Automatic Alignment system during the second science run of the Virgo interferometer

T. Accadia 1 F. Acernese F. Antonucci P. Astone G. Ballardin F. Barone M. Barsuglia 2 A. Basti Th.S. Bauer M.G. Beker A. Belletoile 1 S. Birindelli 3 M. Bitossi M.A. Bizouard 4 M. Blom F. Bondu 5 L. Bonelli R. Bonnand V. Boschi L. Bosi B. Bouhou 6 S. Braccini C. Bradaschia A. Brillet 3 V. Brisson 4 R. Budzyski T. Bulik H.J. Bulten D. Buskulic 1 C. Buy 6 G. Cagnoli E. Calloni E. Campagna B. Canuel F. Carbognani F. Cavalier 4 R. Cavalieri G. Cella E. Cesarini O. Chaibi E. Chassande-Mottin 7 A. Chincarini F. Cleva 3 E. Coccia C.N. Colacino J. Colas A. Colla M. Colombini A. Corsi J.-P. Coulon 3 E. Cuoco S. D'Antonio V. Dattilo M. Davier 4 R. Day R. De Rosa G. Debreczeni M. Del Prete L. Di Fiore A. Di Lieto M. Di Paolo Emilio A. Di Virgilio A. Dietz 1 M. Drago V. Fafone I. Ferrante F. Fidecaro I. Fiori R. Flaminio 8 L.A. Forte J.-D. Fournier 3 J. Franc S. Frasca F. Frasconi A. Freise M. Galimberti L. Gammaitoni F. Garufi M.E. Gáspár G. Gemme E. Genin A. Gennai A. Giazotto R. Gouaty 1 M. Granata 6 C. Greverie 3 G.M. Guidi J.-F. Hayau 5 H. Heitmann 3 P. Hello 4 S. Hild D. Huet P. Jaranowski I. Kowalska A. Królak N. Leroy 4 N. Letendre 1 T.G.F. Li N. Liguori M. Lorenzini V. Loriette 9 G. Losurdo E. Majorana I. Maksimovic N. Man 3 M. Mantovani F. Marchesoni F. Marion 1 J. Marque F. Martelli A. Masserot 1 C. Michel 8 L. Milano Y. Minenkov M. Mohan N. Morgado 8 A. Morgia S. Mosca V. Moscatelli B. Mours 1 I. Neri F. Nocera G. Pagliaroli L. Palladino C. Palomba F. Paoletti S. Pardi M. Parisi A. Pasqualetti R. Passaquieti D. Passuello G. Persichetti M. Pichot F. Piergiovanni M. Pietka L. Pinard 8 R. Poggiani M. Prato G.A. Prodi M. Punturo P. Puppo D.S. Rabeling I. Rácz P. Rapagnani V. Re T. Regimbau 3 F. Ricci F. Robinet 4 A. Rocchi L. Rolland 1 R. Romano D. Rosiska P. Ruggi B. Sassolas 8 D. Sentenac L. Sperandio R. Sturani B. Swinkels A. Toncelli M. Tonelli O. Torre E. Tournefier 1 F. Travasso G. Vajente J.F.J. Van Den Brand S. Van Der Putten M. Vasuth M. Vavoulidis 4 G. Vedovato D. Verkindt 1 F. Vetrano A. Viceré J.-Y. Vinet 3 H. Vocca R.L. Ward 6 M. Was 4 M. Yvert 1
Abstract : In this paper the performances of the Automatic Alignment sensing and control system in the Virgo gra itational wave detector, during the second scientific run from July 7th 2009 to January 8th 2010, are described. The accuracy of the angular control loops fulfills the original Virgo requirements, reaching the accuracy of a few nano-radians for the most critical angular degrees of freedom, and the control noise is below the Virgo design sensitivity in the whole detection band.
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Journal articles
Astroparticle Physics, Elsevier, 2011, 34, pp.327-332. <10.1016/j.astropartphys.2010.10.005>


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T. Accadia, F. Acernese, F. Antonucci, P. Astone, G. Ballardin, et al.. Automatic Alignment system during the second science run of the Virgo interferometer. Astroparticle Physics, Elsevier, 2011, 34, pp.327-332. <10.1016/j.astropartphys.2010.10.005>. <in2p3-00531363>

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