Aasi, J. and Abadie, J. and Abbott, B. P. and Abbott, R. and Adhikari, R. and Ajith, P. and Anderson, S. B. and Arai, K. and Araya, M. C. and Barayoga, J. C. B. 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 Daudert, B. and Dergachev, V. and Doravari, S. and Driggers, J. C. and Ehrens, P. and Engel, R. and Etzel, T. and Fotopoulos, N. and Gustafson, E. K. and Hanna, C. and Heefner, J. and Heptonstall, A. W. and Hodge, K. A. and Hong, T. and Ivanov, A. and Jacobson, M. and James, E. and Kalmus, P. and Kaufman, K. 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 Litvine, V. and Mageswaran, M. and Mailand, K. and Maros, E. and Marx, J. N. and McIntyre, G. and Meshkov, S. and Miao, H. and Nash, T. and Ogin, G. H. and Osthelder, C. and Ott, C. D. and Pedraza, M. and Phelps, M. and Poux, C. and Price, L. R. and Privitera, S. and Reitze, D. H. and Robertson, N. A. and Rollins, J. G. and Sannibale, V. and Santamaría, L. and Seifert, F. 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 Vass, S. and Villar, A. E. and Wallace, L. and Weinstein, A. J. and Wen, L. and Whitcomb, S. E. and Willems, P. A. and Williams, R. and Yamamoto, H. and Yang, H. and Yeaton-Massey, D. and Zhang, L. and Zweizig, J. and Drever, R. W. P. and Harms, J. and Langley, A. (2012) The characterization of Virgo data and its impact on gravitational-wave searches. Classical and Quantum Gravity, 29 (15). Art. No. 155002. ISSN 0264-9381 http://resolver.caltech.edu/CaltechAUTHORS:20120816-103314301
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Between 2007 and 2010 Virgo collected data in coincidence with the LIGO and GEO gravitational-wave (GW) detectors. These data have been searched for GWs emitted by cataclysmic phenomena in the universe, by non-axisymmetric rotating neutron stars or from a stochastic background in the frequency band of the detectors. The sensitivity of GW searches is limited by noise produced by the detector or its environment. It is therefore crucial to characterize the various noise sources in a GW detector. This paper reviews the Virgo detector noise sources, noise propagation, and conversion mechanisms which were identified in the three first Virgo observing runs. In many cases, these investigations allowed us to mitigate noise sources in the detector, or to selectively flag noise events and discard them from the data. We present examples from the joint LIGO-GEO-Virgo GW searches to show how well noise transients and narrow spectral lines have been identified and excluded from the Virgo data. We also discuss how detector characterization can improve the astrophysical reach of GW searches.
|Additional Information:||© 2012 Institute of Physics. Received 4 April 2012, in final form 4 June 2012. Published 27 June 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, and 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 Economía y Competitividad, the Conselleria d’Economia Hisenda i Innovació 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.|
|Subject Keywords:||Instrumentation and measurement, Gravitation and cosmology, Astrophysics and astroparticles|
|Classification Code:||PACS: 04.80.Nn, 97.60.Jd, 95.75.Wx, 07.60.Ly, 95.55.Ym. MSC 83C35|
|Official Citation:||The characterization of Virgo data and its impact on gravitational-wave searches J Aasi et al 2012 Class. Quantum Grav. 29 155002|
|Usage Policy:||No commercial reproduction, distribution, display or performance rights in this work are provided.|
|Deposited By:||Ruth Sustaita|
|Deposited On:||16 Aug 2012 18:54|
|Last Modified:||10 Sep 2012 15:43|
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