A cross-correlation method to search for gravitational wave bursts with AURIGA and Virgo

M. Bignotto, M. Bonaldi, M. Camarda, M. Cerdonio, L. Conti, M. Drago, P. Falferi, N. Liguori, S. Longo, R. Mezzena, A. Mion, A. Ortolan, G. A. Prodi, V. Re, F. Salemi, L. Taffarello, G. Vedovato, A. Vinante, S. Vitale, J. P. ZendriF. Acernese, M. Alshourbagy, P. Amico, F. Antonucci, S. Aoudia, P. Astone, S. Avino, L. Baggio, G. Ballardin, F. Barone, L. Barsotti, M. Barsuglia, Th S. Bauer, S. Bigotta, S. Birindelli, C. Boccara, F. Bondu, L. Bosi, S. Braccini, C. Bradaschia, A. Brillet, V. Brisson, D. Buskulic, G. Cagnoli, E. Calloni, E. Campagna, F. Carbognani, F. Cavalier, R. Cavalieri, G. Cella, E. Cesarini, E. Chassande-Mottin, A. C. Clapson, F. Cleva, E. Coccia, 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, M. Evans, 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, L. Giordano, V. Granata, C. Greverie, D. Grosjean, G. Guidi, S. Hamdani, S. Hebri, H. Heitmann, P. Hello, D. Huet, S. Kreckelbergh, P. La Penna, M. Laval, N. Leroy, N. Letendre, B. Lopez, M. Lorenzini, V. Loriette, G. Losurdo, J. M. MacKowski, E. Majorana, C. N. Man, M. Mantovani, F. Marchesoni, F. Marion, J. Marque, F. Martelli, A. Masserot, F. Menzinger, L. Milano, Y. Minenkov, C. Moins, J. Moreau, N. Morgado, S. Mosca, B. Mours, I. Neri, F. Nocera, G. Pagliaroli, C. Palomba, F. Paoletti, S. Pardi, A. Pasqualetti, R. Passaquieti, D. Passuello, F. Piergiovanni, L. Pinard, R. Poggiani, M. Punturo, P. Puppo, P. Rapagnani, T. Regimbau, A. Remillieux, F. Ricci, I. Ricciardi, A. Rocchi, L. Rolland, R. Romano, P. Ruggi, G. Russo, S. Solimeno, A. Spallicci, B. L. Swinkels, M. Tarallo, 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. Yvert

Research output: Contribution to journalArticle

Abstract

We present a method to search for transient gravitational waves using a network of detectors with different spectral and directional sensitivities: the interferometer Virgo and the bar detector AURIGA. The data analysis method is based on the measurements of the correlated energy in the network by means of a weighted cross-correlation. To limit the computational load, this coherent analysis step is performed around time-frequency coincident triggers selected by an excess power event trigger generator tuned at low thresholds. The final selection of gravitational wave candidates is performed by a combined cut on the correlated energy and on the significance as measured by the event trigger generator. The method has been tested on one day of data of AURIGA and Virgo during September 2005. The outcomes are compared to the results of a stand-alone time-frequency coincidence search. We discuss the advantages and the limits of this approach, in view of a possible future joint search between AURIGA and one interferometric detector.

Original languageEnglish
Article number114046
JournalClassical and Quantum Gravity
Volume25
Issue number11
DOIs
StatePublished - Jun 7 2008

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    Bignotto, M., Bonaldi, M., Camarda, M., Cerdonio, M., Conti, L., Drago, M., Falferi, P., Liguori, N., Longo, S., Mezzena, R., Mion, A., Ortolan, A., Prodi, G. A., Re, V., Salemi, F., Taffarello, L., Vedovato, G., Vinante, A., Vitale, S., ... Yvert, M. (2008). A cross-correlation method to search for gravitational wave bursts with AURIGA and Virgo. Classical and Quantum Gravity, 25(11), [114046]. https://doi.org/10.1088/0264-9381/25/11/114046