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Aleksic, J; Alvarez, E A; Antonelli, L A; Antoranz, P; Asensio, M; Backes, M; Barrio, J A; Bastieri, D; Gonzalez, J Becerra; Bednarek, W; Pauss, F; Perez-Torres, M A; Persic, M; Peruzzo, L; Pilia, M; Pochon, J; Prada, F; Moroni, P G Prada; Prandini, E; Puljak, I; Berdyugin, A; Reichardt, I; Reinthal, R; Rhode, W; Ribo, M; Rico, J; Ruegamer, S; Saggion, A; Saito, K; Saito, T Y; Salvati, M; Berger, K; Satalecka, K; Scalzotto, V; Scapin, V; Schultz, C; Schweizer, T; Shayduk, M; Shore, S N; Sillanpaeae, A; Sitarek, J; Snidaric, I; Bernardini, E; Sobczynska, D; Spanier, F; Spiro, S; Stamatescu, V; Stamerra, A; Steinke, B; Storz, J; et. al
Astronomy and astrophysics (Berlin), 08/2012, Letnik: 544Journal Article
The authors present the results of a long M 87 monitoring campaign in very high energy ...-rays with the MAGIC-I Cherenkov telescope. They aim to model the persistent non-thermal jet emission by monitoring and characterizing the very high energy ...-ray emission of M 87 during a low state. A total of 150 h of data were taken between 2005 and 2007 with the single MAGIC-I telescope, out of which 128.6 h survived the data quality selection. The authors also collected data in the X-ray and Fermi-LAT bands from the literature. No flaring activity was found during the campaign. The source was found to be in a persistent low-emission state, which was at a confidence level of 7 sigma . The extrapolation of the MAGIC spectrum into the GeV energy range matches the previously published Fermi-LAT spectrum well, covering a combined energy range of four orders of magnitude with the same spectral index. (ProQuest: ... denotes formulae/symbols omitted.)
