Gamma-ray flaring activity of NGC1275 in 2016-2017 measured by MAGIC
- Ansoldi, S.
- Antonelli, L. 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.
- Berse, R. Ch.
- Berti, A.
- 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.
- Gora, D.
- Guberman, D.
- Hadasch, D.
- Hahn, A.
- Hassan, T.
- Hayashida, M.
- Herrera, J.
- Hoang, J.
- Hose, J.
- Hrupec, D.
- Ishio, K.
- Konno, Y.
- Kubo, H.
- Kushida, J.
- Lamastra, A.
- Lelas, D.
- Leone, F.
- Lindfors, E.
- Lombardi, S.
- Longo, F.
- López, M.
- Maggio, C.
- Majumdar, P.
- Makariev, M.
- Maneva, G.
- Manganaro, M.
- Mannheim, K.
- Maraschi, L.
- Mariotti, M.
- Martínez, M.
- Masuda, S.
- Mazin, D.
- Mielke, K.
- Minev, M.
- Miranda, J. M.
- Mirzoyan, R.
- Moralejo, A.
- Moreno, V.
- Moretti, E.
- Nagayoshi, T.
- 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.
- Pfrang, K.
- Prada Moroni, P. G.
- Prandini, E.
- Puljak, I.
- Garcia, J. R.
- Reichardt, I.
- Rhode, W.
- Ribó, M.
- Rico, J.
- Righi, C.
- Rugliancich, A.
- Saha, L.
- Saito, T.
- Satalecka, K.
- Schweizer, T.
- Sitarek, J.
- Šnidarić, I.
- Sobczynska, D.
- Stamerra, A.
- Strzys, M.
- Surić, T.
- Takahashi, M.
- 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.
- Glawion, D.
- Takalo, L. O.
- Jormanainen, J.
DOIAbstract
We report on the detection of flaring activity from the Fanaroff-Riley I radio galaxy NGC 1275 in very-high-energy (VHE, E > 100 GeV) gamma rays with the Major Atmospheric Gamma Imaging Cherenkov (MAGIC) telescopes. The observations were performed between 2016 September and 2017 February, as part of a monitoring programme. The brightest outburst, with ∼1.5 times the Crab Nebula flux above 100 GeV (C.U.), was observed during the night between 2016 December 31 and 2017 January 1. The flux is fifty times higher than the mean flux previously measured in two observational campaigns between 2009 October and 2010 February and between 2010 August and 2011 February. Significant variability of the day-by-day light curve was measured. The shortest ...
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