ALBERT

Description: The accretion of matter onto a massive black hole is believed to feed the relativistic plasma jets found in many active galactic nuclei (AGN). Although some AGN accelerate particles to energies exceeding 10(12) electron volts and are bright sources of very-high-energy (VHE) gamma-ray emission, it is not yet known where the VHE emission originates. Here we report on radio and VHE observations of the radio galaxy Messier 87, revealing a period of extremely strong VHE gamma-ray flares accompanied by a strong increase of the radio flux from its nucleus. These results imply that charged particles are accelerated to very high energies in the immediate vicinity of the black hole.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉VERITAS Collaboration -- VLBA 43 GHz M87 Monitoring Team -- H.E.S.S. Collaboration -- MAGIC Collaboration -- Acciari, V A -- Aliu, E -- Arlen, T -- Bautista, M -- Beilicke, M -- Benbow, W -- Bradbury, S M -- Buckley, J H -- Bugaev, V -- Butt, Y -- Byrum, K -- Cannon, A -- Celik, O -- Cesarini, A -- Chow, Y C -- Ciupik, L -- Cogan, P -- Cui, W -- Dickherber, R -- Fegan, S J -- Finley, J P -- Fortin, P -- Fortson, L -- Furniss, A -- Gall, D -- Gillanders, G H -- Grube, J -- Guenette, R -- Gyuk, G -- Hanna, D -- Holder, J -- Horan, D -- Hui, C M -- Humensky, T B -- Imran, A -- Kaaret, P -- Karlsson, N -- Kieda, D -- Kildea, J -- Konopelko, A -- Krawczynski, H -- Krennrich, F -- Lang, M J -- LeBohec, S -- Maier, G -- McCann, A -- McCutcheon, M -- Millis, J -- Moriarty, P -- Ong, R A -- Otte, A N -- Pandel, D -- Perkins, J S -- Petry, D -- Pohl, M -- Quinn, J -- Ragan, K -- Reyes, L C -- Reynolds, P T -- Roache, E -- Rose, H J -- Schroedter, M -- Sembroski, G H -- Smith, A W -- Swordy, S P -- Theiling, M -- Toner, J A -- Varlotta, A -- Vincent, S -- Wakely, S P -- Ward, J E -- Weekes, T C -- Weinstein, A -- Williams, D A -- Wissel, S -- Wood, M -- Walker, R C -- Davies, F -- Hardee, P E -- Junor, W -- Ly, C -- Aharonian, F -- Akhperjanian, A G -- Anton, G -- Barres de Almeida, U -- Bazer-Bachi, A R -- Becherini, Y -- Behera, B -- Bernlohr, K -- Bochow, A -- Boisson, C -- Bolmont, J -- Borrel, V -- Brucker, J -- Brun, F -- Brun, P -- Buhler, R -- Bulik, T -- Busching, I -- Boutelier, T -- Chadwick, P M -- Charbonnier, A -- Chaves, R C G -- Cheesebrough, A -- Chounet, L-M -- Clapson, A C -- Coignet, G -- Dalton, M -- Daniel, M K -- Davids, I D -- Degrange, B -- Deil, C -- Dickinson, H J -- Djannati-Atai, A -- Domainko, W -- Drury, L O'C -- Dubois, F -- Dubus, G -- Dyks, J -- Dyrda, M -- Egberts, K -- Emmanoulopoulos, D -- Espigat, P -- Farnier, C -- Feinstein, F -- Fiasson, A -- Forster, A -- Fontaine, G -- Fussling, M -- Gabici, S -- Gallant, Y A -- Gerard, L -- Gerbig, D -- Giebels, B -- Glicenstein, J F -- Gluck, B -- Goret, P -- Gohring, D -- Hauser, D -- Hauser, M -- Heinz, S -- Heinzelmann, G -- Henri, G -- Hermann, G -- Hinton, J A -- Hoffmann, A -- Hofmann, W -- Holleran, M -- Hoppe, S -- Horns, D -- Jacholkowska, A -- de Jager, O C -- Jahn, C -- Jung, I -- Katarzynski, K -- Katz, U -- Kaufmann, S -- Kendziorra, E -- Kerschhaggl, M -- Khangulyan, D -- Khelifi, B -- Keogh, D -- Kluzniak, W -- Kneiske, T -- Komin, Nu -- Kosack, K -- Lamanna, G -- Lenain, J-P -- Lohse, T -- Marandon, V -- Martin, J M -- Martineau-Huynh, O -- Marcowith, A -- Maurin, D -- McComb, T J L -- Medina, M C -- Moderski, R -- Moulin, E -- Naumann-Godo, M -- de Naurois, M -- Nedbal, D -- Nekrassov, D -- Nicholas, B -- Niemiec, J -- Nolan, S J -- Ohm, S -- Olive, J-F -- de Ona Wilhelmi, E -- Orford, K J -- Ostrowski, M -- Panter, M -- Paz Arribas, M -- Pedaletti, G -- Pelletier, G -- Petrucci, P-O -- Pita, S -- Puhlhofer, G -- Punch, M -- Quirrenbach, A -- Raubenheimer, B C -- Raue, M -- Rayner, S M -- Renaud, M -- Rieger, F -- Ripken, J -- Rob, L -- Rosier-Lees, S -- Rowell, G -- Rudak, B -- Rulten, C B -- Ruppel, J -- Sahakian, V -- Santangelo, A -- Schlickeiser, R -- Schock, F M -- Schroder, R -- Schwanke, U -- Schwarzburg, S -- Schwemmer, S -- Shalchi, A -- Sikora, M -- Skilton, J L -- Sol, H -- Spangler, D -- Stawarz, L -- Steenkamp, R -- Stegmann, C -- Stinzing, F -- Superina, G -- Szostek, A -- Tam, P H -- Tavernet, J-P -- Terrier, R -- Tibolla, O -- Tluczykont, M -- van Eldik, C -- Vasileiadis, G -- Venter, C -- Venter, L -- Vialle, J P -- Vincent, P -- Vivier, M -- Volk, H J -- Volpe, F -- Wagner, S J -- Ward, M -- Zdziarski, A A -- Zech, A -- Anderhub, H -- Antonelli, L A -- Antoranz, P -- Backes, M -- Baixeras, C -- Balestra, S -- Barrio, J A -- Bastieri, D -- Becerra Gonzalez, J -- Becker, J K -- Bednarek, W -- Berger, K -- Bernardini, E -- Biland, A -- Bock, R K -- Bonnoli, G -- Bordas, P -- Borla Tridon, D -- Bosch-Ramon, V -- Bose, D -- Braun, I -- Bretz, T -- Britvitch, I -- Camara, M -- Carmona, E -- Commichau, S -- Contreras, J L -- Cortina, J -- Costado, M T -- Covino, S -- Curtef, V -- Dazzi, F -- De Angelis, A -- De Cea del Pozo, E -- Delgado Mendez, C -- De los Reyes, R -- De Lotto, B -- De Maria, M -- De Sabata, F -- Dominguez, A -- Dorner, D -- Doro, M -- Elsaesser, D -- Errando, M -- Ferenc, D -- Fernandez, E -- Firpo, R -- Fonseca, M V -- Font, L -- Galante, N -- Garcia Lopez, R J -- Garczarczyk, M -- Gaug, M -- Goebel, F -- Hadasch, D -- Hayashida, M -- Herrero, A -- Hildebrand, D -- Hohne-Monch, D -- Hose, J -- Hsu, C C -- Jogler, T -- Kranich, D -- La Barbera, A -- Laille, A -- Leonardo, E -- Lindfors, E -- Lombardi, S -- Longo, F -- Lopez, M -- Lorenz, E -- Majumdar, P -- Maneva, G -- Mankuzhiyil, N -- Mannheim, K -- Maraschi, L -- Mariotti, M -- Martinez, M -- Mazin, D -- Meucci, M -- Miranda, J M -- Mirzoyan, R -- Miyamoto, H -- Moldon, J -- Moles, M -- Moralejo, A -- Nieto, D -- Nilsson, K -- Ninkovic, J -- Oya, I -- Paoletti, R -- Paredes, J M -- Pasanen, M -- Pascoli, D -- Pauss, F -- Pegna, R G -- Perez-Torres, M A -- Persic, M -- Peruzzo, L -- Prada, F -- Prandini, E -- Puchades, N -- Reichardt, I -- Rhode, W -- Ribo, M -- Rico, J -- Rissi, M -- Robert, A -- Rugamer, S -- Saggion, A -- Saito, T Y -- Salvati, M -- Sanchez-Conde, M -- Satalecka, K -- Scalzotto, V -- Scapin, V -- Schweizer, T -- Shayduk, M -- Shore, S N -- Sidro, N -- Sierpowska-Bartosik, A -- Sillanpaa, A -- Sitarek, J -- Sobczynska, D -- Spanier, F -- Stamerra, A -- Stark, L S -- Takalo, L -- Tavecchio, F -- Temnikov, P -- Tescaro, D -- Teshima, M -- Torres, D F -- Turini, N -- Vankov, H -- Wagner, R M -- Zabalza, V -- Zandanel, F -- Zanin, R -- Zapatero, J -- New York, N.Y. -- Science. 2009 Jul 24;325(5939):444-8. doi: 10.1126/science.1175406. Epub 2009 Jul 2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Fred Lawrence Whipple Observatory, Harvard-Smithsonian Center for Astrophysics, Amado, AZ 85645, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19574351" target="_blank"〉PubMed〈/a〉

Description: Microquasars are binary star systems with relativistic radio-emitting jets. They are potential sources of cosmic rays and can be used to elucidate the physics of relativistic jets. We report the detection of variable gamma-ray emission above 100 gigaelectron volts from the microquasar LS I 61 + 303. Six orbital cycles were recorded. Several detections occur at a similar orbital phase, which suggests that the emission is periodic. The strongest gamma-ray emission is not observed when the two stars are closest to one another, implying a strong orbital modulation of the emission or absorption processes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Albert, J -- Aliu, E -- Anderhub, H -- Antoranz, P -- Armada, A -- Asensio, M -- Baixeras, C -- Barrio, J A -- Bartelt, M -- Bartko, H -- Bastieri, D -- Bavikadi, S R -- Bednarek, W -- Berger, K -- Bigongiari, C -- Biland, A -- Bisesi, E -- Bock, R K -- Bordas, P -- Bosch-Ramon, V -- Bretz, T -- Britvitch, I -- Camara, M -- Carmona, E -- Chilingarian, A -- Ciprini, S -- Coarasa, J A -- Commichau, S -- Contreras, J L -- 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, M V -- 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, C C -- Isar, P G -- 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 -- Lucarelli, F -- Majumdar, P -- Maneva, G -- Mannheim, K -- Mansutti, O -- Mariotti, M -- Martinez, M -- Mase, K -- Mazin, D -- Merck, C -- Meucci, M -- Meyer, M -- Miranda, J M -- Mirzoyan, R -- Mizobuchi, S -- Moralejo, A -- Nilsson, K -- Ona-Wilhelmi, E -- Orduna, R -- Otte, N -- Oya, I -- Paneque, D -- Paoletti, R -- Paredes, J M -- Pasanen, M -- Pascoli, D -- Pauss, F -- Pavel, N -- Pegna, R -- Persic, M -- Peruzzo, L -- Piccioli, A -- Poller, M -- Pooley, G -- Prandini, E -- Raymers, A -- Rhode, W -- Ribo, M -- Rico, J -- Riegel, B -- Rissi, M -- Robert, A -- Romero, G E -- Rugamer, S -- Saggion, A -- Sanchez, A -- Sartori, P -- Scalzotto, V -- Scapin, V -- Schmitt, R -- Schweizer, T -- Shayduk, M -- Shinozaki, K -- Shore, S N -- Sidro, N -- Sillanpaa, A -- Sobczynska, D -- Stamerra, A -- Stark, L S -- Takalo, L -- Temnikov, P -- Tescaro, D -- Teshima, M -- Tonello, N -- Torres, A -- Torres, D F -- Turini, N -- Vankov, H -- Vitale, V -- Wagner, R M -- Wibig, T -- Wittek, W -- Zanin, R -- Zapatero, J -- New York, N.Y. -- Science. 2006 Jun 23;312(5781):1771-3. Epub 2006 May 18.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Universitat Wurzburg, D-97074 Wurzburg, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16709745" target="_blank"〉PubMed〈/a〉

Description: The atmospheric Cherenkov gamma-ray telescope MAGIC, designed for a low-energy threshold, has detected very-high-energy gamma rays from a giant flare of the distant Quasi-Stellar Radio Source (in short: radio quasar) 3C 279, at a distance of more than 5 billion light-years (a redshift of 0.536). No quasar has been observed previously in very-high-energy gamma radiation, and this is also the most distant object detected emitting gamma rays above 50 gigaelectron volts. Because high-energy gamma rays may be stopped by interacting with the diffuse background light in the universe, the observations by MAGIC imply a low amount for such light, consistent with that known from galaxy counts.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉MAGIC Collaboration -- Albert, J -- Aliu, E -- Anderhub, H -- Antonelli, L A -- Antoranz, P -- Backes, M -- Baixeras, C -- Barrio, J A -- Bartko, H -- Bastieri, D -- Becker, J K -- Bednarek, W -- Berger, K -- Bernardini, E -- Bigongiari, C -- Biland, A -- Bock, R K -- Bonnoli, G -- Bordas, P -- Bosch-Ramon, V -- Bretz, T -- Britvitch, I -- Camara, M -- Carmona, E -- Chilingarian, A -- Commichau, S -- Contreras, J L -- Cortina, J -- Costado, M T -- Covino, S -- Curtef, V -- Dazzi, F -- De Angelis, A -- De Cea Del Pozo, E -- de Los Reyes, R -- De Lotto, B -- De Maria, M -- De Sabata, F -- Mendez, C Delgado -- Dominguez, A -- Dorner, D -- Doro, M -- Errando, M -- Fagiolini, M -- Ferenc, D -- Fernandez, E -- Firpo, R -- Fonseca, M V -- Font, L -- Galante, N -- Lopez, R J Garcia -- Garczarczyk, M -- Gaug, M -- Goebel, F -- Hayashida, M -- Herrero, A -- Hohne, D -- Hose, J -- Hsu, C C -- Huber, S -- Jogler, T -- Kneiske, T M -- Kranich, D -- La Barbera, A -- Laille, A -- Leonardo, E -- Lindfors, E -- Lombardi, S -- Longo, F -- Lopez, M -- Lorenz, E -- Majumdar, P -- Maneva, G -- Mankuzhiyil, N -- Mannheim, K -- Maraschi, L -- Mariotti, M -- Martinez, M -- Mazin, D -- Meucci, M -- Meyer, M -- Miranda, J M -- Mirzoyan, R -- Mizobuchi, S -- Moles, M -- Moralejo, A -- Nieto, D -- Nilsson, K -- Ninkovic, J -- Otte, N -- Oya, I -- Panniello, M -- Paoletti, R -- Paredes, J M -- Pasanen, M -- Pascoli, D -- Pauss, F -- Pegna, R G -- Perez-Torres, M A -- Persic, M -- Peruzzo, L -- Piccioli, A -- Prada, F -- Prandini, E -- Puchades, N -- Raymers, A -- Rhode, W -- Ribo, M -- Rico, J -- Rissi, M -- Robert, A -- Rugamer, S -- Saggion, A -- Saito, T Y -- Salvati, M -- Sanchez-Conde, M -- Sartori, P -- Satalecka, K -- Scalzotto, V -- Scapin, V -- Schmitt, R -- Schweizer, T -- Shayduk, M -- Shinozaki, K -- Shore, S N -- Sidro, N -- Sierpowska-Bartosik, A -- Sillanpaa, A -- Sobczynska, D -- Spanier, F -- Stamerra, A -- Stark, L S -- Takalo, L -- Tavecchio, F -- Temnikov, P -- Tescaro, D -- Teshima, M -- Tluczykont, M -- Torres, D F -- Turini, N -- Vankov, H -- Venturini, A -- Vitale, V -- Wagner, R M -- Wittek, W -- Zabalza, V -- Zandanel, F -- Zanin, R -- Zapatero, J -- New York, N.Y. -- Science. 2008 Jun 27;320(5884):1752-4. doi: 10.1126/science.1157087.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Universitat Wurzburg, D-97074 Wurzburg, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18583607" target="_blank"〉PubMed〈/a〉

Description: One fundamental question about pulsars concerns the mechanism of their pulsed electromagnetic emission. Measuring the high-end region of a pulsar's spectrum would shed light on this question. By developing a new electronic trigger, we lowered the threshold of the Major Atmospheric gamma-ray Imaging Cherenkov (MAGIC) telescope to 25 giga-electron volts. In this configuration, we detected pulsed gamma-rays from the Crab pulsar that were greater than 25 giga-electron volts, revealing a relatively high cutoff energy in the phase-averaged spectrum. This indicates that the emission occurs far out in the magnetosphere, hence excluding the polar-cap scenario as a possible explanation of our measurement. The high cutoff energy also challenges the slot-gap scenario.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉MAGIC Collaboration -- Aliu, E -- Anderhub, H -- Antonelli, L A -- Antoranz, P -- Backes, M -- Baixeras, C -- Barrio, J A -- Bartko, H -- Bastieri, D -- Becker, J K -- Bednarek, W -- Berger, K -- Bernardini, E -- Bigongiari, C -- Biland, A -- Bock, R K -- Bonnoli, G -- Bordas, P -- Bosch-Ramon, V -- Bretz, T -- Britvitch, I -- Camara, M -- Carmona, E -- Chilingarian, A -- Commichau, S -- Contreras, J L -- Cortina, J -- Costado, M T -- Covino, S -- Curtef, V -- Dazzi, F -- De Angelis, A -- De Cea Del Pozo, E -- de Los Reyes, R -- De Lotto, B -- De Maria, M -- De Sabata, F -- Delgado Mendez, C -- Dominguez, A -- Dorner, D -- Doro, M -- Elsasser, D -- Errando, M -- Fagiolini, M -- Ferenc, D -- Fernandez, E -- Firpo, R -- Fonseca, M V -- Font, L -- Galante, N -- Garcia Lopez, R J -- Garczarczyk, M -- Gaug, M -- Goebel, F -- Hadasch, D -- Hayashida, M -- Herrero, A -- Hohne, D -- Hose, J -- Hsu, C C -- Huber, S -- Jogler, T -- Kranich, D -- La Barbera, A -- Laille, A -- Leonardo, E -- Lindfors, E -- Lombardi, S -- Longo, F -- Lopez, M -- Lorenz, E -- Majumdar, P -- Maneva, G -- Mankuzhiyil, N -- Mannheim, K -- Maraschi, L -- Mariotti, M -- Martinez, M -- Mazin, D -- Meucci, M -- Meyer, M -- Miranda, J M -- Mirzoyan, R -- Moles, M -- Moralejo, A -- Nieto, D -- Nilsson, K -- Ninkovic, J -- Otte, N -- Oya, I -- Paoletti, R -- Paredes, J M -- Pasanen, M -- Pascoli, D -- Pauss, F -- Pegna, R G -- Perez-Torres, M A -- Persic, M -- Peruzzo, L -- Piccioli, A -- Prada, F -- Prandini, E -- Puchades, N -- Raymers, A -- Rhode, W -- Ribo, M -- Rico, J -- Rissi, M -- Robert, A -- Rugamer, S -- Saggion, A -- Saito, T Y -- Salvati, M -- Sanchez-Conde, M -- Sartori, P -- Satalecka, K -- Scalzotto, V -- Scapin, V -- Schweizer, T -- Shayduk, M -- Shinozaki, K -- Shore, S N -- Sidro, N -- Sierpowska-Bartosik, A -- Sillanpaa, A -- Sobczynska, D -- Spanier, F -- Stamerra, A -- Stark, L S -- Takalo, L -- Tavecchio, F -- Temnikov, P -- Tescaro, D -- Teshima, M -- Tluczykont, M -- Torres, D F -- Turini, N -- Vankov, H -- Venturini, A -- Vitale, V -- Wagner, R M -- Wittek, W -- Zabalza, V -- Zandanel, F -- Zanin, R -- Zapatero, J -- de Jager, O C -- de Ona Wilhelmi, E -- New York, N.Y. -- Science. 2008 Nov 21;322(5905):1221-4. doi: 10.1126/science.1164718. Epub 2008 Oct 16.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18927358" target="_blank"〉PubMed〈/a〉

Description: Supermassive black holes with masses of millions to billions of solar masses are commonly found in the centers of galaxies. Astronomers seek to image jet formation using radio interferometry but still suffer from insufficient angular resolution. An alternative method to resolve small structures is to measure the time variability of their emission. Here we report on gamma-ray observations of the radio galaxy IC 310 obtained with the MAGIC (Major Atmospheric Gamma-ray Imaging Cherenkov) telescopes, revealing variability with doubling time scales faster than 4.8 min. Causality constrains the size of the emission region to be smaller than 20% of the gravitational radius of its central black hole. We suggest that the emission is associated with pulsar-like particle acceleration by the electric field across a magnetospheric gap at the base of the radio jet.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Aleksic, J -- Ansoldi, S -- Antonelli, L A -- Antoranz, P -- Babic, A -- Bangale, P -- Barrio, J A -- Becerra Gonzalez, J -- Bednarek, W -- Bernardini, E -- Biasuzzi, B -- Biland, A -- Blanch, O -- Bonnefoy, S -- Bonnoli, G -- Borracci, F -- Bretz, T -- Carmona, E -- Carosi, A -- Colin, P -- Colombo, E -- Contreras, J L -- Cortina, J -- Covino, S -- Da Vela, P -- Dazzi, F -- De Angelis, A -- De Caneva, G -- De Lotto, B -- de Ona Wilhelmi, E -- Delgado Mendez, C -- Dominis Prester, D -- Dorner, D -- Doro, M -- Einecke, S -- Eisenacher, D -- Elsaesser, D -- Fonseca, M V -- Font, L -- Frantzen, K -- Fruck, C -- Galindo, D -- Garcia Lopez, R J -- Garczarczyk, M -- Garrido Terrats, D -- Gaug, M -- Godinovic, N -- Gonzalez Munoz, A -- Gozzini, S R -- Hadasch, D -- Hanabata, Y -- Hayashida, M -- Herrera, J -- Hildebrand, D -- Hose, J -- Hrupec, D -- Idec, W -- Kadenius, V -- Kellermann, H -- Kodani, K -- Konno, Y -- Krause, J -- Kubo, H -- Kushida, J -- La Barbera, A -- Lelas, D -- Lewandowska, N -- Lindfors, E -- Lombardi, S -- Longo, F -- Lopez, M -- Lopez-Coto, R -- Lopez-Oramas, A -- Lorenz, E -- Lozano, I -- Makariev, M -- Mallot, K -- Maneva, G -- Mankuzhiyil, N -- Mannheim, K -- Maraschi, L -- Marcote, B -- Mariotti, M -- Martinez, M -- Mazin, D -- Menzel, U -- Miranda, J M -- Mirzoyan, R -- Moralejo, A -- Munar-Adrover, P -- Nakajima, D -- Niedzwiecki, A -- Nilsson, K -- Nishijima, K -- Noda, K -- Orito, R -- Overkemping, A -- Paiano, S -- Palatiello, M -- Paneque, D -- Paoletti, R -- Paredes, J M -- Paredes-Fortuny, X -- Persic, M -- Poutanen, J -- Prada Moroni, P G -- Prandini, E -- Puljak, I -- Reinthal, R -- Rhode, W -- Ribo, M -- Rico, J -- Rodriguez Garcia, J -- Rugamer, S -- Saito, T -- Saito, K -- Satalecka, K -- Scalzotto, V -- Scapin, V -- Schultz, C -- Schweizer, T -- Shore, S N -- Sillanpaa, A -- Sitarek, J -- Snidaric, I -- Sobczynska, D -- Spanier, F -- Stamatescu, V -- Stamerra, A -- Steinbring, T -- Storz, J -- Strzys, M -- Takalo, L -- Takami, H -- Tavecchio, F -- Temnikov, P -- Terzic, T -- Tescaro, D -- Teshima, M -- Thaele, J -- Tibolla, O -- Torres, D F -- Toyama, T -- Treves, A -- Uellenbeck, M -- Vogler, P -- Zanin, R -- Kadler, M -- Schulz, R -- Ros, E -- Bach, U -- Krauss, F -- Wilms, J -- New York, N.Y. -- Science. 2014 Nov 28;346(6213):1080-4. doi: 10.1126/science.1256183. Epub 2014 Nov 6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institut de Fisica d'Altes Energies, Campus UAB, E-08193 Bellaterra, Spain. ; Universita di Udine and Istituto Nazionale di Fisica Nucleare (INFN) Trieste, I-33100 Udine, Italy, and Istituto Nazionale di Astrofisica (INAF)-Trieste, I-34127 Trieste, Italy. ; INAF National Institute for Astrophysics, I-00136 Rome, Italy. ; Universita di Siena and INFN Pisa, I-53100 Siena, Italy. ; Croatian MAGIC Consortium, Rudjer Boskovic Institute, University of Rijeka and University of Split, HR-10000 Zagreb, Croatia. ; Max-Planck-Institut fur Physik, D-80805 Munchen, Germany. ; Universidad Complutense, E-28040 Madrid, Spain. ; Instituto de Astrofisica de Canarias, E-38200 La Laguna, Tenerife, Spain. Present address: NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA, and Department of Physics and Department of Astronomy, University of Maryland, College Park, MD 20742, USA. ; University of Lodz', PL-90236 Lodz, Poland. ; Deutsches Elektronen-Synchrotron, D-15738 Zeuthen, Germany. ; ETH Zurich, CH-8093 Zurich, Switzerland. ; Universitat Wurzburg, D-97074 Wurzburg, Germany. Present address: Ecole Polytechnique Federale de Lausanne (EPFL), Lausanne, Switzerland. ; Centro de Investigaciones Energeticas, Medioambientales y Tecnologicas, E-28040 Madrid, Spain. ; Instituto de Astrofisica de Canarias, E-38200 La Laguna, Tenerife, Spain. ; Institute of Space Sciences, E-08193 Barcelona, Spain. ; Universitat Wurzburg, D-97074 Wurzburg, Germany. ; Universita di Padova and INFN, I-35131 Padova, Italy. ; Technische Universitat Dortmund, D-44221 Dortmund, Germany. ; Universitat Wurzburg, D-97074 Wurzburg, Germany. deisenacher@astro.uni-wuerzburg.de jsitarek@ifae.es mannheim@astro.uni-wuerzburg.de. ; Unitat de Fisica de les Radiacions, Departament de Fisica, and Centro de Estudios e Investigacion Espaciales-Institut d'Estudis Espacials de Catalunya, Universitat Autonoma de Barcelona, E-08193 Bellaterra, Spain. ; Universitat de Barcelona, Institut de Ciencies del Cosmos, Institut d'Estudis Espacials de Catalunya-Universitat de Barcelona, E-08028 Barcelona, Spain. ; Institute of Space Sciences, E-08193 Barcelona, Spain. Present address: Institut fur Astro- und Teilchenphysik, Leopold-Franzens-Universitat Innsbruck, A-6020 Innsbruck, Austria. ; Japanese MAGIC Consortium, Division of Physics and Astronomy, Kyoto University, Japan. ; Finnish MAGIC Consortium, Tuorla Observatory, University of Turku and Department of Physics, University of Oulu, Finland. ; Finnish MAGIC Consortium, Tuorla Observatory, University of Turku and Department of Physics, University of Oulu, Finland. Present address: Finnish Centre for Astronomy with ESO (FINCA), Turku, Finland. ; Deceased. ; Institute for Nuclear Research and Nuclear Energy, BG-1784 Sofia, Bulgaria. ; Universita di Udine and Istituto Nazionale di Fisica Nucleare (INFN) Trieste, I-33100 Udine, Italy, and Istituto Nazionale di Astrofisica (INAF)-Trieste, I-34127 Trieste, Italy. Present address: Astrophysics Science Division, Bhabha Atomic Research Centre, Mumbai 400085, India. ; Universita di Pisa and INFN Pisa, I-56126 Pisa, Italy. ; Institut de Fisica d'Altes Energies, Campus UAB, E-08193 Bellaterra, Spain. deisenacher@astro.uni-wuerzburg.de jsitarek@ifae.es mannheim@astro.uni-wuerzburg.de. ; Institut de Fisica d'Altes Energies, Campus UAB, E-08193 Bellaterra, Spain. Present address: School of Chemistry and Physics, University of Adelaide, Adelaide 5005, Australia. ; Max-Planck-Institut fur Physik, D-80805 Munchen, Germany. Japanese MAGIC Consortium, Division of Physics and Astronomy, Kyoto University, Japan. ; ICREA and Institute of Space Sciences, E-08193 Barcelona, Spain. ; Universita dell'Insubria and INFN Milano Bicocca, Como, I-22100 Como, Italy. ; Universitat Wurzburg, D-97074 Wurzburg, Germany. Dr. Remeis-Sternwarte Bamberg, Astronomisches Institut der Universitat Erlangen-Nurnberg, ECAP, D-96049 Bamberg, Germany. ; Max-Planck-Institut fur Radioastronomie, D-53121 Bonn, Germany. Observatori Astronomic, Universitat de Valencia, E-46980 Paterna, Valencia, Spain. Departament d'Astronomia i Astrofisica, Universitat de Valencia, E-46100 Burjassot, Valencia, Spain. ; Max-Planck-Institut fur Radioastronomie, D-53121 Bonn, Germany. ; Dr. Remeis-Sternwarte Bamberg, Astronomisches Institut der Universitat Erlangen-Nurnberg, ECAP, D-96049 Bamberg, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25378461" target="_blank"〉PubMed〈/a〉