Discovery of TeV $gamma$-ray emission from the neighbourhood of the supernova remnant G24.7+0.6 by MAGIC
- Acciari, V. ~A.
- Ansoldi, S.
- Antonelli, L. ~A.
- Arbet Engels, A.
- Arcaro, C.
- Baack, D.
- Babi'c, A.
- Banerjee, B.
- Bangale, P.
- Barres de Almeida, U.
- Barrio, J. ~A.
- Becerra Gonz'alez, J.
- Bednarek, W.
- Bernardini, E.
- Berti, A.
- Besenrieder, J.
- Bhattacharyya, W.
- Bigongiari, C.
- Bil
- 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.
- Dom'inguez, A.
- Dominis Prester, D.
- Dorner, D.
- Doro, M.
- Einecke, S.
- Elsaesser, D.
- Fallah Ramazani, V.
- Fattorini, A.
- Fern'
- ez-Barral, A.
- Ferrara, G.
- Fidalgo, D.
- Foffano, L.
- Fonseca, M. ~V.
- Font, L.
- Fruck, C.
- Galindo, D.
- Gallozzi, S.
- Garc'ia L'opez, R. ~J.
- Garczarczyk, M.
- Gaug, M.
- Giammaria, P.
- Godinovi'c, 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.
- Kuve zdi'c, D.
- Lamastra, A.
- Lelas, D.
- Leone, F.
- Lindfors, E.
- Lombardi, S.
- Longo, F.
- L'opez, M.
- L'opez-Oramas, A.
- Maggio, C.
- Majumdar, P.
- Makariev, M.
- Maneva, G.
- Manganaro, M.
- Mannheim, K.
- Maraschi, L.
- Mariotti, M.
- Mart'inez, M.
- Masuda, S.
- Mazin, D.
- Minev, M.
- Mir
- a, 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.
- Nogu'es, L.
- Paiano, S.
- Palacio, J.
- Paneque, D.
- Paoletti, R.
- Paredes, J. ~M.
- Pedaletti, G.
- Pe~nil, P.
- Peresano, M.
- Persic, M.
- Prada Moroni, P. ~G.
- Pr
- ini, E.
- Puljak, I.
- Garcia, J. ~R.
- Rhode, W.
- Rib'o, M.
- Rico, J.
- Righi, C.
- Rugliancich, A.
- Saha, L.
- Saito, T.
- Satalecka, K.
- Schweizer, T.
- Sitarek, J.
- Snidari'c, I.
- Sobczynska, D.
- Somero, A.
- Stamerra, A.
- Strzys, M.
- Suri'c, T.
- Tavecchio, F.
- Temnikov, P.
- Terzi'c, T.
- Teshima, M.
- Torres-Alb`a, N.
- Tsujimoto, S.
- Vanzo, G.
- Vazquez Acosta, M.
- Vovk, I.
- Ward, J. ~E.
- Will, M.
- Zari'c
- de O~na Wilhelmi, E.
- Torres, D. ~F.
- Zanin, R.
DOIAbstract
SNR G24.7+0.6 is a 9.5 kyrs radio and γ-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 (Γ ˜ 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 G24.7+0.6 with the MAGIC telescopes for a total of 31 h. We detect very high-energy γ-ray emission from an extended source located 0.34° away from the centre of the radio SNR. The new source, named MAGIC J1835-069 is detected up to 5 TeV, and its spectrum is well-represented by a power-law function with spectral index of 2.74 ± 0.08. The complexity of the region makes the identification of the origin of the v...
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