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Due to the distinctive properties of photon interactions and to the background expected from hadronic showers, a subset of the most interesting GW events is selected based on their localization quality and distance. Time periods of 1000 s around and 1 day after the GW events are analyzed. No coincidences are observed. Upper limits on the UHE photon fluence from a GW event are derived that","authors_text":"A. Almela, A.A. Watson, A. Bakalova, A. Balaceanu, A. Bueno, A. Bwembya, A. Castellina, A.C. Cobos Cerutti, A.C. Fauth, A. Coleman, A. Condorelli, A.C. Rovero, A. Del Popolo, A. Di Matteo, A.D. Supanitsky, A. Etchegoyen, A. Fernandes, A. Filip\\v{c}i\\v{c}, A. Fuster, A. Gherghel-Lascu, A.G. Mariazzi, A. Gorgi, A. Haungs, A. Insolia, A. K\\\"a\\\"ap\\\"a, A. Khakurdikar, A. Letessier-Selvon, A.L. M\\\"uller, A. Machado Payeras, A.M. Badescu, A. Menshikov, A. Nasr-Esfahani, A Nucita, A. Parra, A. Puyleart, A. Saftoiu, A. Segreto, A. Streich, A. Tapia, A. Travaini, A. V\\'asquez-Ram\\'irez, A. Weindl, A. Yushkov, B. Andrada, B.C. Manning, B. Fick, B. Flaggs, B. Garc\\'ia, B. Keilhauer, B.L. Lago, B. Pont, B.R. Dawson, B. Tom\\'e, B. Wundheiler, C. Aramo, C. Berat, C. Bleve, C. Bonifazi, C. Dobrigkeit, C.E. Covault, C. Galea, C. Galelli, C. Hojvat, C.J. Todero Peixoto, C. Morello, C.M. Sch\\\"afer, C. Oliveira, C. P\\'erez Bertolli, C. Petrucci, C.S. Cruz Sanchez, C. Taricco, C. Timmermans, C. Trimarelli, C. Ventura, C. Watanabe, D. Boncioli, D. Correia dos Santos, D. de Oliveira Franco, D. G\\'ora, D. Harari, D. Heck, D. Lo Presti, D. Mandat, D. Martello, D. Melo, D. Nitz, D. Nosek, D. Ravignani, D. Schmidt, D. Stanca, D. Veberi\\v{c}, D. Wittkowski, D. Zavrtanik, E. Arnone, E. Avocone, E. De Vito, E.E. Pereira Martins, E. Guido, E. Mayotte, E.M. Santos, E. Roulet, E. Santos, E. Varela, E. Zas, F. Barbato, F. Catalani, F. Contreras, F. Convenga, F. de Palma, F. Feldbusch, F. Fenu, F. Gesualdi, F. Gobbi, F. Gollan, F.G. Schr\\\"oder, F. Guarino, F. Knapp, F.L. Briechle, F.M. Mariani, F. Montanet, F. Riehn, F. Salamida, F. S\\'anchez, F. Sarazin, F. Schl\\\"uter, G.A. Anastasi, G. Avila, G. Bhatta, G. Cataldi, G. Consolati, G. Farrar, G. Golup, G. Marsella, G. Matthiae, G. Medina-Tanco, G. Nicora, G. Parente, G.P. Guedes, G. Salina, G. Sigl, G. Silli, H. Asorey, H. Falcke, H. Gemmeke, H.J. Mathes, H.O. Klages, H. Salazar, H. Schieler, H. Schoorlemmer, H. Wilczy\\'nski, I. Allekotte, I. Caracas, I.C. Mari\\c{s}, I. De Mitri, I.D. Vergara Quispe, I. Epicoco, I. Goos, I. Lhenry-Yvon, I. Norwood, J.A. Bellido, J.A. Chinellato, J.A. Johnsen, J. Alvarez-Mu\\~niz, J. Ammerman Yebra, J. Biteau, J. Blazek, J. Bl\\\"umer, J. Brack, J. C. Arteaga Vel\\'azquez, J.C. D'Olivo, J. Chudoba, J. de Jes\\'us, J. de Oliveira, J.D. Sanabria Gomez, J. Ebr, J. Farmer, J.F. Soriano, J.F. Vald\\'es Galicia, J. Glombitza, J. Jurysek, J. Kleinfeller, J. Manshanden, J. Matthews, J. Meinert, J.M. Figueira, J.M. Gonz\\'alez, J. Pallotta, J. Pawlowsky, J. Perez Armand, J.P. Gongora, J. P\\k{e}kala, J.P. Lundquist, J. Rautenberg, J.R. H\\\"orandel, J. Ridky, J. Rodriguez Rojo, J.R.T. de Mello Neto, J. Schulte, J. Stasielak, J. Vicha, J. Vink, K. Almeida Cheminant, K. Bismark, K. Daumiller, K.H. Kampert, K. Mulrey, K.S. Caballero-Mora, L. Anchordoqui, L.A. N\\'u\\~nez, L.A.S. Pereira, L. Bonneau Arbeletche, L. Caccianiga, L. Cazon, L. Chytka, L. Deval, L. Lopes, L. Lu, L.M. Domingues Mendes, L. Miramonti, L. Morejon, L. Nellen, L. No\\v{z}ka, L. Perrone, L. Vaclavek, L. Valore, L. Wiencke, M. Aglietta, M.A. Leigui de Oliveira, M.A. Martins, M. Boh\\'a\\v{c}ov\\'a, M. Buscemi, M. B\\\"usken, M. Cerda, M. Conte, M. Cristinziani, M. Dobre, M.E. Bertaina, M. Emam, M. Erdmann, M. Giammarchi, M. G\\'omez Berisso, M. Gottowik, M. Hrabovsk\\'y, M.I. Micheletti, M.J. Roncoroni, M. Kleifges, M. Majercakova, M. Mastrodicasa, M. Muzio, M. Niculescu-Oglinzanu, M. Niechciol, M. Palatka, M. Pech, M. Pimenta, M. Platino, M. Pothast, M. Pourmohammad Shavar, M. Prouza, M.R. Coluccia, M. Reininghaus, M.R. Hampel, M. Risse, M. Roth, M. Saharan, M. Schimassek, M. Schimp, M. Scornavacche, M. Stadelmaier, M. Straub, M. Su\\'arez-Dur\\'an, M. Tueros, M. Unger, M. Vacula, M. Zavrtanik, N. Borodai, N. Fazzini, N. Gonz\\'alez, N. Kunka, N. Langner, O. Deligny, O. Mart\\'inez Bravo, O. Scholten, O. Sima, O. Tkachenko, O. Zapparrata, P. Abreu, P. Assis, P. Buchholz, P.F. G\\'omez Vitale, P.G. Brichetto Orchera, P.G. Isar, P. Hamal, P. Hansen, P. Horvath, P. Janecek, P.J. Costa, P.L. Biermann, P.L. Ghia, P. Mantsch, P.O. Mazur, P. Privitera, P.R. Ara\\'ujo Ferreira, P. Ruehl, P. Savina, P. Schov\\'anek, P. Sommers, P. Stassi, P. Tobiska, P. Travnicek, Q. Luce, R. Caruso, R.C. dos Anjos, R. Colalillo, R. Concei\\c{c}\\~ao, R. Engel, R. L\\'opez, R.M. de Almeida, R. Mussa, R. Pelayo, R. Sarmento, R. Sato, R. Smau, R. Squartini, R. Ulrich, R. \\v{S}m\\'ida, R.W. Clay, S. Andringa, S. Buitink, S. Dasso, S. Hahn, S.J. De Jong, S.J. Sciutto, S. Marafico, S. Martinelli, S. Mayotte, S. Michal, S. Mollerach, S. Petrera, S. Querchfeld, S. Rossoni, S. Sehgal, S. Stani\\v{c}, S.U. Shivashankara, S. Vorobiov, T. Bister, T. Bretz, T.D. Grubb, T. Fitoussi, T. Fodran, T. Fujii, T. Hebbeker, The Pierre Auger Collaboration: A. Abdul Halim, T. Huege, T. Pierog, T. Schulz, T. Suomij\\\"arvi, U. Giaccari, V. Binet, V. de Souza, V. Lenok, V.M. Harvey, V. Novotny, V. Rizi, V. Scherini, V. Verzi, V.V. Kizakke Covilakam, W.M. Namasaka, W. Rodrigues de Carvalho, Z. Szadkowski, Z. 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