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M\\\"uller, A. L\\'opez Casado, A. Lucero, A.M. Badescu, A.M. Botti, A. Menshikov, A.M. van den Berg, A Nucita, A. Olinto, A. Parra, A. Puyleart, A. Saftoiu, A. Saleh, A. Streich, A. Taboada, A. Tapia, A. van Vliet, A. Weindl, A. Yushkov, A. Zepeda, B. Andrada, B. Daniel, B. Garc\\'ia, B. Keilhauer, B.L. Lago, B. Mitrica, B. Pont, B.R. Dawson, B. Tom\\'e, B. Vargas C\\'ardenas, B. Wundheiler, B. Zimmermann, C. Aramo, C. Berat, C. Bleve, C. Bonifazi, C. Dobrigkeit, C.E. Covault, C. Hojvat, C.J. Todero Peixoto, C. Morello, C.O. Escobar, C. Peters, C. Porowski, C. Sarmiento-Cano, C. Timmermans, C. Ventura, D. G{\\l}as, D. G\\'ora, D. Harari, D. Heck, D. Kuempel, D. LaHurd, D. Lo Presti, D. Mandat, D. Martello, D. Melo, D. Mockler, D. Nitz, D. Nosek, D. Ravignani, D. Schmidt, D. Stanca, D. Veberi\\v{c}, D. Wittkowski, D. Zavrtanik, E. Guido, E. Mayotte, E.M. Holt, E.M. Santos, E. Roulet, E. Santos, E. Varela, E. Zas, F. Barbato, F. Canfora, F. Catalani, F. Contreras, F. Diogo, F. Feldbusch, F. Fenu, F.G. Schr\\\"oder, F. Guarino, F.L. Briechle, F. Montanet, F. Pedreira, F. Riehn, F. Salamida, F. S\\'anchez, F. Sarazin, F. Suarez, F. Zuccarello, G.A. Anastasi, G. Avila, G. Cataldi, G.C. Hill, G. Consolati, G. De Mauro, G. Farrar, G. Golup, G. Kukec Mezek, G. Mancarella, G. Marsella, G. Matthiae, G. Medina-Tanco, G. Morlino, G. Parente, G.P. Guedes, G.R. Snow, G. Salina, G. Sigl, G. Silli, G. Torralba Elipe, 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.C. Mari\\c{s}, I. De Mitri, I.D. Vergara Quispe, I.F.M. Albuquerque, I. Goos, I. Jandt, I. Lhenry-Yvon, I. Vali\\~no, J.A. Bellido, J.A. Chinellato, J.A. Day, J.A. Johnsen, J. Alvarez Castillo, J. Alvarez-Mu\\~niz, J. Biteau, J. Blazek, J. Brack, J.C. D'Olivo, J. Chudoba, J. Debatin, J. de Oliveira, J. Ebr, J. Farmer, J.F. Soriano, J.F. Vald\\'es Galicia, J. Glombitza, J. Hulsman, J. Jurysek, J. Kemp, J. Kleinfeller, J.M. Albury, J. Matthews, J.M. Carceller, J.M. Figueira, J. Pallotta, J. Pe\\~na-Rodriguez, J. Phuntsok, J. P\\k{e}kala, J. Poh, J. Rautenberg, J.R. H\\\"orandel, J. Ridky, J. Rodriguez Rojo, J.R.T. de Mello Neto, J. Schumacher, J. Souchard, J. Stasielak, J. Vicha, J. \\v{S}up\\'ik, K. Daumiller, K.-D. Merenda, K.H. Becker, K.H. Kampert, K.S. Caballero-Mora, L. Anchordoqui, L.A. N\\'u\\~nez, L.A.S. Pereira, L. Caccianiga, L. Calcagni, L. Cazon, L. Chytka, L. Lopes, L. Middendorf, L. Miramonti, L. Nellen, L. No\\v{z}ka, L. Perrone, L.P. Ferreyro, L. Valore, L. Villase\\~nor, L. Wiencke, L. Yang, L. Zehrer, M. Aglietta, M.A. Leigui de Oliveira, M.A. Muller, M. Boh\\'a\\v{c}ov\\'a, M. Buscemi, M.E. Bertaina, M. Erdmann, M. Giammarchi, M. Giller, M. G\\'omez Berisso, M. Gottowik, M. Hrabovsk\\'y, M.I. Micheletti, M.J. Cooper, M. Josebachuili, M.J. Roncoroni, M. Kleifges, M.L. D\\'iaz Castro, M. Malacari, M. Mallamaci, M.M. Freire, M. Mostaf\\'a, M. Niculescu-Oglinzanu, M. Niechciol, M. Palatka, M. Pech, M. Perlin, M. Pimenta, M. Platino, M. Prouza, M.R. Coluccia, M. Reininghaus, M.R. Hampel, M. Risse, M. Roth, M. Schauer, M. Schimassek, M. Schimp, M. Stolpovskiy, M. Su\\'arez-Dur\\'an, M.T. Dova, M. Trini, M. Tueros, M. Unger, M. Urban, M. Weber, M. Wiede\\'nski, M. Wirtz, M. Zavrtanik, M. Ziolkowski, N. Borodai, N. Dhital, N. Fazzini, N. Gonz\\'alez, N. Kemmerich, O.A. Taborda, O. Deligny, O. Mart\\'inez Bravo, O. Scholten, O. Sima, O. Wainberg, P. Abreu, P. Assis, P. Buchholz, P.F. G\\'omez Vitale, P.G. Isar, P. Hansen, P. Heimann, P.H. Nguyen, P. Homola, P. Horvath, P.L. Biermann, P.L. Ghia, P. Mantsch, P.O. Mazur, P. Papenbreer, P. Privitera, P. Ristori, P. Ruehl, P. Savina, P. Schov\\'anek, P. Sommers, P. Stassi, P. Travnicek, P. van Bodegom, Q. Dorosti, Q. Luce, R.A. V\\'azquez, R. Caruso, R.C. dos Anjos, R. Colalillo, R. Concei\\c{c}\\~ao, R.C. Shellard, R. Engel, R.G. Lang, R. Halliday, R.J. Barreira Luz, R. Krause, R. Legumina, R. L\\'opez, R. Lorek, R.M. de Almeida, R. Mussa, R. Pelayo, R. Ramos-Pollan, R.R. Prado, R. Sarmento, R. Sato, R. Squartini, R. Ulrich, R. \\v{S}m\\'ida, R.W. Clay, S. Andringa, S. Baur, S. Buitink, S. Coutu, S. Dasso, S.G. Blaess, S.J. De Jong, S.J. Saffi, S.J. Sciutto, S. Mathys, S. Michal, S. Mollerach, S. M\\\"uller, S. Petrera, S. Querchfeld, S. Quinn, S. Schr\\\"oder, S. Stani\\v{c}, S. Vorobiov, T.A. Harrison, T. Bretz, T.D. Grubb, T. Fujii, T. Hebbeker, The Pierre Auger Collaboration: A. Aab, T. Huege, T. Pierog, T. Sudholz, T. Suomij\\\"arvi, U. Giaccari, V. de Souza, V. Lenok, V.M. Harvey, V. Novotny, V. Pirronello, V. Rizi, V. Scherini, V. Verzi, W. Rodrigues de Carvalho, X. Bertou, Z. Szadkowski, Z. Zong","submitted_at":"2018-08-10T15:08:05Z","abstract_excerpt":"We present a detailed study of the large-scale anisotropies of cosmic rays with energies above 4 EeV measured using the Pierre Auger Observatory. For the energy bins [4,8] EeV and $E\\geq 8$ EeV, the most significant signal is a dipolar modulation in right ascension at energies above 8 EeV, as previously reported. In this paper we further scrutinize the highest-energy bin by splitting it into three energy ranges. We find that the amplitude of the dipole increases with energy above 4 EeV. The growth can be fitted with a power law with index $\\beta=0.79\\pm 0.19$. The directions of the dipoles are"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1808.03579","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-08-10T15:08:05Z","cross_cats_sorted":[],"title_canon_sha256":"23b61761d8f7eebfadab6b4c1c7e83b8ae8e1f49a4782a0382e3322a3a65c106","abstract_canon_sha256":"1143f1098470c14d187f80ef28112f222955a6e0017131166d667bbd48ba6246"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:59:01.546554Z","signature_b64":"kJLrbS9tWbTY9X1MvCxjMT13oujtH/AC5MWFa+eKLLlZGlFNGi0Uwf+KYmoIXdz4z/jNiyN1nArCkvXmpSthCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5784bfeb336d3c253dc238ce1d783d6afb27690340edca7602818931c677ea8f","last_reissued_at":"2026-05-17T23:59:01.545991Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:59:01.545991Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Large-scale cosmic-ray anisotropies above 4 EeV measured by the Pierre Auger Observatory","license":"http://creativecommons.org/licenses/by-sa/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"A. Almela, A.A. Watson, A. Balaceanu, A. Blanco, A. Bridgeman, A. Bueno, A. Cancio, A. Castellina, A.C. Cobos Cerutti, A.C. Fauth, A. Coleman, A.C. Rovero, A.D. Supanitsky, A. Dundovic, 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. Kuotb Awad, A. Letessier-Selvon, A.L. M\\\"uller, A. L\\'opez Casado, A. Lucero, A.M. Badescu, A.M. Botti, A. Menshikov, A.M. van den Berg, A Nucita, A. Olinto, A. Parra, A. Puyleart, A. Saftoiu, A. Saleh, A. Streich, A. Taboada, A. Tapia, A. van Vliet, A. Weindl, A. Yushkov, A. Zepeda, B. Andrada, B. Daniel, B. Garc\\'ia, B. Keilhauer, B.L. Lago, B. Mitrica, B. Pont, B.R. Dawson, B. Tom\\'e, B. Vargas C\\'ardenas, B. Wundheiler, B. Zimmermann, C. Aramo, C. Berat, C. Bleve, C. Bonifazi, C. Dobrigkeit, C.E. Covault, C. Hojvat, C.J. Todero Peixoto, C. Morello, C.O. Escobar, C. Peters, C. Porowski, C. Sarmiento-Cano, C. Timmermans, C. Ventura, D. G{\\l}as, D. G\\'ora, D. Harari, D. Heck, D. Kuempel, D. LaHurd, D. Lo Presti, D. Mandat, D. Martello, D. Melo, D. Mockler, D. Nitz, D. Nosek, D. Ravignani, D. Schmidt, D. Stanca, D. Veberi\\v{c}, D. Wittkowski, D. Zavrtanik, E. Guido, E. Mayotte, E.M. Holt, E.M. Santos, E. Roulet, E. Santos, E. Varela, E. Zas, F. Barbato, F. Canfora, F. Catalani, F. Contreras, F. Diogo, F. Feldbusch, F. Fenu, F.G. Schr\\\"oder, F. Guarino, F.L. Briechle, F. Montanet, F. Pedreira, F. Riehn, F. Salamida, F. S\\'anchez, F. Sarazin, F. Suarez, F. Zuccarello, G.A. Anastasi, G. Avila, G. Cataldi, G.C. Hill, G. Consolati, G. De Mauro, G. Farrar, G. Golup, G. Kukec Mezek, G. Mancarella, G. Marsella, G. Matthiae, G. Medina-Tanco, G. Morlino, G. Parente, G.P. Guedes, G.R. Snow, G. Salina, G. Sigl, G. Silli, G. Torralba Elipe, 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.C. Mari\\c{s}, I. De Mitri, I.D. Vergara Quispe, I.F.M. Albuquerque, I. Goos, I. Jandt, I. Lhenry-Yvon, I. Vali\\~no, J.A. Bellido, J.A. Chinellato, J.A. Day, J.A. Johnsen, J. Alvarez Castillo, J. Alvarez-Mu\\~niz, J. Biteau, J. Blazek, J. Brack, J.C. D'Olivo, J. Chudoba, J. Debatin, J. de Oliveira, J. Ebr, J. Farmer, J.F. Soriano, J.F. Vald\\'es Galicia, J. Glombitza, J. Hulsman, J. Jurysek, J. Kemp, J. Kleinfeller, J.M. Albury, J. Matthews, J.M. Carceller, J.M. Figueira, J. Pallotta, J. Pe\\~na-Rodriguez, J. Phuntsok, J. P\\k{e}kala, J. Poh, J. Rautenberg, J.R. H\\\"orandel, J. Ridky, J. Rodriguez Rojo, J.R.T. de Mello Neto, J. Schumacher, J. Souchard, J. Stasielak, J. Vicha, J. \\v{S}up\\'ik, K. Daumiller, K.-D. Merenda, K.H. Becker, K.H. Kampert, K.S. Caballero-Mora, L. Anchordoqui, L.A. N\\'u\\~nez, L.A.S. Pereira, L. Caccianiga, L. Calcagni, L. Cazon, L. Chytka, L. Lopes, L. Middendorf, L. Miramonti, L. Nellen, L. No\\v{z}ka, L. Perrone, L.P. Ferreyro, L. Valore, L. Villase\\~nor, L. Wiencke, L. Yang, L. Zehrer, M. Aglietta, M.A. Leigui de Oliveira, M.A. Muller, M. Boh\\'a\\v{c}ov\\'a, M. Buscemi, M.E. Bertaina, M. Erdmann, M. Giammarchi, M. Giller, M. G\\'omez Berisso, M. Gottowik, M. Hrabovsk\\'y, M.I. Micheletti, M.J. Cooper, M. Josebachuili, M.J. Roncoroni, M. Kleifges, M.L. D\\'iaz Castro, M. Malacari, M. Mallamaci, M.M. Freire, M. Mostaf\\'a, M. Niculescu-Oglinzanu, M. Niechciol, M. Palatka, M. Pech, M. Perlin, M. Pimenta, M. Platino, M. Prouza, M.R. Coluccia, M. Reininghaus, M.R. Hampel, M. Risse, M. Roth, M. Schauer, M. Schimassek, M. Schimp, M. Stolpovskiy, M. Su\\'arez-Dur\\'an, M.T. Dova, M. Trini, M. Tueros, M. Unger, M. Urban, M. Weber, M. Wiede\\'nski, M. Wirtz, M. Zavrtanik, M. Ziolkowski, N. Borodai, N. Dhital, N. Fazzini, N. Gonz\\'alez, N. Kemmerich, O.A. Taborda, O. Deligny, O. Mart\\'inez Bravo, O. Scholten, O. Sima, O. Wainberg, P. Abreu, P. Assis, P. Buchholz, P.F. G\\'omez Vitale, P.G. Isar, P. Hansen, P. Heimann, P.H. Nguyen, P. Homola, P. Horvath, P.L. Biermann, P.L. Ghia, P. Mantsch, P.O. Mazur, P. Papenbreer, P. Privitera, P. Ristori, P. Ruehl, P. Savina, P. Schov\\'anek, P. Sommers, P. Stassi, P. Travnicek, P. van Bodegom, Q. Dorosti, Q. Luce, R.A. V\\'azquez, R. Caruso, R.C. dos Anjos, R. Colalillo, R. Concei\\c{c}\\~ao, R.C. Shellard, R. Engel, R.G. Lang, R. Halliday, R.J. Barreira Luz, R. Krause, R. Legumina, R. L\\'opez, R. Lorek, R.M. de Almeida, R. Mussa, R. Pelayo, R. Ramos-Pollan, R.R. Prado, R. Sarmento, R. Sato, R. Squartini, R. Ulrich, R. \\v{S}m\\'ida, R.W. Clay, S. Andringa, S. Baur, S. Buitink, S. Coutu, S. Dasso, S.G. Blaess, S.J. De Jong, S.J. Saffi, S.J. Sciutto, S. Mathys, S. Michal, S. Mollerach, S. M\\\"uller, S. Petrera, S. Querchfeld, S. Quinn, S. Schr\\\"oder, S. Stani\\v{c}, S. Vorobiov, T.A. Harrison, T. Bretz, T.D. Grubb, T. Fujii, T. Hebbeker, The Pierre Auger Collaboration: A. Aab, T. Huege, T. Pierog, T. Sudholz, T. Suomij\\\"arvi, U. Giaccari, V. de Souza, V. Lenok, V.M. Harvey, V. Novotny, V. Pirronello, V. Rizi, V. Scherini, V. Verzi, W. Rodrigues de Carvalho, X. Bertou, Z. Szadkowski, Z. Zong","submitted_at":"2018-08-10T15:08:05Z","abstract_excerpt":"We present a detailed study of the large-scale anisotropies of cosmic rays with energies above 4 EeV measured using the Pierre Auger Observatory. For the energy bins [4,8] EeV and $E\\geq 8$ EeV, the most significant signal is a dipolar modulation in right ascension at energies above 8 EeV, as previously reported. In this paper we further scrutinize the highest-energy bin by splitting it into three energy ranges. We find that the amplitude of the dipole increases with energy above 4 EeV. The growth can be fitted with a power law with index $\\beta=0.79\\pm 0.19$. 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