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The high-frequency-peaked BL Lacertae object Markarian 180 (Mrk 180) was observed to have an optical outburst in 2006 March, triggering a Target of Opportunity observation with the MAGIC telescope. The source was observed for 12.4 hr, and very high energy gamma-ray emission was detected with a significance of 5.5 sigma. An integral flux above 200 GeV of (2.3 +/- 0.7) x 10(-11) cm(-2) s(-1) was measured, corresponding to 11% of the Crab Nebula flux. A rather soft spectrum with a photon index of has been determined. No significant flux -3.3 x 0.7 variation was found.

Discovery of very high energy gamma-rays from Markarian 180 triggered by an optical outburst RID B-5372-2009

SHORE, STEVEN NEIL;
2006-01-01

Abstract

The high-frequency-peaked BL Lacertae object Markarian 180 (Mrk 180) was observed to have an optical outburst in 2006 March, triggering a Target of Opportunity observation with the MAGIC telescope. The source was observed for 12.4 hr, and very high energy gamma-ray emission was detected with a significance of 5.5 sigma. An integral flux above 200 GeV of (2.3 +/- 0.7) x 10(-11) cm(-2) s(-1) was measured, corresponding to 11% of the Crab Nebula flux. A rather soft spectrum with a photon index of has been determined. No significant flux -3.3 x 0.7 variation was found.
2006
Albert, J; Aliu, E; Anderhub, H; Antoranz, P; Armada, A; Asensio, M; Baixeras, C; Barrio, Ja; Bartko, H; Bastieri, D; Becker, J; Bednarek, W; Berger, K; Bigongiari, C; Biland, A; Bisesi, E; Bock, Rk; Bordas, P; Bosch Ramon, V; Bretz, T; Britvitch, I; Camara, M; Carmona, E; Chilingarian, A; Ciprini, S; Coarasa, Ja; Commichau, S; Contreras, Jl; Cortina, J; Curtef, V; Danielyan, V; Dazzi, F; De Angelis, A; de los Reyes, R; De Lotto, B; Domingo Santamaria, E; Dorner, D; Doro, M; Errando, M; Fagiolini, M; Ferenc, D; Fernandez, E; Firpo, R; Flix, J; Fonseca, Mv; Font, L; Fuchs, M; Galante, N; Garczarczyk, M; Gaug, M; Giller, M; Goebel, F; Hakobyan, D; Hayashida, M; Hengstebeck, T; Hohne, D; Hose, J; Hsu, Cc; Jacon, P; Kalekin, O; Kosyra, R; Kranich, D; Laatiaoui, M; Laille, A; Lenisa, T; Liebing, P; Lindfors, E; Lombardi, S; Longo, F; Lopez, J; Lopez, M; Lorenz, E; Majumdar, P; Maneva, G; Mannheim, K; Mansutti, O; Mariotti, M; Martinez, M; Mazin, D; Merck, C; Meucci, M; Meyer, M; Miranda, Jm; Mirzoyan, R; Mizobuchi, S; Moralejo, A; Nilsson, K; Ninkovic, J; Ona Wilhelmi, E; Orduna, R; Otte, N; Oya, I; Paneque, D; Paoletti, R; Paredes, Jm; Pasanen, M; Pascoli, D; Pauss, F; Pegna, R; Persic, M; Peruzzo, L; Piccioli, A; Poller, M; Prandini, E; Raymers, A; Rhode, W; Ribo, M; Rico, J; Riegel, B; Rissi, M; Robert, A; Rugamer, S; Saggion, A; Sanchez, A; Sartori, P; Scalzotto, V; Scapin, V; Schmitt, R; Schweizer, T; Shayduk, M; Shinozaki, K; Shore, STEVEN NEIL; Sidro, N; Sillanpaa, A; Sobczynska, D; Stamerra, A; Stark, Ls; Takalo, L; Temnikov, P; Tescaro, D; Teshima, M; Tonello, N; Torres, A; Torres, Df; Turini, N; Vankov, H; Vitale, V; Wagner, Rm; Wibig, T; Wittek, W; Zanin, R; Zapatero, J.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11568/180316
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