Observation of Gravitational Waves from a Binary Black Hole Merger

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D G Blair, R M Blair, S Bloemen, O Bock, T P Bodiya, M Boer, G Bogaert, C Bogan, A Bohe, P Bojtos, C Bond, F Bondu, R Bonnand, B A Boom, R Bork, V Boschi, S Bose, Y Bouffanais, A Bozzi, C Bradaschia, P R Brady, V B Braginsky, M Branchesi, J E Brau, T Briant, A Brillet, M Brinkmann, V Brisson, P Brockill, A F Brooks, D A Brown, D D Brown, N M Brown, C C Buchanan, A Buikema, T Bulik, H J Bulten, A Buonanno, D Buskulic, C Buy, R L Byer, M Cabero, L Cadonati, G Cagnoli, C Cahillane, J Calderón Bustillo, T Callister, E Calloni, J B Camp, K C Cannon, J Cao, C D Capano, E Capocasa, F Carbognani, S Caride, J Casanueva Diaz, C Casentini, S Caudill, M Cavaglià, F Cavalier, R Cavalieri, G Cella, C B Cepeda, L Cerboni Baiardi, G Cerretani, E Cesarini, R Chakraborty, T Chalermsongsak, S J Chamberlin, M Chan, S Chao, P Charlton, E Chassande-Mottin, H Y Chen, Y Chen, C Cheng, A Chincarini, A Chiummo, H S Cho, M Cho, J H Chow, N Christensen, Q Chu, S Chua, S Chung, G Ciani, F Clara, J A Clark, F 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Eggenstein, P Ehrens, J Eichholz, S S Eikenberry, W Engels, R C Essick, T Etzel, M Evans, T M Evans, R Everett, M Factourovich, V Fafone, H Fair, S Fairhurst, X Fan, Q Fang, S Farinon, B Farr, W M Farr, M Favata, M Fays, H Fehrmann, M M Fejer, D Feldbaum, I Ferrante, E C Ferreira, F Ferrini, F Fidecaro, L S Finn, I Fiori, D Fiorucci, R P Fisher, R Flaminio, M Fletcher, H Fong, J-D Fournier, S Franco, S Frasca, F Frasconi, M Frede, Z Frei, A Freise, R Frey, V Frey, T T Fricke, P Fritschel, V V Frolov, P Fulda, M Fyffe, H A G Gabbard, J R Gair, L Gammaitoni, S G Gaonkar, F Garufi, A Gatto, G Gaur, N Gehrels, G Gemme, B Gendre, E Genin, A Gennai, J George, L Gergely, V Germain, Abhirup Ghosh, Archisman Ghosh, S Ghosh, J A Giaime, K D Giardina, A Giazotto, K Gill, A Glaefke, J R Gleason, E Goetz, R Goetz, L Gondan, G González, J M Gonzalez Castro, A Gopakumar, N A Gordon, M L Gorodetsky, S E Gossan, M Gosselin, R Gouaty, C Graef, P B Graff, M Granata, A Grant, S Gras, C Gray, G Greco, A C 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