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  Gamma rays reveal proton acceleration in thermonuclear novae explosions

MAGIC Collaboration, Acciari, V., Ansoldi, S., Antonelli, L., Arbet Engels, A., Artero, M., et al. (2022). Gamma rays reveal proton acceleration in thermonuclear novae explosions. Nature Astronomy, 6, 689-697. Retrieved from https://publications.mppmu.mpg.de/?action=search&mpi=MPP-2022-115.

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MAGIC Collaboration1, Author
Acciari, V.A.1, Author
Ansoldi, S.1, Author
Antonelli, L.A.1, Author
Arbet Engels, A.1, Author
Artero, M.1, Author
Asano, K.1, Author
Baack, D.1, Author
Babić, A.1, Author
Baquero, A.1, Author
Barres de Almeida, U.1, Author
Barrio, J.A.1, Author
Batković, I.1, Author
Becerra González, J.1, Author
Bednarek, W.1, Author
Bellizzi, L.1, Author
Bernardini, E.1, Author
Bernardos, M.1, Author
Berti, A.1, Author
Besenrieder, J.1, Author
Bhattacharyya, W.1, AuthorBigongiari, C.1, AuthorBiland, A.1, AuthorBlanch, O.1, AuthorBökenkamp, H.1, AuthorBonnoli, G.1, AuthorBošnjak, Ž.1, AuthorBusetto, G.1, AuthorCarosi, R.1, AuthorCeribella, G.1, AuthorCerruti, M.1, AuthorChai, Y.1, AuthorChilingarian, A.1, AuthorCikota, S.1, AuthorColak, S.M.1, AuthorColombo, E.1, AuthorContreras, J.L.1, AuthorCortina, J.1, AuthorCovino, S.1, AuthorD'Amico, G.1, AuthorD'Elia, V.1, AuthorDa Vela, P.1, AuthorDazzi, F.1, AuthorDe Angelis, A.1, AuthorDe Lotto, B.1, AuthorDel Popolo, A.1, AuthorDelfino, M.1, AuthorDelgado, J.1, AuthorDelgado Mendez, C.1, AuthorDepaoli, D.1, AuthorDi Pierro, F.1, AuthorDi Venere, L.1, AuthorDo Souto Espiñeira, E.1, AuthorDominis Prester, D.1, AuthorDonini, A.1, AuthorDorner, D.1, AuthorDoro, M.1, AuthorElsaesser, D.1, AuthorFallah Ramazani, V.1, AuthorFariña Alonso, L.1, AuthorFattorini, A.1, AuthorFonseca, M.V.1, AuthorFont, L.1, AuthorFruck, C.1, AuthorFukami, S.1, AuthorFukazawa, Y.1, AuthorGarcía López, R.J.1, AuthorGarczarczyk, M.1, AuthorGasparyan, S.1, AuthorGaug, M.1, AuthorGiglietto, N.1, AuthorGiordano, F.1, AuthorGliwny, P.1, AuthorGodinović, N.1, AuthorGreen, J.G.1, AuthorGreen, D.1, AuthorHadasch, D.1, AuthorHahn, A.1, AuthorHassan, T.1, AuthorHeckmann, L.1, AuthorHerrera, J.1, AuthorHoang, J.1, AuthorHrupec, D.1, AuthorHütten, M.1, AuthorInada, T.1, AuthorIshio, K.1, AuthorIwamura, Y.1, AuthorJiménez Martínez, I.1, AuthorJormanainen, J.1, AuthorJouvin, L.1, AuthorKerszberg, D.1, AuthorKobayashi, Y.1, AuthorKubo, H.1, AuthorKushida, J.1, AuthorLamastra, A.1, AuthorLelas, D.1, AuthorLeone, F.1, AuthorLindfors, E.1, AuthorLinhoff, L.1, AuthorLombardi, S.1, AuthorLongo, F.1, AuthorLópez-Coto, R.1, AuthorLópez-Moya, M.1, AuthorLópez-Oramas, A.1, AuthorLoporchio, S.1, AuthorMachado de Oliveira Fraga, B.1, AuthorMaggio, C.1, AuthorMajumdar, P.1, AuthorMakariev, M.1, AuthorMallamaci, M.1, AuthorManeva, G.1, AuthorManganaro, M.1, AuthorMannheim, K.1, AuthorMaraschi, L.1, AuthorMariotti, M.1, AuthorMartínez, M.1, AuthorMas Aguilar, A.1, AuthorMazin, D.1, AuthorMenchiari, S.1, AuthorMender, S.1, AuthorMićanović, S.1, AuthorMiceli, D.1, AuthorMiener, T.1, AuthorMiranda, J.M.1, AuthorMirzoyan, R.1, AuthorMolina, E.1, AuthorMoralejo, A.1, AuthorMorcuende, D.1, AuthorMoreno, V.1, AuthorMoretti, E.1, AuthorNakamori, T.1, AuthorNava, L.1, AuthorNeustroev, V.1, AuthorNievas Rosillo, M.1, AuthorNigro, C.1, AuthorNilsson, K.1, AuthorNishijima, K.1, AuthorNoda, K.1, AuthorNozaki, S.1, AuthorOhtani, Y.1, AuthorOka, T.1, AuthorOtero-Santos, J.1, AuthorPaiano, S.1, AuthorPalatiello, M.1, AuthorPaneque, D.1, AuthorPaoletti, R.1, AuthorParedes, J.M.1, AuthorPavletić, L.1, AuthorPeñil, P.1, AuthorPersic, M.1, AuthorPihet, M.1, AuthorPrada Moroni, P.G.1, AuthorPrandini, E.1, AuthorPriyadarshi, C.1, AuthorPuljak, I.1, AuthorRhode, W.1, AuthorRibó, M.1, AuthorRico, J.1, AuthorRighi, C.1, AuthorRugliancich, A.1, AuthorSahakyan, N.1, AuthorSaito, T.1, AuthorSakurai, S.1, AuthorSatalecka, K.1, AuthorSaturni, F.G.1, AuthorSchleicher, B.1, AuthorSchmidt, K.1, AuthorSchweizer, T.1, AuthorSitarek, J.1, AuthorŠnidarić, I.1, AuthorSobczynska, D.1, AuthorSpolon, A.1, AuthorStamerra, A.1, AuthorStrišković, J.1, AuthorStrom, D.1, AuthorStrzys, M.1, AuthorSuda, Y.1, AuthorSurić, T.1, AuthorTakahashi, M.1, AuthorTakeishi, R.1, AuthorTavecchio, F.1, AuthorTemnikov, P.1, AuthorTerzić, T.1, AuthorTeshima, M.1, AuthorTosti, L.1, AuthorTruzzi, S.1, AuthorTutone, A.1, AuthorUbach, S.1, Authorvan Scherpenberg, J.1, AuthorVanzo, G.1, AuthorVazquez Acosta, M.1, AuthorVentura, S.1, AuthorVerguilov, V.1, AuthorVigorito, C.F.1, AuthorVitale, V.1, AuthorVovk, I.1, AuthorWill, M.1, AuthorWunderlich, C.1, AuthorYamamoto, T.1, AuthorZarić, D.1, AuthorAmbrosino, F.1, AuthorCecconi, M.1, AuthorCatanzaro, G.1, AuthorFerrara, C.1, AuthorFrasca, A.1, AuthorMunari, M.1, AuthorGiustolisi, L.1, AuthorAlonso-Santiago, J.1, AuthorGiarrusso, M.1, AuthorMunari, U.1, AuthorValisa, P.1, Author more..
1Max Planck Institute for Physics, Max Planck Society and Cooperation Partners, ou_2253650              


Free keywords: MAGIC
 Abstract: Classical novae are cataclysmic binary star systems in which the matter of a companion star is accreted on a white dwarf (WD). Accumulation of the matter in a layer eventually causes a thermonuclear explosion on the surface of the WD, brightening the WD to ~ 10 5 solar luminosities and triggering ejection of the accumulated matter. They provide extreme conditions required to accelerate particles, electrons or protons, to high energies. Here we present the detection of gamma rays by the MAGIC telescopes from the 2021 outburst of RS Ophiuchi (RS Oph), a recurrent symbiotic nova, that allowed us, for the first time, to accurately characterize the emission from a nova in the 60 GeV to 250 GeV energy range. The theoretical interpretation of the combined Fermi -LAT and MAGIC data suggests that protons are accelerated to hundreds of GeV in the nova shock. Such protons should create bubbles of enhanced Cosmic Ray density up to about 13 pc from the recurrent novae.


 Dates: 2022
 Publication Status: Issued
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Title: Nature Astronomy
Source Genre: Journal
Publ. Info: -
Pages: - Volume / Issue: 6 Sequence Number: - Start / End Page: 689 - 697 Identifier: -