MAGIC Observations and multiwavelength properties of the quasar 3C\ua0279 in 2007 and 2009
- Aleksi\u107, J.
- Antonelli, L. A.
- Antoranz, P.
- Backes, M.
- Barrio, J. A.
- Bastieri, Denis
- Becerra Gonz\ue1lez, J.
- Bednarek, W.
- Berdyugin, A.
- Berger, K.
- Bernardini, E.
- Biland, A.
- Blanch, O.
- Bock, R. K.
- Boller, A.
- Bonnoli, G.
- Borla Tridon, D.
- Braun, I.
- Bretz, T.
- Ca\uf1ellas, A.
- Carmona, E.
- Carosi, A.
- Colin, P.
- Colombo, E.
- Contreras, J. L.
- Cortina, J.
- Cossio, L.
- Covino, S.
- Dazzi, F.
- De Angelis, A.
- De Cea del Pozo, E.
- De Lotto, B.
- Delgado Mendez, C.
- Diago Ortega, A.
- Doert, M.
- Dom\uednguez, A.
- Dominis Prester, D.
- Dorner, D.
- Doro, Michele
- Elsaesser, D.
- Ferenc, D.
- Fonseca, M. V.
- Font, L.
- Fruck, C.
- Garc\ueda L\uf3pez, R. J.
- Garczarczyk, M.
- Garrido, D.
- Giavitto, G.
- Godinovi\u107, N.
- Hadasch, D.
- H\ue4fner, D.
- Herrero, A.
- Hildebrand, D.
- Hose, J.
- Hrupec, D.
- Huber, B.
- Jogler, T.
- Klepser, S.
- Kr\ue4henb\ufchl, T.
- Krause, J.
- La Barbera, A.
- Lelas, D.
- Leonardo, E.
- Lindfors, E.
- Lombardi, S.
- L\uf3pez, M.
- Lorenz, E.
- Majumdar, P.
- Makariev, M.
- Maneva, G.
- Mankuzhiyil, N.
- Mannheim, K.
- Maraschi, L.
- Mariotti, Mose'
- Mart\uednez, M.
- Mazin, D.
- Meucci, M.
- Miranda, J. M.
- Mirzoyan, R.
- Miyamoto, H.
- Mold\uf3n, J.
- Moralejo, A.
- Nieto, D.
- Nilsson, K.
- Orito, R.
- Oya, I.
- Paoletti, R.
- Pardo, S.
- Paredes, J. M.
- Partini, S.
- Pasanen, M.
- Pauss, F.
- Perez Torres, M. A.
- Persic, M.
- Peruzzo, Luigi
- Pilia, M.
- Pochon, J.
- Prada, F.
- Prada Moroni, P. G.
- Prandini, Elisa
- Puljak, I.
- Reichardt, I.
- Reinthal, R.
- Rhode, W.
- Rib\uf3, M.
- Rico, J.
- R\ufcgamer, S.
- R\ufcger, M.
- Saggion, Antonio
- Saito, K.
- Saito, T. Y.
- Salvati, M.
- Satalecka, K.
- Scalzotto, VILLI MARIO
- Scapin, V.
- Arcaro, CORNELIA HANNA ESTHER
- Schweizer, T.
- Shayduk, M.
- Shore, S. N.
- Sillanp\ue4\ue4, A.
- Sitarek, J.
- Sobczynska, D.
- Spanier, F.
- Spiro, S.
- Stamerra, A.
- Steinke, B.
- Storz, J.
- Strah, N.
- Suri\u107, T.
- Takalo, L.
- Tavecchio, F.
- Temnikov, P.
- Terzi\u107, T.
- Tescaro, D.
- Teshima, M.
- Thom, M.
- Tibolla, O.
- Torres, D. F.
- Treves, A.
- Vankov, H.
- Vogler, P.
- Wagner, R. M.
- Weitzel, Q.
- Zabalza, V.
- Zandanel, F.
- Zanin, R.
DOIAbstract
Context. 3C 279, the first quasar discovered to emit VHE \u3b3-rays by the MAGIC telescope in 2006, was reobserved by MAGIC in January 2007 during a major optical flare and from December 2008 to April 2009 following an alert from the Fermi space telescope on an exceptionally high \u3b3-ray state. Aims: The January 2007 observations resulted in a detection on January 16 with significance 5.4\u3c3, corresponding to a F (>150 GeV) (3.8 \ub1 0.8) 7 10-11 ph cm-2 s-1 while the overall data sample does not show significant signal. The December 2008-April 2009 observations did not detect the source. We study the multiwavelength behaviour of the source at the epochs of MAGIC observations, collecting quasi-simultaneous data at optical and X-ray fr...
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