikari, Rana X. and Ajith, P. and Anderson, S. B. and Arai, K. and Araya, M. C. and Betzwieser, J. and Billingsley, G. and Black, E. and Blackburn, J. K. and Bork, R. and Brooks, A. F. and Cepeda, C. and Chalermsongsak, T. and Chen, Y. and Corsi, A. and Coyne, D. C. and Dannenberg, R. and Daudert, B. and Dergachev, V. and DeSalvo, R. and Drever, R. W. P. and Driggers, J. C. and Ehrens, P. and Engel, R. and Etzel, T. and Fotopoulos, N. and Gustafson, E. K. and Hanna, C. and Harms, J. and Heefner, J. and Heptonstall, A. W. and Hodge, K. A. and Hong, T. and Ivanov, A. and Jacobson, M. and Kalmus, P. and Kells, W. and Keppel, D. G. and King, P. J. and Kondrashov, V. and Korth, W. Z. and Kozak, D. and Lazzarini, A. and Lindquist, P. E. and Luan, J. and Mageswaran, M. and Mailand, K. and Maros, E. and Marx, J. N. and McIntyre, G. and Meshkov, S. and Nash, T. and Ogin, G. H. and Osthelder, C. and Ott, C. D. and Patel, P. and Pedraza, M. and Phelps, M. and Price, L. R. and Privitera, S. and Robertson, N. A. and Sannibale, V. and Santamaría, L. and Searle, A. C. and Seifert, F. and Sengupta, A. S. and Singer, A. and Singer, L. and Smith, M. R. and Somiya, K. and Stochino, A. and Taylor, R. and Thorne, K. S. and Torrie, C. I. and Vallisneri, M. and Vass, S. and Villar, A. E. and Wallace, L. and Wen, L. and Whitcomb, S. E. and Willems, P. A. and Yamamoto, H. and Yang, H. and Yeaton-Massey, D. and Zhang, L. and Zweizig, J. and Weinstein, Alan J. (2012) All-sky search for periodic gravitational waves in the full S5 LIGO data. Physical Review D, 85 (2). Art. No. 022001. ISSN 2470-0010. doi:10.1103/PhysRevD.85.022001. https://resolver.caltech.edu/CaltechAUTHORS:20120206-151908677
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Abstract
We report on an all-sky search for periodic gravitational waves in the frequency band 50–800 Hz and with the frequency time derivative in the range of 0 through -6×10^(-9) Hz/s. Such a signal could be produced by a nearby spinning and slightly nonaxisymmetric isolated neutron star in our Galaxy. After recent improvements in the search program that yielded a 10× increase in computational efficiency, we have searched in two years of data collected during LIGO’s fifth science run and have obtained the most sensitive all-sky upper limits on gravitational-wave strain to date. Near 150 Hz our upper limit on worst-case linearly polarized strain amplitude h_0 is 1×10^(-24), while at the high end of our frequency range we achieve a worst-case upper limit of 3.8×10^(-24) for all polarizations and sky locations. These results constitute a factor of 2 improvement upon previously published data. A new detection pipeline utilizing a loosely coherent algorithm was able to follow up weaker outliers, increasing the volume of space where signals can be detected by a factor of 10, but has not revealed any gravitational-wave signals. The pipeline has been tested for robustness with respect to deviations from the model of an isolated neutron star, such as caused by a low-mass or long-period binary companion.
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| Additional Information: | © 2012 American Physical Society. Received 24 October 2011; published 5 January 2012. The authors gratefully acknowledge the support of the United States National Science Foundation for the construction and operation of the LIGO Laboratory, the Science and Technology Facilities Council of the United Kingdom, the Max-Planck-Society, the State of Niedersachsen/Germany for support of the construction and operation of the GEO600 detector, and the Italian Istituto Nazionale di Fisica Nucleare and the French Centre National de la Recherche Scientifique for the construction and operation of the Virgo detector. The authors also gratefully acknowledge the support of the research by these agencies and by the Australian Research Council, the International Science Linkages program of the Commonwealth of Australia, the Council of Scientific and Industrial Research of India, the Istituto Nazionale di Fisica Nucleare of Italy, the Spanish Ministerio de Educaciόn y Ciencia, the Conselleria d’Economia Hisenda i Innovaciό of the Govern de les Illes Balears, the Foundation for Fundamental Research on Matter supported by the Netherlands Organisation for Scientific Research, the Polish Ministry of Science and Higher Education, the FOCUS Programme of Foundation for Polish Science, the Royal Society, the Scottish Funding Council, the Scottish Universities Physics Alliance, The National Aeronautics and Space Administration, the Carnegie Trust, the Leverhulme Trust, the David and Lucile Packard Foundation, the Research Corporation, and the Alfred P. Sloan Foundation. This document has been assigned LIGO Laboratory Document No. LIGO-P1100029-v36. | ||||||||||||||||||||||||||||||||||||||||||||||||
| Group: | TAPIR, LIGO | ||||||||||||||||||||||||||||||||||||||||||||||||
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| Issue or Number: | 2 | ||||||||||||||||||||||||||||||||||||||||||||||||
| Classification Code: | PACS: 04.80.Nn, 95.55.Ym, 97.60.Gb, 07.05.Kf | ||||||||||||||||||||||||||||||||||||||||||||||||
| DOI: | 10.1103/PhysRevD.85.022001 | ||||||||||||||||||||||||||||||||||||||||||||||||
| Record Number: | CaltechAUTHORS:20120206-151908677 | ||||||||||||||||||||||||||||||||||||||||||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20120206-151908677 | ||||||||||||||||||||||||||||||||||||||||||||||||
| Official Citation: | Abadie, J., Abbott, B. P., Abbott, R., Abbott, T. D., Abernathy, M., Accadia, T., . . . The Virgo, C. (2012). All-sky search for periodic gravitational waves in the full S5 LIGO data. Physical Review D, 85(2), 022001. | ||||||||||||||||||||||||||||||||||||||||||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||||||||||||||||||||||||||||||||||||||||||||
| ID Code: | 29158 | ||||||||||||||||||||||||||||||||||||||||||||||||
| Collection: | CaltechAUTHORS | ||||||||||||||||||||||||||||||||||||||||||||||||
| Deposited By: | INVALID USER | ||||||||||||||||||||||||||||||||||||||||||||||||
| Deposited On: | 07 Feb 2012 20:55 | ||||||||||||||||||||||||||||||||||||||||||||||||
| Last Modified: | 09 Nov 2021 17:04 |
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