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Simultaneous multiwavelength observations of markarian 421 during outburst

  • V. A. Acciari
  • , E. Aliu
  • , T. Aune
  • , M. Beilicke
  • , W. Benbow
  • , M. Böttcher
  • , S. M. Bradbury
  • , J. H. Buckley
  • , V. Bugaev
  • , Y. Butt
  • , A. Cannon
  • , O. Celik
  • , A. Cesarini
  • , Y. C. Chow
  • , L. Ciupik
  • , P. Cogan
  • , P. Colin
  • , W. Cui
  • , R. Dickherber
  • , C. Duke
  • A. D. Falcone, S. J. Fegan, J. P. Finley, G. Finnegan, P. Fortin, L. Fortson, A. Furniss, D. Gall, G. H. Gillanders, J. Grube, R. Guenette, G. Gyuk, D. Hanna, J. Holder, D. Horan, C. M. Hui, T. B. Humensky, P. Kaaret, N. Karlsson, M. Kertzman, D. Kieda, J. Kildea, A. Konopelko, H. Krawczynski, F. Krennrich, M. J. Lang, S. Lebohec, G. Maier, A. McCann, J. Millis, P. Moriarty, R. A. Ong, A. N. Otte, D. Pandel, J. S. Perkins, A. Pichel, M. Pohl, J. Quinn, K. Ragan, L. C. Reyes, P. T. Reynolds, E. Roache, H. J. Rose, M. Schroedter, G. H. Sembroski, A. W. Smith, D. Steele, S. P. Swordy, M. Theiling, J. A. Toner, A. Varlotta, S. Vincent, S. P. Wakely, J. E. Ward, T. C. Weekes, A. Weinstein, T. Weisgarber, D. A. Williams, S. Wissel, B. Zitzer, I. De La Calle Perez, A. Ibarra, P. Rodriguez H. Anderhub, L. A. Antonelli, P. Antoranz, M. Backes, C. Baixeras, S. Balestra, J. A. Barrio, D. Bastieri, J. Becerra Gonzlez, J. K. Becker, W. Bednarek, K. Berger, E. Bernardini, A. Biland, R. K. Bock, G. Bonnoli, P. Bordas, D. Borla Tridon, V. Bosch-Ramon, D. Bose, I. Braun, T. Bretz, I. Britvitch, M. Camara, E. Carmona, A. Carosi, S. Commichau, J. L. Contreras, J. Cortina, M. T. Costado, S. Covino, V. Curtef, F. Dazzi, A. De Angelis, E. De Cea Del Pozo, C. Delgado Mendez, R. De Los Reyes, B. De Lotto, M. De Maria, F. De Sabata, A. Dominguez, D. Dorner, M. Doro, D. Elsaesser, M. Errando, D. Ferenc, E. Fernndez, R. Firpo, M. V. Fonseca, L. Font, N. Galante, R. J. García López, M. Garczarczyk, M. Gaug, F. Goebel, D. Hadasch, M. Hayashida, A. Herrero, D. Hildebrand, D. Höhne-Mönch, J. Hose, C. C. Hsu, T. Jogler, D. Kranich, A. La Barbera, A. Laille, E. Leonardo, E. Lindfors, S. Lombardi, F. Longo, M. López, E. Lorenz, P. Majumdar, G. Maneva, N. Mankuzhiyil, K. Mannheim, L. Maraschi, M. Mariotti, M. Martínez, D. Mazin, M. Meucci, J. M. Miranda, R. Mirzoyan, H. Miyamoto, J. Moldón, M. Moles, A. Moralejo, D. Nieto, K. Nilsson, J. Ninkovic, R. Orito, I. Oya, R. Paoletti, J. M. Paredes, M. Pasanen, D. Pascoli, F. Pauss, R. G. Pegna, M. A. Perez-Torres, M. Persic, L. Peruzzo, F. Prada, E. Prandini, N. Puchades, I. Reichardt, W. Rhode, M. Ribó, J. Rico, M. Rissi, A. Robert, S. Rügamer, A. Saggion, T. Y. Saito, M. Salvati, M. Sanchez-Conde, K. Satalecka, V. Scalzotto, V. Scapin, T. Schweizer, M. Shayduk, S. N. Shore, N. Sidro, A. Sierpowska-Bartosik, A. Sillanpää, J. Sitarek, D. Sobczynska, F. Spanier, S. Spiro, A. Stamerra, L. S. Stark, L. Takalo, F. Tavecchio, P. Temnikov, D. Tescaro, M. Teshima, M. Tluczykont, D. F. Torres, N. Turini, H. Vankov, R. M. Wagner, V. Zabalza, F. Zandanel, R. Zanin, J. Zapatero
  • Center for Astrophysics | Harvard & Smithsonian
  • The Bartol Research Institute
  • University of California at Santa Cruz
  • Washington University in St. Louis
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  • Adler Planetarium
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  • ETH Zurich
  • Istituto di Astrofisica e Planetologia Spaziali (IAPS)
  • Complutense University
  • University of Dortmund
  • University of São Paulo
  • University of Padova
  • Instituto de Astrofisica de Canarias
  • University of Lodz
  • c/o DESY
  • Max-Planck-Institut für Physik
  • University of Siena
  • University of Barcelona
  • University of Würzburg
  • The Barcelona Institute of Science and Technology
  • Research Unit; CIBERNED and Universidad de La Laguna
  • and Physics University of Udine
  • Campus UAB
  • Instituto de Astrofísica de Andalucía-CSIC
  • University of California, Davis
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  • Institute for Nuclear Research and Nuclear Energy Bulgarian Academy of Sciences
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  • Pompeu Fabra University (UPF)
  • University of Pisa

Résultats de recherche: Contribution à un journalArticleRevue par des pairs

62 Citations (Scopus)

Résumé

We report on the results of two coordinated multiwavelength campaigns that focused on the blazar Markarian 421 during its 2006 and 2008 outbursts. These campaigns obtained UV and X-ray data using the XMM-Newton satellite, while the gamma-ray data were obtained utilizing three imaging atmospheric Cerenkov telescopes, the Whipple 10 m telescope and VERITAS, both based in Arizona, as well as the MAGIC telescope, based on La Palma in the Canary Islands. The coordinated effort between the gamma-ray groups allowed for truly simultaneous data in UV/X-ray/gamma-ray wavelengths during a significant portion of the XMM-Newton observations. This simultaneous coverage allowed for a reliable search for correlations between UV, X-ray, and gamma-ray variability over the course of the observations. Investigations of spectral hysteresis and modeling of the spectral energy distributions are also presented.

langue originaleAnglais
Pages (de - à)169-178
Nombre de pages10
journalAstrophysical Journal
Volume703
Numéro de publication1
Les DOIs
étatPublié - 1 janv. 2009

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