Simultaneous observations of multiple ELVES and SPRITES at the Pierre Auger Observatory
The Pierre Auger Collaboration,
A. Abdul Halim,
P. Abreu,
M. Aglietta,
I. Allekotte,
K. Almeida Cheminant,
A. Almela, R. Aloisio, J. Alvarez-Muñiz, A. Ambrosone, J. Ammerman Yebra, G.A. Anastasi, L.A. Anchordoqui, B. Andrada, L. Andrade Dourado, S. Andringa, L. Apollonio, C. Aramo, E. Arnone, J.C. Arteaga Velazquez, P. Assis, G. Avila, E. Avocone, A. Bakalova, F. Barbato, A. Bartz Mocellin, J.A. Bellido, C. Berat, M.E. Bertaina, M. Bianciotto, P.L. Biermann, V. Binet, K. Bismark, T. Bister, J. Biteau, J. Blazek, J. Blümer, M. Bohacova, D. Boncioli, C. Bonifazi, L. Bonneau Arbeletche, N. Borodai, J. Brack, P.G. Brichetto Orchera, F.L. Briechle, A. Bueno, S. Buitink, M. Buscemi, M. Büsken, A. Bwembya, K.S. Caballero-Mora, S. Cabana-Freire, L. Caccianiga, F. Campuzano, J. Caraça-Valente, R. Caruso, A. Castellina, F. Catalani, G. Cataldi, L. Cazon, M. Cerda, B. Čermáková, A. Cermenati, J.A. Chinellato, J. Chudoba, L. Chytka, R.W. Clay, A. Cobos Cerutti, R. Colalillo, R. Conceição, G. Consolati, M. Conte, F. Convenga, D. Correia dos Santos, P.J. Costa, C. Covault, M. Cristinziani, C.S. Cruz Sanchez, S. Dasso, K. Daumiller, B.R. Dawson, R.M. de Almeida, E.T. de Boone, B. de Errico, J. de Jesús, S.J. de Jong, J. de Mello Neto, I. De Mitri, J. de Oliveira, D. de Oliveira Franco, F. de Palma, V. de Souza, E. De Vito, A. Del Popolo, O. Deligny, N. Denner, L. Deval, A. di Matteo, C. Dobrigkeit, J.C. D'Olivo, L.M. Domingues Mendes, Q. Dorosti, J. dos Anjos, R.C. dos Anjos, J. Ebr, F.H. Ellwanger, R. Engel, I. Epicoco, M. Erdmann, A. Etchegoyen, C. Evoli, H. Falcke, G.R. Farrar, A. Fauth, T. Fehler, F. Feldbusch, A. Fernandes, M. Fernandez, B. Fick, J.M. Figueira, P. Filip, A. Filipcic, T. Fitoussi, B. Flaggs, T. Fodran, A. Franco, M. Freitas, T. Fujii, A. Fuster, C. Galea, B. Garcia, C. Gaudu, P.L. Ghia, U. Giaccari, F. Gobbi, F. Gollan, G. Golup, M. Gómez Berisso, P.F. Gómez Vitale, J.P. Gongora, J.M. Gonzalez, N.M. Gonzalez, D. Gora, A. Gorgi, M. Gottowik, F. Guarino, G. Guedes, L. Gülzow, S. Hahn, P. Hamal, M.R. Hampel, P.M. Hansen, V.M. Harvey, A. Haungs, T. Hebbeker, C. Hojvat, J. Hörandel, P. Horvath, M. Hrabovsky, T. Huege, A. Insolia, P.G. Isar, M. Ismaiel, P. Janecek, V. Jilek, K.H. Kampert, B. Keilhauer, A. Khakurdikar, V.V. Kizakke Covilakam, H. Klages, M. Kleifges, J. Köhler, F. Krieger, M. Kubatova, N. Kunka, B.L. Lago, N. Langner, N. Leal, M.A. Leigui de Oliveira, Y. Lema-Capeans, A. Letessier-Selvon, I. Lhenry-Yvon, L. Lopes, J.P. Lundquist, M. Mallamaci, D. Mandat, P. Mantsch, F.M. Mariani, A. Mariazzi, I.C. Maris, G. Marsella, D. Martello, S. Martinelli, M.A. Martins, H.J. Mathes, J. Matthews, G. Matthiae, E.W. Mayotte, S. Mayotte, P. Mazur, G. Medina-Tanco, J. Meinert, D. Melo, A. Menshikov, C. Merx, S. Michal, M.I. Micheletti, L. Miramonti, M. Mogarkar, S. Mollerach, F. Montanet, L. Morejon, K. Mulrey, R. Mussa*, W.M. Namasaka, S. Negi, L. Nellen, K. Nguyen, G. Nicora, M. Niechciol, D. Nitz, D. Nosek, A. Novikov, V. Novotný, L. Nozka, A. Nucita, L.A. Nunez, J. Ochoa, C. Oliveira, L. Östman, M. Palatka, J. Pallotta, S. Panja, G. Parente, T. Paulsen, J. Pawlowsky, M. Pech, J. Pękala, R. Pelayo, V. Pelgrims, L.A. Pereira, E.E. Pereira Martins, C. Pérez Bertolli, L. Perrone, S. Petrera, C. Petrucci, T. Pierog, M. Pimenta, M. Platino, B. Pont, M. Pourmohammad Shahvar, P. Privitera, C. Priyadarshi, M. Prouza, K. Pytel, S. Querchfeld, J. Rautenberg, D. Ravignani, J.V. Reginatto Akim, A. Reuzki, J. Ridky, F. Riehn, M. Risse, V. Rizi, E. Rodriguez, G. Rodriguez Fernandez, J.R. Rodriguez Rojo, S. Rossoni, M. Roth, E. Roulet, A. Rovero, A. Saftoiu, M. Saharan, F. Salamida, H.I. Salazar, G. Salina, P. Sampathkumar, N. San Martin, J. Sanabria Gomez, F.A. Sánchez, E.M. Santos, E. Santos, F. Sarazin, R. Sarmento, R. Sato, P. Savina, V. Scherini, H. Schieler, M. Schimassek, M. Schimp, D. Schmidt, O. Scholten, H. Schoorlemmer, P. Schovanek, F.G. Schröder, J. Schulte, T. Schulz, S.J. Sciutto, M. Scornavacche, A. Sedoski, A. Segreto, S. Sehgal, S.U. Shivashankara, G. Sigl, K. Simkova, F. Simon, R. Smida, P. Sommers, R. Squartini, M. Stadelmaier, S. Stanič, J. Stasielak, P. Stassi, S. Strähnz, M. Straub, T. Suomijarvi, A.D. Supanitsky, Z. Svozilikova, K. Syrokvas, Z. Szadkowski, F. Tairli, M. Tambone, A. Tapia, C. Taricco, C. Timmermans, O. Tkachenko, P. Tobiska, C.J. Todero Peixoto, B. Tomé, A. Travaini, P. Travnicek, M.J. Tueros, M. Unger, R. Uzeiroska, L. Vaclavek, M. Vacula, I. Vaiman, J.F. Valdés Galicia, L. Valore, P. van Dillen, E. Varela, V. Vašíčková, A. Vásquez-Ramírez, D. Veberic, I.D. Vergara Quispe, S. Verpoest, V. Verzi, J. Vicha, J. Vink, S. Vorobiov, J.B. Vuta, C.K.O. Watanabe, A. Watson, A. Weindl, M. Weitz, L. Wiencke, H. Wilczyński, B. Wundheiler, B. Yue, A. Yushkov, E. Zas, D. Zavrtanik and M. Zavrtaniket al. (click to show)*: corresponding author
Pre-published on:
September 24, 2025
Published on:
December 30, 2025
Abstract
Since 2014, the Pierre Auger Observatory has exploited a dedicated trigger and its very high time
resolution to study ELVES and harvest record samples of multiple ELVES using the Fluorescence
Detector (FD). In 2017, after extending the readout of trace lengths to 0.9 ms, we started observing
other types of light transients from the base of the ionosphere, such as HALOS, which deserved
further investigation. In December 2023 and April 2024, we installed two additional cameras
(TLECAMs), which allow us to perform simultaneous detection of these transients with higher
space resolution and longer integration times. Here, we present our first simultaneous observations
of SPRITES and ELVES by both TLECAMs and FD. Furthermore, we describe the Python
algorithm based on DBSCAN to automatically detect SPRITES in the videos recorded by our
TLECAMs and acquire data efficiently without needing the FD trigger.
DOI: https://doi.org/10.22323/1.501.0342
How to cite
Metadata are provided both in
article format (very
similar to INSPIRE)
as this helps creating very compact bibliographies which
can be beneficial to authors and readers, and in
proceeding format which
is more detailed and complete.
