{"paper":{"title":"Mrk 421 active state in 2008: the MAGIC view, simultaneous multi-wavelength observations and SSC model constrained","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"A. Berdyugin, A. Biland, A. Boller, A. Canellas, A. Carosi, A. De Angelis, A. Diago Ortega, A. Dominguez, A. Herrero, A. La Barbera, A. Lopez, A. Moralejo, A. Saggion, A. Sillanpaa, A. Stamerra, A. Treves, B. De Lotto, B. Huber, B. Steinke, C. Delgado Mendez, C. Fruck, C. Schultz, D. Bastieri, D. Borla Tridon, D. Dominis Prester, D. Dorner, D. Elsaesser, D. Ferenc, D. F. Torres, D. Garrido, D. Hadasch, D. H\\\"afner, D. Hildebrand, D. H\\\"ohne-M\\\"onch, D. Hrupec, D. Lelas, D. Mazin, D. Nieto, D. Paneque, D. Sobczynska, D. Tescaro, E. A. Alvarez, E. Bernardini, E. Carmona, E. Colombo, E. de Cea del Pozo, E. Leonardo, E. Lindfors, E. Lorenz, E. Prandini, F. Dazzi, F. Pauss, F. Prada, F. Spanier, F. Tavecchio, F. Zandanel, G. Bonnoli, G. De Caneva, G. Giavitto, G. Maneva, H. Kellermann, H. Miyamoto, H. Takami, H. Vankov, I. Braun, I. Oya, I. Puljak, I. Reichardt, J. A. Barrio, J. Aleksic, J. Becerra Gonzalez, J. Cortina, J. Hose, J. Krause, J. L. Contreras, J. M. Miranda, J. Moldon, J. M. Paredes, J. Pochon, J. Rico, J. Sitarek, J. Storz, K. Berger, K. Mannheim, K. Nilsson, K. Saito, K. Satalecka, L. A. Antonelli, L. Cossio, L. Font, L. Maraschi, L. Peruzzo, L. Takalo, M. A. Perez-Torres, M. Asensio, M. Backes, M. Doert, M. Doro, M. Garczarczyk, M. Lopez, M. Makariev, M. Mariotti, M. Martinez, M. Meucci, M. Pasanen, M. Persic, M. Pilia, M. Ribo, M. Salvati, M. Shayduk, M. Teshima, M. Uellenbeck, M. V. Fonseca, N. Godinovic, N. Mankuzhiyil, N. Strah, O. Blanch, O. Tibolla, P. Antoranz, P. Colin, P. G. Prada Moroni, P. Munar-Adrover, P. Temnikov, P. Vogler, Q. Weitzel, R. J. Garcia Lopez, R. K. Bock, R. Mirzoyan, R. M. Wagner, R. Orito, R. Paoletti, R. Reinthal, R. Zanin, S. Covino, S. Klepser, S. Lombardi, S. N. Shore, S. Pardo, S. Partini, S. R\\\"ugamer, S. Spiro, T. Bretz, T. Jogler, T. Krahenbuh, T. Schweizer, T. Suric, T. Terzic, T. Y. Saito, V. Scalzotto, V. Scapin, V. Zabalza, W. Bednarek, W. Rhode","submitted_at":"2011-06-08T15:57:04Z","abstract_excerpt":"Context: The blazar Markarian 421 is one of the brightest TeV gamma-ray sources of the northern sky. From December 2007 until June 2008 it was intensively observed in the very high energy (VHE, E > 100 GeV) band by the single-dish Major Atmospheric Gamma-ray Imaging Cherenkov telescope (MAGIC-I). Aims: We aimed to measure the physical parameters of the emitting region of the blazar jet during active states. Methods: We performed a dense monitoring of the source in VHE with MAGIC-I, and also collected complementary data in soft X-rays and optical-UV bands; then, we modeled the spectral energy d"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1106.1589","kind":"arxiv","version":3},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"}