Evidence of hadronic origin of the gamma-ray emission from the nova RS Oph by the MAGIC telescopes
The MAGIC Collaboration,
H. Abe,
S. Abe,
J. Abhir,
V.A. Acciari,
I. Agudo,
T. Aniello, S. Ansoldi, L.A. Antonelli, A. Arbet Engels, C. Arcaro, M. Artero, K. Asano, D. Baack, A. Babić, A. Baquero, U. Barres de Almeida, J.A. Barrio, I. Batković, J.R. Baxter, J. Becerra González, W. Bednarek, E. Bernardini, M.I. Bernardos, J. Bernete, A. Berti, J. Besenrieder, C. Bigongiari, A. Biland, O. Blanch, G. Bonnoli, Z. Bosnjak, I. Burelli, G. Busetto, A. Campoy-Ordaz, A. Carosi, R. Carosi, M. Carretero-Castrillo, A.J. Castro-Tirado, G. Ceribella, Y. Chai, A.A. Chilingarian, A. Cifuentes, S. Cikota, E. Colombo, J.L. Contreras, J. Cortina, S. Covino, G. D'Amico, V. D'Elia, P. Da Vela, F. Dazzi, A. De Angelis, B. De Lotto, A. Del Popolo, M. Delfino, J. Delgado, C. Delgado Mendez, D. Depaoli, F. Di Pierro, L. Di Venere, D. Dominis Prester, A. Donini, D. Dorner, M. Doro, D. Elsaesser, G. Emery, J. Escudero, L. Fariña, A. Fattorini, L. Foffano, L. Font, S. Fröse, S. Fukami, Y. Fukazawa, R.J. García López, M. Garczarczyk, S. Gasparyan, M. Gaug, J.G. Giesbrecht Paiva, N. Giglietto, F. Giordano, P. Gliwny, N. Godinović, R. Grau Haro, D. Green*, J.G. Green, D. Hadasch, A. Hahn, T. Hassan, L. Heckmann, J. Herrera, D. Hrupec, M. Hütten, R. Imazawa, T. Inada, R. Iotov, K. Ishio, I. Jiménez Martínez, J. Jormanainen, D. Kerszberg, G.W. Kluge, Y. Kobayashi, P.M. Kouch, H. Kubo, J. Kushida, M. Láinez Lezáun, A. Lamastra, D. Lelas, F. Leone, E. Lindfors, L. Linhoff, S. Lombardi, F. Longo, R. López-Coto, M. López-Moya, A. López-Oramas, S. Loporchio, A. Lorini, É. Lyard, B. Machado de Oliveira Fraga, P. Majumdar, M. Makariev, G. Maneva, N. Mang, M. Manganaro, S. Mangano, K. Mannheim, M. Mariotti, M. Martínez, M. Martínez-Chicharro, A. Mas-Aguilar, D. Mazin, S. Menchiari, S. Mender, S. Mićanović, D. Miceli, T. Miener, J.M. Miranda, R. Mirzoyan, M. Molero Gonzalez, E. Molina, H.A. Mondal, A. Moralejo, D. Morcuende, T. Nakamori, C. Nanci, L. Nava, V. Neustroev, L. Nickel, M. Nievas Rosillo, C. Nigro, L. Nikolić, K. Nilsson, K. Nishijima, T.R. Njoh Ekoume, K. Noda, S. Nozaki, Y. Ohtani, T. Oka, A. Okumura, J. Otero-Santos, S. Paiano, M. Palatiello, D. Paneque, R. Paoletti, J.M. Paredes, L. Pavletić, D. Pavlović, M. Persic, M. Pihet, G. Pirola, F. Podobnik, P.G. Prada Moroni, E. Prandini, G. Principe, C. Priyadarshi, W. Rhode, M. Ribó, J. Rico, C. Righi, N. Sahakyan, T. Saito, S. Sakurai, K. Satalecka, F.G. Saturni, B. Schleicher, K. Schmidt, F. Schmuckermaier, J.L. Schubert, T. Schweizer, A. Sciaccaluga, J. Sitarek, V. Sliusar, D. Sobczyńska, A. Spolon, A. Stamerra, J. Strišković, D. Strom, M.C. Strzys, Y. Suda, T. Surić, S. Suutarinen, H. Tajima, M. Takahashi, R. Takeishi, F. Tavecchio, P. Temnikov, K. Terauchi, T. Terzić, M. Teshima, L. Tosti, S. Truzzi, A. Tutone, S. Ubach, J. van Scherpenberg, M. Vazquez Acosta, S. Ventura, V. Verguilov, I. Viale, C.f. Vigorito, V. Vitale, I. Vovk, R. Walter, M. Will, C. Wunderlich, T. Yamamoto and V. Fallah Ramazaniet al. (click to show)*: corresponding author
Pre-published on:
July 25, 2023
Published on:
September 27, 2024
Abstract
RS Ophiuchi (RS Oph) is a symbiotic recurrent nova that shows eruptive events roughly every 15 years. On August 8th, 2021, RS Oph erupted with its latest outburst. This event was detected by a wide range of multi-wavelength (MWL) instruments from radio up to very-high-energy (VHE) gamma rays. The MAGIC telescopes followed up on optical and high-energy triggers and initiated an observation campaign from August 9th till September 1st. RS Oph is the first nova detected in the VHE gamma-ray energy range. We report on the detection of VHE gamma rays at a significant level of 13.2σ during the first 4 days of RS Oph with the MAGIC telescopes. We combine the VHE emission detected by MAGIC with optical and high energy observations and conclude RS Oph accelerated hadrons during its eruption. We will present the MWL modeling revealing this hadronic emission, and its further implications for Galactic cosmic-rays.
DOI: https://doi.org/10.22323/1.444.0580
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