Gravitational wave burst search in the Virgo C7 data

F. Acernese, M. Alshourbagy, F. Antonucci, S. Aoudia, K. G. Arun, P. Astone, G. Ballardin, F. Barone, L. Barsotti, M. Barsuglia, Th S. Bauer, S. Bigotta, S. Birindelli, M. A. Bizouard, C. Boccara, F. Bondu, L. Bonelli, L. Bosi, S. Braccini, C. BradaschiaA. Brillet, V. Brisson, H. J. Bulten, D. Buskulic, G. Cagnoli, E. Calloni, E. Campagna, B. Canuel, F. Carbognani, L. Carbone, F. Cavalier, R. Cavalieri, G. Cella, E. Cesarini, E. Chassande-Mottin, S. Chatterji, N. Christensen, A. C. Clapson, F. Cleva, E. Coccia, M. Colombini, C. Corda, A. Corsi, F. Cottone, J. P. Coulon, E. Cuoco, S. D'Antonio, A. Dari, V. Dattilo, M. Davier, R. De Rosa, M. Del Prete, L. Di Fiore, A. Di Lieto, M. Di Paolo Emilio, A. Di Virgilio, V. Fafone, I. Ferrante, F. Fidecaro, I. Fiori, R. Flaminio, J. D. Fournier, S. Frasca, F. Frasconi, L. Gammaitoni, F. Garufi, E. Genin, A. Gennai, A. Giazotto, M. Granata, V. Granata, C. Greverie, G. Guidi, H. Heitmann, P. Hello, S. Hild, D. Huet, P. La Penna, M. Laval, N. Leroy, N. Letendre, M. Lorenzini, V. Loriette, G. Losurdo, J. M. MacKowski, E. Majorana, N. Man, M. Mantovani, F. Marchesoni, F. Marion, J. Marque, F. Martelli, A. Masserot, F. Menzinger, C. Michel, L. Milano, Y. Minenkov, S. Mitra, J. Moreau, N. Morgado, M. Mohan, A. Morgia, S. Mosca, B. Mours, I. Neri, F. Nocera, G. Pagliaroli, C. Palomba, F. Paoletti, S. Pardi, A. Pasqualetti, R. Passaquieti, D. Passuello, G. Persichetti, F. Piergiovanni, L. Pinard, R. Poggiani, M. Punturo, P. Puppo, O. Rabaste, P. Rapagnani, T. Regimbau, F. Ricci, A. Rocchi, L. Rolland, R. Romano, P. Ruggi, B. Sassolas, D. Sentenac, B. L. Swinkels, R. Terenzi, A. Toncelli, M. Tonelli, E. Tournefier, F. Travasso, G. Vajente, J. F.J. Van Den Brand, S. Van Der Putten, D. Verkindt, F. Vetrano, A. Viceré, J. Y. Vinet, H. Vocca, M. Was, M. Yvert

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Abstract

A search for gravitational wave burst events has been performed with the Virgo C7 commissioning run data that have been acquired in September 2005 over 5 days. It focused on unmodeled short duration signals in the frequency range 150 Hz to 2 kHz. A search aimed at detecting the GW emission from the merger and ring-down phases of binary black hole coalescences was also carried out. An extensive understanding of the data was required to be able to handle a burst search using the output of only one detector. A 90% confidence level upper limit on the number of expected events given the Virgo C7 sensitivity curve has been derived as a function of the signal strength, for unmodeled gravitational wave searches. The sensitivity of the analysis presented is, in terms of the root sum square strain amplitude, h rss ≃ 10 -20 Hz -1/2. This can be interpreted in terms of a frequentist upper limit on the rate of detectable gravitational wave bursts at the level of 1.1 events per day at a 90% confidence level. From the binary black hole search, we obtained the distance reach at 50% and 90% efficiency as a function of the total mass of the final black hole. The maximal detection distance for non-spinning high and equal mass black hole binary system obtained by this analysis in C7 data is ≃2.9 0.1 Mpc for a detection efficiency of 50% for a binary of total mass 80 M .

Original languageEnglish
Article number085009
JournalClassical and Quantum Gravity
Volume26
Issue number8
DOIs
StatePublished - 2009

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    Acernese, F., Alshourbagy, M., Antonucci, F., Aoudia, S., Arun, K. G., Astone, P., Ballardin, G., Barone, F., Barsotti, L., Barsuglia, M., Bauer, T. S., Bigotta, S., Birindelli, S., Bizouard, M. A., Boccara, C., Bondu, F., Bonelli, L., Bosi, L., Braccini, S., ... Yvert, M. (2009). Gravitational wave burst search in the Virgo C7 data. Classical and Quantum Gravity, 26(8), [085009]. https://doi.org/10.1088/0264-9381/26/8/085009