Search for inspiralling binary events in the Virgo Engineering Run data

Year: 2004

Authors: Acernese F., Amico P., Arnaud N., Babusci D., Barille R., Barone F., Barsotti L., Barsuglia M., Beauville F., Bizouard MA., Boccara C., Bondu F., Bosi L., Bradaschia C., Bracci L., Braccini S., Brillet A., Brisson V., Brocco L., Buskulic D., Calamai G., Calloni E., Campagna E., Cavalier F., Cella G., Chassande-Mottin E., Cleva F., Cokelaer T., Conforto G., Corda C., Coulon JP., Cuoco E., Dattilo V., Davier M., De Rosa R., Di Fiore L., Di Virgilio A., Dujardin B., Eleuteri A., Enard D., Ferrante I., Fidecaro F., Fiori I., Flaminio R., Fournier JD., Frasca S., Frasconi F., Gammaitoni L., Gennai A., Giazotto A., Giordano G., Guidi G., Heitmann H., Hello P., Heusse P., Holloway L., Kreckelbergh S., La Penna P., Loriette V., Loupias M., Losurdo G., Mackowski JM., Majorana E., Man CN., Marion F., Martelli F., Masserot A., Masonnet L., Mazzoni M., Milano L., Moreau J., Moreau F., Morgado N., Mornet F., Mours B., Pacheco J., Pai A., Palomba C., Paoletti F., Passaquieti R., Passuello D., Perniola B., Pinard L., Poggiani R., Punturo M., Puppo P., Qipiani K., Ramonet J., Rapagnani P., Reita V., Remillieux A., Ricci F., Ricciardi I., Russo G., Solimeno S., Stanga R., Toncelli A., Tonelli M., Tournefier E., Travasso F., Trinquet H., Varvella M., Verkindt D., Vetrano F., Veziant O., Vicere A., Vinet JY., Vocca H., Yvert M.

Autors Affiliation: 1 Lab d’Annecy-le-Vieux de phys. des particules, Annecy-le-Vieux, France
2 European Gravitational Observatory (EGO), Cascina (Pi), Italy
3 INFN, Sez. Firenze/Urbino, Sesto Fiorentino, and/or Univ. di Firenze, and/or Osservatorio
Astrofisico di Arcetri, Firenze and/or Univ. di Urbino, Italy
4 INFN, Laboratori Nazionali di Frascati, Frascati (Rm), Italy
5 SMA, IPNL, Villeurbanne, Lyon, France
6 INFN, Sez. Napoli and/or Univ. di Napoli ‘Federico II’ Complesso Universitario di Monte
S Angelo, and/or Univ. di Salerno, Fisciano (Sa), Italy
7 Observatoire de la Cˆote d’Azur, Département Fresnel Interférométrie Laser pour la
Gravitation et l’Astrophysique, Nice, France
8 Laboratoire de l’Accélérateur Linéaire (LAL), IN2P3/CNRS-Univ. de Paris-Sud, Orsay, France
9 ESPCI, Paris, France
10 INFN, Sezione di Perugia and/or Univ. di Perugia, Perugia, Italy
11 INFN, Sezione di Pisa and/or Univ. di Pisa, Pisa, Italy
12 INFN, Sezione di Roma and/or Univ. ‘La Sapienza’, Roma, Italy

Abstract: We report preliminary results of a search for inspiralling binary events, performed on data produced by the Virgo Central Interferometer during the Engineering 4 run. Given the limited sensitivity to gravitational waves, the goal was to test some of the analysis chain elements and their integration. The search method was the matched filtering, supplemented by a chi(2) based method for the rejection of non-Gaussian events. The range of masses explored was [2-5] M-circle dot, while the frequency range considered was [24-1000] Hz. The algorithm was preliminarily tested on simulated data. On real E4 data, candidates were selected by the matched filter when the return SNR value was greater than 7; none of them survived the chi(2) test. Further, it was possible to put in correspondence the candidates with precise external disturbances in the apparatus.

Journal/Review: CLASSICAL AND QUANTUM GRAVITY

Volume: 21 (5)      Pages from: S709  to: S716

KeyWords: Virgo Central Interferometer; Engineering run; binary events
DOI: 10.1088/0264-9381/21/5/048

Citations: 13
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