Discovery of TeV $γ$-ray emission from the neighbourhood of the supernova 
remnant G24.7+0.6 by MAGIC

MAGIC Collaboration,; Acciari, V.A.; Ansoldi, S.; Antonelli, L.A.; Arbet Engels, A.; Arcaro, C.; Baack, D.; Babić, A.; Banerjee, B.; Bangale, P.; Barres de Almeida, U.; Barrio, J.A.; Becerra González, J.; Bednarek, W.; Bernardini, E.; Berti, A.; Besenrieder, J.; Bhattacharyya, W.; Bigongiari, C.; Biland, A.; Blanch, O.; Bonnoli, G.; Carosi, R.; Ceribella, G.; Chatterjee, A.; Colak, S.M.; Colin, P.; Colombo, E.; Contreras, J.L.; Cortina, J.; Covino, S.; Cumani, P.; D'Elia, V.; Da Vela, P.; Dazzi, F.; De Angelis, A.; De Lotto, B.; Delfino, M.; Delgado, J.; Di Pierro, F.; Domínguez, A.; Dominis Prester, D.; Dorner, D.; Doro, M.; Einecke, S.; Elsaesser, D.; Fallah Ramazani, V.; Fattorini, A.; Fernández-Barral, A.; Ferrara, G.; Fidalgo, D.; Foffano, L.; Fonseca, M.V.; Font, L.; Fruck, C.; Galindo, D.; Gallozzi, S.; García López, R.J.; Garczarczyk, M.; Gaug, M.; Giammaria, P.; Godinović, N.; Guberman, D.; Hadasch, D.; Hahn, A.; Hassan, T.; Herrera, J.; Hoang, J.; Hrupec, D.; Inoue, S.; Ishio, K.; Iwamura, Y.; Kubo, H.; Kushida, J.; Kuveždić, D.; Lamastra, A.; Lelas, D.; Leone, F.; Lindfors, E.; Lombardi, S.; Longo, F.; López, M.; López-Oramas, A.; Maggio, C.; Majumdar, P.; Makariev, M.; Maneva, G.; Manganaro, M.; Mannheim, K.; Maraschi, L.; Mariotti, M.; Martínez, M.; Masuda, S.; Mazin, D.; Minev, M.; Miranda, J.M.; Mirzoyan, R.; Molina, E.; Moralejo, A.; Moreno, V.; Moretti, E.; Neustroev, V.; Niedzwiecki, A.; Nievas Rosillo, M.; Nigro, C.; Nilsson, K.; Ninci, D.; Nishijima, K.; Noda, K.; Nogués, L.; Paiano, S.; Palacio, J.; Paneque, D.; Paoletti, R.; Paredes, J.M.; Pedaletti, G.; Peñil, P.; Peresano, M.; Persic, M.; Prada Moroni, P.G.; Prandini, E.; Puljak, I.; Garcia, J.R.; Rhode, W.; Ribó, M.; Rico, J.; Righi, C.; Rugliancich, A.; Saha, L.; Saito, T.; Satalecka, K.; Schweizer, T.; Sitarek, J.; Šnidarić, I.; Sobczynska, D.; Somero, A.; Stamerra, A.; Strzys, M.; Surić, T.; Tavecchio, F.; Temnikov, P.; Terzić, T.; Teshima, M.; Torres-Albà, N.; Tsujimoto, S.; Vanzo, G.; Vazquez Acosta, M.; Vovk, I.; Ward, J.E.; Will, M.; Zarić, D.; de Oña Wilhelmi, E.; Torres, D.F.; Zanin, R.

doi:10.1093/mnras/sty3387

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Discovery of TeV $γ$-ray emission from the neighbourhood of the supernova remnant G24.7+0.6 by MAGIC

MPS-Authors

MAGIC Collaboration,
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Acciari, V.A.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Ansoldi, S.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Antonelli, L.A.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Arbet Engels, A.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Arcaro, C.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Baack, D.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Babić, A.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Banerjee, B.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Bangale, P.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Barres de Almeida, U.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Barrio, J.A.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Becerra González, J.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Bednarek, W.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Bernardini, E.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Berti, A.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Besenrieder, J.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Bhattacharyya, W.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Bigongiari, C.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Biland, A.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Blanch, O.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Bonnoli, G.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Carosi, R.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Ceribella, G.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Chatterjee, A.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Colak, S.M.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Colin, P.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Colombo, E.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Contreras, J.L.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Cortina, J.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Covino, S.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Cumani, P.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

D'Elia, V.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Da Vela, P.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Dazzi, F.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

De Angelis, A.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

De Lotto, B.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Delfino, M.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Delgado, J.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Di Pierro, F.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Domínguez, A.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Dominis Prester, D.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Dorner, D.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Doro, M.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Einecke, S.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Elsaesser, D.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Fallah Ramazani, V.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Fattorini, A.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Fernández-Barral, A.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Ferrara, G.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Fidalgo, D.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Foffano, L.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Fonseca, M.V.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Font, L.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Fruck, C.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Galindo, D.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Gallozzi, S.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

García López, R.J.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Garczarczyk, M.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Gaug, M.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Giammaria, P.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Godinović, N.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Guberman, D.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Hadasch, D.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Hahn, A.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Hassan, T.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Herrera, J.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Hoang, J.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Hrupec, D.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Inoue, S.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Ishio, K.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Iwamura, Y.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Kubo, H.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Kushida, J.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Kuveždić, D.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Lamastra, A.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Lelas, D.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Leone, F.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Lindfors, E.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Lombardi, S.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Longo, F.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

López, M.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

López-Oramas, A.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Maggio, C.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Majumdar, P.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Makariev, M.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Maneva, G.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Manganaro, M.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Mannheim, K.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Maraschi, L.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Mariotti, M.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Martínez, M.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Masuda, S.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Mazin, D.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Minev, M.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Miranda, J.M.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Mirzoyan, R.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Molina, E.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Moralejo, A.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Moreno, V.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Moretti, E.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Neustroev, V.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Niedzwiecki, A.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Nievas Rosillo, M.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Nigro, C.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Nilsson, K.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Ninci, D.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Nishijima, K.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Noda, K.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Nogués, L.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Paiano, S.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Palacio, J.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Paneque, D.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Paoletti, R.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Paredes, J.M.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Pedaletti, G.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Peñil, P.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Peresano, M.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Persic, M.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Prada Moroni, P.G.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Prandini, E.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Puljak, I.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Garcia, J.R.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Rhode, W.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Ribó, M.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Rico, J.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Righi, C.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Rugliancich, A.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Saha, L.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Saito, T.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Satalecka, K.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Schweizer, T.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Sitarek, J.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Šnidarić, I.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Sobczynska, D.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Somero, A.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Stamerra, A.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Strzys, M.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Surić, T.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Tavecchio, F.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Temnikov, P.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Terzić, T.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Teshima, M.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Torres-Albà, N.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Tsujimoto, S.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Vanzo, G.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Vazquez Acosta, M.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Vovk, I.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Ward, J.E.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Will, M.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Zarić, D.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

de Oña Wilhelmi, E.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Torres, D.F.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Zanin, R.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

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Citation

MAGIC Collaboration, Acciari, V., Ansoldi, S., Antonelli, L., Arbet Engels, A., Arcaro, C., et al. (2019). Discovery of TeV $γ$-ray emission from the neighbourhood of the supernova remnant G24.7+0.6 by MAGIC. Monthly Notices of the Royal Astronomical Society, 483, 4578. doi:10.1093/mnras/sty3387.

Cite as: https://hdl.handle.net/21.11116/0000-0005-D66B-2

Abstract

SNR G24.7+0.6 is a 9.5 kyrs radio and $\gamma$-ray supernova remnant evolving in a dense medium. In the GeV regime, SNR G24.7+0.6 (3FHL\,J1834.1--0706e/FGES\,J1834.1--0706) shows a hard spectral index ($\Gamma$$\sim$2) up to $200$\,GeV, which makes it a good candidate to be observed with Cherenkov telescopes such as MAGIC. We observed the field of view of \snr\ with the MAGIC telescopes for a total of 31 hours. We detect very high energy $\gamma$-ray emission from an extended source located 0.34\degr\ away from the center of the radio SNR. The new source, named \mgc\ is detected up to 5\,TeV, and its spectrum is well-represented by a power-law function with spectral index of $2.74 \pm 0.08$. The complexity of the region makes the identification of the origin of the very-high energy emission difficult, however the spectral agreement with the LAT source and overlapping position at less than 1.5$\sigma$ point to a common origin. We analysed 8 years of \fermi-LAT data to extend the spectrum of the source down to 60\,MeV. \fermi-LAT and MAGIC spectra overlap within errors and the global broad band spectrum is described by a power-law with exponential cutoff at $1.9\pm0.5$\,TeV. The detected $\gamma$-ray emission can be interpreted as the results of proton-proton interaction between the supernova and the CO-rich surrounding.