{"paper":{"title":"The FRAM robotic telescope for atmospheric monitoring at the Pierre Auger Observatory","license":"http://creativecommons.org/licenses/by-sa/4.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"astro-ph.IM","authors_text":"A. Almela, A.A. Watson, A. Bakalova, A. Balaceanu, A. Bueno, A. Castellina, A.C. Cobos Cerutti, A.C. Fauth, A. Coleman, A. Condorelli, A.C. Rovero, A. Di Matteo, A.D. Supanitsky, A. Etchegoyen, 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. Letessier-Selvon, A.L. Garcia Vegas, A.L. M\\\"uller, A. Lucero, A. Machado Payeras, A.M. Badescu, A.M. Botti, A. Menshikov, A. Nasr-Esfahani, A Nucita, A. Parra, A. Puyleart, A. Saftoiu, A. Segreto, A. Streich, A. Taboada, A. Tapia, A. Travaini, A. V\\'asquez-Ram\\'irez, A. Weindl, A. Yushkov, A. Zepeda, B. Andrada, B.C. Manning, B. Fick, 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.O. Escobar, C. P\\'erez Bertolli, C. Sarmiento-Cano, 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. De Vito, E.E. Pereira Martins, E. Guido, E. Mayotte, E.M. Santos, E. Roulet, E. Santos, E. Varela, E. Zas, F. Barbato, F. Canfora, 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.L. Briechle, F. Montanet, F. Pedreira, F. Riehn, F. Salamida, F. S\\'anchez, F. Sarazin, F. Schl\\\"uter, G.A. Anastasi, G. Avila, G. Cataldi, G.C. Hill, G. Consolati, G. De Mauro, G. Farrar, G. Golup, G. Mancarella, G. Marsella, G. Matthiae, G. Medina-Tanco, G. Parente, G.P. Guedes, G. Salina, G. Sigl, G. Silli, H. Asorey, H. Falcke, H. Gemmeke, H.J. Mathes, H. Martinez, H.O. Klages, H. Salazar, H. Schieler, H. Wahlberg, H. Wilczy\\'nski, I. Allekotte, I. Caracas, I.C. Mari\\c{s}, I. De Mitri, I.D. Vergara Quispe, I. Ebrov\\'a, I. Epicoco, I. Goos, I. Lhenry-Yvon, J.A. Bellido, J.A. Chinellato, J.A. Day, J.A. Johnsen, J. Alvarez-Mu\\~niz, J. Biteau, J. Blazek, 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. Eli\\'a\\v{s}ek, J. Farmer, J.F. Soriano, J.F. Vald\\'es Galicia, J. Glombitza, J. Hulsman, J. Jurysek, J. Kemp, J. Kleinfeller, J.M. Albury, J. Manshanden, J. Matthews, J.M. Carceller, J.M. Figueira, J.M. Gonz\\'alez, J. Pallotta, J. Pe\\~na-Rodriguez, 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. Souchard, J. Stasielak, J. Vicha, J. Vink, J. \\v{S}up\\'ik, K. Choi, K. Daumiller, K.-D. Merenda, K.H. Becker, K.H. Kampert, K. Mulrey, K.S. Caballero-Mora, L. Anchordoqui, L.A. N\\'u\\~nez, L. Bonneau Arbeletche, L. Caccianiga, L. Cazon, L. Chytka, L. Lopes, L. Lu, L. Miramonti, L. Nellen, L. No\\v{z}ka, L. Perrone, L. Vaclavek, L. Valore, L. Wiencke, L. Zehrer, M. Aglietta, M.A. Leigui de Oliveira, M.A. Muller, M. Boh\\'a\\v{c}ov\\'a, M. Buscemi, M. Cerda, M. del R\\'io, M.E. Bertaina, M. Erdmann, M. Giammarchi, M. Giller, M. G\\'omez Berisso, M. Gottowik, M. Hrabovsk\\'y, M.I. Micheletti, M. Jel\\'inek, M.J. Roncoroni, M. Kleifges, M. K\\\"opke, M. Mastrodicasa, M. Ma\\v{s}ek, M.M. Freire, M. Mostaf\\'a, M. Muzio, M. Niculescu-Oglinzanu, M. Niechciol, M. Palatka, M. Pech, M. Perlin, M. Pimenta, M. Platino, M. Pothast, M. Prouza, M.R. Coluccia, M. Reininghaus, M.R. Hampel, M. Risse, M. Roth, M. Schimassek, M. Schimp, M. Scornavacche, M. Stadelmaier, M. Su\\'arez-Dur\\'an, M.T. Dova, M. Trini, M. Tueros, M. Unger, M. Vacula, M. Weber, M. Wirtz, 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. Kub\\'anek, P.L. Biermann, P.L. Ghia, P. Mantsch, P.O. Mazur, P. Papenbreer, 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. Alves Batista, R. Caruso, R.C. dos Anjos, R. Colalillo, R. Concei\\c{c}\\~ao, R.C. Shellard, R. Cunniffe, R. Engel, R.G. Lang, R.J. Barreira Luz, R. L\\'opez, R.M. de Almeida, R. Mussa, R. Pelayo, R. Sarmento, R. Sato, 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. Saffi, S.J. Sciutto, S. Karpov, S. Marafico, S. Michal, S. Mollerach, S. Petrera, S. Querchfeld, S. Schr\\\"oder, S. Sehgal, S. Stani\\v{c}, S. Vorobiov, T. Bister, T. Bretz, T.D. Grubb, T. Fodran, T. Fujii, T. Hebbeker, The Pierre Auger Collaboration: A. Aab, T. Huege, T. Pierog, T. Sudholz, T. Suomij\\\"arvi, T. Winchen, U. Giaccari, V. de Souza, V. Lenok, V.M. Harvey, V. Novotny, V. Pirronello, V. Rizi, V. Scherini, V. Varma K.C., V. Verzi, W.M. Namasaka, W. Rodrigues de Carvalho, X. Bertou, Z. Szadkowski","submitted_at":"2021-01-27T18:53:08Z","abstract_excerpt":"FRAM (F/Photometric Robotic Atmospheric Monitor) is a robotic telescope operated at the Pierre Auger Observatory in Argentina for the purposes of atmospheric monitoring using stellar photometry. As a passive system which does not produce any light that could interfere with the observations of the fluorescence telescopes of the observatory, it complements the active monitoring systems that use lasers. We discuss the applications of stellar photometry for atmospheric monitoring at optical observatories in general and the particular modes of operation employed by the Auger FRAM. We describe in de"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2101.11602","kind":"arxiv","version":3},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2101.11602/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"}