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201. Detection of VHE ��-rays from HESS J0632+057 during the 2011 February X-ray outburst with the MAGIC Telescopes

Author: The MAGIC Collaboration, Aleksi��, J., Alvarez, E. A., Antonelli, L. A., Antoranz, P., Asensio, M., Backes, M., de Almeida, U. Barres, Barrio, J. A., Bastieri, D., Gonz��lez, J. Becerra, Bednarek, W., Berger, K., Bernardini, E., Biland, A., Blanch, O., Bock, R. K., Boller, A., Bonnoli, G., Tridon, D. Borla, Bosch-Ramon, V., Bretz, T., Ca��ellas, A., Carmona, E., Carosi, A., Colin, P., Colombo, E., Contreras, J. L., Cortina, J., Cossio, L., Covino, S., Da Vela, P., Dazzi, F., De Angelis, A., De Caneva, G., del Pozo, E. De Cea, De Lotto, B., Mendez, C. Delgado, Ortega, A. Diago, Doert, M., Dom��nguez, A., Prester, D. Dominis, Dorner, D., Doro, M., Eisenacher, D., Elsaesser, D., Ferenc, D., Fonseca, M. V., Font, L., Fruck, C., L��pez, R. J. Garc��a, Garczarczyk, M., Terrats, D. Garrido, Giavitto, G., Godinovi��, N., Mu��oz, A. Gonz��lez, Gozzini, S. R., Hadasch, D., H��fner, D., Herrero, A., Hildebrand, D., Hose, J., Hrupec, D., Huber, B., Jankowski, F., Jogler, T., Kadenius, V., Kellermann, H., Klepser, S., Kr��henb��hl, T., Krause, J., La Barbera, A., Lelas, D., Leonardo, E., Lewandowska, N., Lindfors, E., Lombardi, S., L��pez, M., L��pez-Coto, R., L��pez-Oramas, A., Lorenz, E., Makariev, M., Maneva, G., Mankuzhiyil, N., Mannheim, K., Maraschi, L., Mariotti, M., Mart��nez, M., Mazin, D., Meucci, M., Miranda, J. M., Mirzoyan, R., Mold��n, J., Moralejo, A., Munar-Adrover, P., Niedzwiecki, A., Nieto, D., Nilsson, K., Nowak, N., Orito, R., Paiano, S., Paneque, D., Paoletti, R., Pardo, S., Paredes, J. M., Partini, S., Perez-Torres, M. A., Persic, M., Pilia, M., Pochon, J., Prada, F., Moroni, P. G. Prada, Prandini, E., Gimenez, I. Puerto, Puljak, I., Reichardt, I., Reinthal, R., Rhode, W., Rib��, M., Rico, J., R��gamer, S., Saggion, A., Saito, K., Saito, T. Y., Salvati, M., Satalecka, K., Scalzotto, V., Scapin, V., Schultz, C., Schweizer, T., Shore, S. N., Sillanp��, A., Sitarek, J., Snidaric, I., Sobczynska, D., Spanier, F., Spiro, S., Stamatescu, V., Stamerra, A., Steinke, B., Storz, J., Strah, N., Sun, S., Suri��, T., Takalo, L., Takami, H., Tavecchio, F., Temnikov, P., Terzi��, T., Tescaro, D., Teshima, M., Tibolla, O., Torres, D. F., Treves, A., Uellenbeck, M., Vogler, P., Wagner, R. M., Weitzel, Q., Zabalza, V., Zandanel, F., and Zanin, R.
Subjects: High Energy Astrophysical Phenomena (astro-ph.HE), Astrophysics::High Energy Astrophysical Phenomena, FOS: Physical sciences
Abstract: The very high energy (VHE) ��-ray source HESS J0632+057 has recently been confirmed to be a ��-ray binary. The optical counterpart is the Be star MWC 148, and a compact object of unknown nature orbits it every ~321 d with a high eccentricity of ~0.8. We monitored HESS J0632+057 with the stereoscopic MAGIC telescopes from 2010 October to 2011 March and detected significant VHE ��-ray emission during 2011 February, when the system exhibited an X-ray outburst. We find no ��-ray signal in the other observation periods when the system did not show increased X-ray flux. Thus HESS J0632+057 exhibits ��-ray variability on timescales of the order of one to two months possibly linked to the X-ray outburst that takes place about 100 days after the periastron passage. Furthermore our measurements provide for the first time the ��-ray spectrum down to about 140 GeV and indicate no turnover of the spectrum at low energies. We compare the properties of HESS J0632+057 with the similar ��-ray binary LS I +61 303, and discuss on the possible origin of the multi-wavelength emission of the source, 6 pages and 3 figures, submitted, corresponding authors T. Jogler and P. Munar-Adrover
Published: 2012
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202. MAGIC contributions to the 32nd International Cosmic Ray Conference

Author: Magic, Collaboration, Aleksić, J., Alvarez, E. A., Antonelli, L. A., Antoranz, P., Asensio, M., Backes, M., Barres Almeida, U., Barrio, J. A., Bastieri, D., Becerra González, 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., Cañellas, A., Carmona, E., Carosi, A., Colin, P., Colombo, E., Contreras, J. L., Cortina, J., Cossio, L., Covino, S., Dazzi, F., Angelis, A., Caneva, G., Cea Del Pozo, E., Lotto, B., Delgado Mendez, C., Diago Ortega, A., Doert, M., Domínguez, A., Dominis Prester, D., Dorner, D., Doro, M., Eisenacher, D., Elsaesser, D., Ferenc, D., Fonseca, M. V., Font, L., Fruck, C., García López, R. J., Garczarczyk, M., Garrido, D., Giavitto, G., Godinović, N., Gozzini, S. R., Hadasch, D., Häfner, D., Herrero, A., Hildebrand, D., Höhne-Mönch, D., Hose, J., Hrupec, D., Jogler, T., Kellermann, H., Klepser, S., Krähenbühl, T., Krause, J., Kushida, J., La Barbera, A., Lelas, D., Leonardo, E., Lewandowska, N., Lindfors, E., Lombardi, S., López, M., López, R., López-Oramas, A., Lorenz, E., Makariev, M., Maneva, G., Mankuzhiyil, N., Mannheim, K., Maraschi, L., Marcote, B., Mariotti, M., Martínez, M., Mazin, D., Meucci, M., Miranda, J. M., Mirzoyan, R., Moldón, J., Moralejo, A., Munar-Adrover, P., Niedzwiecki, A., Nieto, D., Nilsson, K., Nowak, N., Orito, R., Paiano, S., Paneque, D., Paoletti, R., Pardo, S., Paredes, J. M., Partini, S., Perez-Torres, M. A., Persic, M., Peruzzo, L., Pilia, M., Pochon, J., Prada, F., Prada Moroni, P. G., Prandini, E., Puerto Gimenez, I., Puljak, I., Reichardt, I., Reinthal, R., Rhode, W., Ribó, M., Rico, J., Rügamer, S., Saggion, A., Saito, K., Saito, T. Y., Salvati, M., Satalecka, K., Scalzotto, V., Scapin, V., Schultz, C., Schweizer, T., Shayduk, M., Shore, S. N., Sillanpää, A., Sitarek, J., Snidaric, I., Sobczynska, D., Spanier, F., Spiro, S., Stamatescu, V., Antonio Stamerra, Steinke, B., Storz, J., Strah, N., Sun, S., Surić, T., Takalo, L., Takami, H., Tavecchio, F., Temnikov, P., Terzić, T., Tescaro, D., Teshima, M., Tibolla, O., Torres, D. F., Treves, A., Uellenbeck, M., Vankov, H., Vogler, P., Wagner, R. M., Weitzel, Q., Zabalza, V., Zandanel, F., and Zanin, R.
Subjects: astro-ph.HE, High Energy Astrophysical Phenomena (astro-ph.HE), FOS: Physical sciences, Astrophysics - High Energy Astrophysical Phenomena
Abstract: Compilation of the papers contributed by the MAGIC collaboration to the 32nd International Cosmic Ray Conference (ICRC 2011), which took place between August 11 and 18, 2011 in Beijing, China. The papers are sorted in 6 categories: Overview and Highlight papers; Instrument, software and techniques; Galactic sources; Extragalactic sources; Multi-wavelength and joint campaigns; Fundamental physics, dark matter and cosmic rays., Comment: Index of the MAGIC conference proceedings at the ICRC 2011 v2: added one missing paper; corrected author list; added affiliations; added ICRC acronym in the abstract
Published: 2011
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203. OBSERVATIONS OF THE CRAB PULSAR BETWEEN 25 AND 100 GeV WITH THE MAGIC I TELESCOPE

Author: MAGIC Collaboration, Aleksi��, J., Alvarez, E. A., Antonelli, L. A., Antoranz, P., Asensio, M., Backes, M., Barrio, J. A., Bastieri, D., Gonz��lez, J. Becerra, Bednarek, W., Berdyugin, A., Berger, K., Bernardini, E., Biland, A., Blanch, O., Bock, R. K., Boller, A., Bonnoli, G., Tridon, D. Borla, Braun, I., Bretz, T., Ca��ellas, A., Carmona, E., Carosi, A., Colin, P., Colombo, E., Contreras, J. L., Cortina, J., Cossio, L., Covino, S., Dazzi, F., De Angelis, A., De Caneva, G., del Pozo, E. De Cea, De Lotto, B., Mendez, C. Delgado, Ortega, A. Diago, Doert, M., Dom��nguez, A., Prester, D. Dominis, Dorner, D., Doro, M., Eisenacher, D., Elsaesser, D., Ferenc, D., Fonseca, M. V., Font, L., Fruck, C., L��pez, R. J. Garc��a, Garczarczyk, M., Garrido, D., Giavitto, G., Godinovi��, N., Hadasch, D., H��fner, D., Herrero, A., Hildebrand, D., H��hne-M��nch, D., Hose, J., Hrupec, D., Jogler, T., Kellermann, H., Klepser, S., Kr��henb��hl, T., Krause, J., Kushida, J., La Barbera, A., Lelas, D., Leonardo, E., Lindfors, E., Lombardi, S., L��pez, M., L��pez-Oramas, A., Lorenz, E., Makariev, M., Maneva, G., Mankuzhiyil, N., Mannheim, K., Maraschi, L., Marcote, B., Mariotti, M., Mart��nez, M., Mazin, D., Meucci, M., Miranda, J. M., Mirzoyan, R., Mold��n, J., Moralejo, A., Munar-Adrover, P., Nieto, D., Nilsson, K., Orito, R., Otte, N., Oya, I., Paneque, D., Paoletti, R., Pardo, S., Paredes, J. M., Partini, S., Perez-Torres, M. A., Persic, M., Peruzzo, L., Pilia, M., Pochon, J., Prada, F., Moroni, P. G. Prada, Prandini, E., Gimenez, I. Puerto, Puljak, I., Reichardt, I., Reinthal, R., Rhode, W., Rib��, M., Rico, J., Rissi, M., R��gamer, S., Saggion, A., Saito, K., Saito, T. Y., Salvati, M., Satalecka, K., Scalzotto, V., Scapin, V., Schultz, C., Schweizer, T., Shayduk, M., Shore, S. N., Sillanp��, A., Sitarek, J., Snidaric, I., Sobczynska, D., Spanier, F., Spiro, S., Stamatescu, V., Stamerra, A., Steinke, B., Storz, J., Strah, N., Suri��, T., Takalo, L., Takami, H., Tavecchio, F., Temnikov, P., Terzi��, T., Tescaro, D., Teshima, M., Tibolla, O., Torres, D. F., Treves, A., Uellenbeck, M., Vankov, H., Vogler, P., Wagner, R. M., Weitzel, Q., Zabalza, V., Zandanel, F., Zanin, R., Hirotani, K., and Universitat de Barcelona
Subjects: GAMMA-RAY PULSARS, PARTICLE-ACCELERATION, POLAR CAPS, FOS: Physical sciences, FERMI-LAT OBSERVATIONS, Astrophysics, 01 natural sciences, Power law, law.invention, Telescope, RAPIDLY SPINNING PULSARS, SLOT GAPS, Raigs gamma, Pulsar, law, 0103 physical sciences, OUTER GAP ACCELERATOR, MAGIC (telescope), HIGH-ENERGY EMISSION, ELECTRIC-FIELD STRUCTURE, POTENTIAL DROPS, 010306 general physics, 010303 astronomy & astrophysics, Physics, High Energy Astrophysical Phenomena (astro-ph.HE), Crab Pulsar, Gamma rays, Order (ring theory), Astronomy and Astrophysics, Gamma rays: stars, pulsars: individual (Crab pulsar, PSR B0531+21), Stars, Estels, Space and Planetary Science, Astrophysics - High Energy Astrophysical Phenomena, Energy (signal processing), Fermi Gamma-ray Space Telescope
Abstract: We report on the observation of $\gamma$-rays above 25\,GeV from the Crab pulsar (PSR B0532+21) using the MAGIC I telescope. Two data sets from observations during the winter period 2007/2008 and 2008/2009 are used. In order to discuss the spectral shape from 100\,MeV to 100\,GeV, one year of public {\it Fermi} Large Area Telescope ({\it Fermi}-LAT) data are also analyzed to complement the MAGIC data. The extrapolation of the exponential cutoff spectrum determined with the Fermi-LAT data is inconsistent with MAGIC measurements, which requires a modification of the standard pulsar emission models. In the energy region between 25 and 100\,GeV, the emission in the P1 phase (from -0.06 to 0.04, location of the main pulse) and the P2 phase (from 0.32 to 0.43, location of the interpulse) can be described by power laws with spectral indices of $-3.1 \pm 1.0_{stat} \pm 0.3_{syst}$ and $-3.5 \pm 0.5_{stat} \pm 0.3_{syst}$, respectively. Assuming an asymmetric Lorentzian for the pulse shape, the peak positions of the main pulse and the interpulse are estimated to be at phases $-0.009 \pm 0.007$ and $0.393 \pm 0.009$, while the full widths at half maximum are $0.025 \pm 0.008$ and $0.053 \pm 0.015$, respectively., Comment: 14 pages, 15 figures, published in Astrophysical Journal
Published: 2011

204. Detection of very-high energy ��-ray emission from NGC 1275 by the MAGIC telescopes

Author: MAGIC Collaboration, Aleksi��, J., Alvarez, E. A., Antonelli, L. A., Antoranz, P., Asensio, M., Backes, M., de Almeida, U. Barres, Barrio, J. A., Bastieri, D., Gonz��lez, J. Becerra, Bednarek, W., Berdyugin, A., Berger, K., Bernardini, E., Biland, A., Blanch, O., Bock, R. K., Boller, A., Bonnoli, G., Tridon, D. Borla, Braun, I., Bretz, T., Ca��ellas, A., Carmona, E., Carosi, A., Colin, P., Colombo, E., Contreras, J. L., Cortina, J., Cossio, L., Covino, S., Dazzi, F., De Angelis, A., De Caneva, G., del Pozo, E. De Cea, De Lotto, B., Mendez, C. Delgado, Ortega, A. Diago, Doert, M., Dom��nguez, A., Prester, D. Dominis, Dorner, D., Doro, M., Eisenacher, D., Elsaesser, D., Ferenc, D., Fonseca, M. V., Font, L., Fruck, C., L��pez, R. J. Garc��a, Garczarczyk, M., Garrido, D., Giavitto, G., Godinovi��, N., Gozzini, S. R., Hadasch, D., H��fner, D., Herrero, A., Hildebrand, D., H��hne-M��nch, D., Hose, J., Hrupec, D., Jogler, T., Kellermann, H., Klepser, S., Kr��henb��hl, T., Krause, J., Kushida, J., La Barbera, A., Lelas, D., Leonardo, E., Lewandowska, N., Lindfors, E., Lombardi, S., L��pez, M., L��pez-Coto, R., L��pez-Oramas, A., Lorenz, E., Makariev, M., Maneva, G., Mankuzhiyil, N., Mannheim, K., Maraschi, L., Mariotti, M., Mart��nez, M., Mazin, D., Meucci, M., Miranda, J. M., Mirzoyan, R., Mold��n, J., Moralejo, A., Munar-Adrover, P., Niedzwiecki, A., Nieto, D., Nilsson, K., Nowak, N., Orito, R., Paiano, S., Paneque, D., Paoletti, R., Pardo, S., Paredes, J. M., Partini, S., Perez-Torres, M. A., Persic, M., Peruzzo, L., Pilia, M., Pochon, J., Prada, F., Moroni, P. G. Prada, Prandini, E., Gimenez, I. Puerto, Puljak, I., Reichardt, I., Reinthal, R., Rhode, W., Rib��, M., Rico, J., R��gamer, S., Saggion, A., Saito, K., Saito, T. Y., Salvati, M., Satalecka, K., Scalzotto, V., Scapin, V., Schultz, C., Schweizer, T., Shayduk, M., Shore, S. N., Sillanp��, A., Sitarek, J., Snidaric, I., Sobczynska, D., Spanier, F., Spiro, S., Stamatescu, V., Stamerra, A., Steinke, B., Storz, J., Strah, N., Sun, S., Suri��, T., Takalo, L., Takami, H., Tavecchio, F., Temnikov, P., Terzi��, T., Tescaro, D., Teshima, M., Tibolla, O., Torres, D. F., Treves, A., Uellenbeck, M., Vankov, H., Vogler, P., Wagner, R. M., Weitzel, Q., Zabalza, V., Zandanel, F., Zanin, R., Pfrommer, C., and Pinzke, A.
Subjects: High Energy Astrophysical Phenomena (astro-ph.HE), Astrophysics::High Energy Astrophysical Phenomena, FOS: Physical sciences
Abstract: We report on the detection of very-high energy (VHE, E>100 GeV) gamma-ray emission from NGC 1275, the central radio galaxy of the Perseus cluster of galaxies. The source has been detected by the MAGIC telescopes with a statistical significance of 6.6 sigma above 100 GeV in 46 hr of stereo observations carried out between August 2010 and February 2011. The measured differential energy spectrum between 70 GeV and 500 GeV can be described by a power law with a steep spectral index of ��=-4.1+/-0.7stat+/-0.3syst, and the average flux above 100 GeV is F_{gamma}=(1.3+/-0.2stat+/-0.3syst) x 10^-11 cm^-2 s^-1. These results, combined with the power-law spectrum measured in the first two years of observations by the Fermi-LAT above 100 MeV, with a spectral index of Gamma ~ -2.1, strongly suggest the presence of a break or cut-off around tens of GeV in the NGC 1275 spectrum. The light curve of the source above 100 GeV does not show hints of variability on a month time scale. Finally, we report on the nondetection in the present data of the radio galaxy IC 310, previously discovered by the Fermi-LAT and MAGIC. The derived flux upper limit F^{U.L.}_{gamma} (>300 GeV)=1.2 x 10^-12 cm^-2 s^-1 is a factor ~ 3 lower than the mean flux measured by MAGIC between October 2009 and February 2010, thus confirming the year time-scale variability of the source at VHE., Corresponding authors are S. Lombardi, P. Colin, D. Hildebrand, and F. Zandanel. Published in A&A; 4 pages, 4 figures
Published: 2011
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205. MAGIC discovery of Very High Energy Emission from the FSRQ PKS 1222+21

Author: Aleksic, J., Antonelli, L.-A., Antoranz, P., Backes, M., Barrio, J. A., Bastieri, D., Becerra González, J., Bednarek, W., Berdyugin, A., Berger, K., Bernardini, E., Hadasch, D., Häfner, D., Herrero, A., Hildebrand, D., Höhne-Mönch, D., Hose, J., Hrupec, D., Huber, B., Jogler, T., Klepser, S., Prada, F., Krähenbühl, T., Krause, J., La Barbera, A., Lelas, D., Leonardo, E., Lindfors, E., Lombardi, S., López, M., Lorenz, E., MAGIC Collaboration, Prada Moroni, P. G., Makariev, M., Maneva, G., Mankuzhiyil, N., Mannheim, K., Maraschi, L., Mariotti, M., Martínez, M., Mazin, D., Meucci, M., Miranda, J. M., Prandini, E., Mirzoyan, R., Miyamoto, H., Moldón, J., Moralejo, A., Nieto, D., Nilsson, K., Orito, R., Oya, I., Paneque, D., Paoletti, R., Puljak, I., Pardo, S., Paredes, J. M., Partini, S., Pasanen, M., Pauss, F., Perez-Torres, M. A., Persic, M., Peruzzo, L., Pilia, M., Pochon, J., Reichardt, I., Reinthal, R., Rhode, W., Ribó, M., Rico, J., Rügamer, S., Biland, A., Saggion, A., Saito, K., Saito, T. Y., Salvati, M., Satalecka, K., Scalzotto, V., Scapin, V., Schultz, C., Schweizer, T., Shayduk, M., Blanch, O., Shore, S. N., Sillanpää, A., Sitarek, J., Sobczynska, D., Spanier, F., Spiro, S., Stamerra, A., Steinke, B., Storz, J., Strah, N., Bock, R. K., Suric, T., Takalo, L., Tanaka, Y. T., Tavecchio, F., Temnikov, P., Terzic, T., Tescaro, D., Teshima, M., Thom, M., Tibolla, O., Boller, A., Torres, D. F., Treves, A., Vankov, H., Vogler, P., Wagner, R. M., Weitzel, Q., Wood, D. L., Zabalza, V., Zandanel, F., Zanin, R., Bonnoli, G., Borla Tridon, D., Braun, I., Bretz, T., Buson, S., Cañellas, 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., Delgado Mendez, C., De Lotto, B., Diago Ortega, A., Doert, M., Domínguez, A., Dominis Prester, D., Dorner, D., Doro, M., Elsaesser, D., Ferenc, D., Fonseca, M. V., Font, L., Fruck, C., García López, R. J., Garczarczyk, M., Garrido, D., Giavitto, G., Godinovic, N., and Universitat de Barcelona
Subjects: ACTIVE GALACTIC NUCLEI, Raigs còsmics, Astrophysics::High Energy Astrophysical Phenomena, galaxies: active, Flux, Astrophysics, cosmic background radiation, Astrophysics::Cosmology and Extragalactic Astrophysics, 01 natural sciences, 7. Clean energy, galaxies: jets, gamma rays: galaxies, quasars: individual: PKS 1222+21, Spectral line, UPPER LIMITS, 0103 physical sciences, SPECTRA, MAGIC (telescope), 010303 astronomy & astrophysics, Cosmic rays, Quasars, Cherenkov radiation, Quàsars, Physics, 010308 nuclear & particles physics, GAMMA-RAY ABSORPTION, CONSTRAINTS, Astronomy and Astrophysics, Quasar, BLAZARS, 3C 279, EXTRAGALACTIC BACKGROUND LIGHT, Crab Nebula, Extragalactic background light, 13. Climate action, Space and Planetary Science, Galàxies actives, Active galaxies, RELATIVISTIC JETS, RADIATION, ddc:520, High Energy Physics::Experiment, Electrónica, Física nuclear, Electricidad, Fermi Gamma-ray Space Telescope
Abstract: Very high energy (VHE) gamma-ray emission from the flat spectrum radio quasar (FSRQ) PKS 1222+ 21 (4C 21.35, z = 0.432) was detected with the MAGIC Cherenkov telescopes during a short observation (similar to 0.5 hr) performed on 2010 June 17. The MAGIC detection coincides with high-energy MeV/ GeV gamma-ray activity measured by the Large Area Telescope (LAT) on board the Fermi satellite. The VHE spectrum measured by MAGIC extends from about 70 GeV up to at least 400 GeV and can be well described by a power-law dN/dE proportional to E-Gamma with a photon index Gamma = 3.75 +/- 0.27(stat) +/- 0.2(syst). The averaged integral flux above 100 GeV is (4.6 +/- 0.5) x 10(-10) cm(-2) s(-1) (similar to 1 Crab Nebula flux). The VHE flux measured by MAGIC varies significantly within the 30 minute exposure implying a flux doubling time of about 10 minutes. The VHE and MeV/GeV spectra, corrected for the absorption by the extragalactic background light (EBL), can be described by a single power law with photon index 2.72 +/- 0.34 between 3 GeV and 400 GeV, and is consistent with emission belonging to a single component in the jet. The absence of a spectral cutoff constrains the gamma-ray emission region to lie outside the broad-line region, which would otherwise absorb the VHE gamma-rays. Together with the detected fast variability, this challenges present emission models from jets in FSRQs. Moreover, the combined Fermi/LAT and MAGIC spectral data yield constraints on the density of the EBL in the UV-optical to near-infrared range that are compatible with recent models.
Published: 2011

206. Design concepts for the Cherenkov Telescope Array CTA: An advanced facility for ground-based high-energy gamma-ray astronomy

Author: Actis, M. Agnetta, G. Aharonian, F. Akhperjanian, A. Aleksić, J. Aliu, E. Allan, D. Allekotte, I. Antico, F. Antonelli, L.A. Antoranz, P. Aravantinos, A. Arlen, T. Arnaldi, H. Artmann, S. Asano, K. Asorey, H. Bähr, J. Bais, A. Baixeras, C. Bajtlik, S. Balis, D. Bamba, A. Barbier, C. Barceló, M. Barnacka, A. Barnstedt, J. de Almeida, U.B. Barrio, J.A. Basso, S. Bastieri, D. Bauer, C. Becerra, J. Becherini, Y. Bechtol, K. Becker, J. Beckmann, V. Bednarek, W. Behera, B. Beilicke, M. Belluso, M. Benallou, M. Benbow, W. Berdugo, J. Berger, K. Bernardino, T. Bernlöhr, K. Biland, A. Billotta, S. Bird, T. Birsin, E. Bissaldi, E. Blake, S. Blanch, O. Bobkov, A.A. Bogacz, L. Bogdan, M. Boisson, C. Boix, J. Bolmont, J. Bonanno, G. Bonardi, A. Bonev, T. Borkowski, J. Botner, O. Bottani, A. Bourgeat, M. Boutonnet, C. Bouvier, A. Brau-Nogué, S. Braun, I. Bretz, T. Briggs, M.S. Brun, P. Brunetti, L. Buckley, J.H. Bugaev, V. Bühler, R. Bulik, T. Busetto, G. Buson, S. Byrum, K. Cailles, M. Cameron, R. Canestrari, R. Cantu, S. Carmona, E. Carosi, A. Carr, J. Carton, P.H. Casiraghi, M. Castarede, H. Catalano, O. Cavazzani, S. Cazaux, S. Cerruti, B. Cerruti, M. Chadwick, P.M. Chiang, J. Chikawa, M. Cieślar, M. Ciesielska, M. Cillis, A. Clerc, C. Colin, P. Colomé, J. Compin, M. Conconi, P. Connaughton, V. Conrad, J. Contreras, J.L. Coppi, P. Corlier, M. Corona, P. Corpace, O. Corti, D. Cortina, J. Costantini, H. Cotter, G. Courty, B. Couturier, S. Covino, S. Croston, J. Cusumano, G. Daniel, M.K. Dazzi, F. Angelis, A.d. de Cea del Pozo, E. de Gouveia Dal Pino, E.M. de Jager, O. de la Calle Pérez, I. de la Vega, G. de Lotto, B. de Naurois, M. de Oña Wilhelmi, E. de Souza, V. Decerprit, B. Deil, C. Delagnes, E. Deleglise, G. Delgado, C. Dettlaff, T. Di Paolo, A. Di Pierro, F. Díaz, C. Dick, J. Dickinson, H. Digel, S.W. Dimitrov, D. Disset, G. Djannati-Ataï, A. Doert, M. Domainko, W. Dorner, D. Doro, M. Dournaux, J.-L. Dravins, D. Drury, L. Dubois, F. Dubois, R. Dubus, G. Dufour, C. Durand, D. Dyks, J. Dyrda, M. Edy, E. Egberts, K. Eleftheriadis, C. Elles, S. Emmanoulopoulos, D. Enomoto, R. Ernenwein, J.-P. Errando, M. Etchegoyen, A. Falcone, A.D. Farakos, K. Farnier, C. Federici, S. Feinstein, F. Ferenc, D. Fillin-Martino, E. Fink, D. Finley, C. Finley, J.P. Firpo, R. Florin, D. Föhr, C. Fokitis, E. Font, L. Fontaine, G. Fontana, A. Förster, A. Fortson, L. Fouque, N. Fransson, C. Fraser, G.W. Fresnillo, L. Fruck, C. Fujita, Y. Fukazawa, Y. Funk, S. Gäbele, W. Gabici, S. Gadola, A. Galante, N. Gallant, Y. García, B. López, R.J.G. Garrido, D. Garrido, L. Gascón, D. Gasq, C. Gaug, M. Gaweda, J. Geffroy, N. Ghag, C. Ghedina, A. Ghigo, M. Gianakaki, E. Giarrusso, S. Giavitto, G. Giebels, B. Giro, E. Giubilato, P. Glanzman, T. Glicenstein, J.-F. Gochna, M. Golev, V. Berisso, M.G. González, A. González, F. Grañena, F. Graciani, R. Granot, J. Gredig, R. Green, A. Greenshaw, T. Grimm, O. Grube, J. Grudzińska, M. Grygorczuk, J. Guarino, V. Guglielmi, L. Guilloux, F. Gunji, S. Gyuk, G. Hadasch, D. Haefner, D. Hagiwara, R. Hahn, J. Hallgren, A. Hara, S. Hardcastle, M.J. Hassan, T. Haubold, T. Hauser, M. Hayashida, M. Heller, R. Henri, G. Hermann, G. Herrero, A. Hinton, J.A. Hoffmann, D. Hofmann, W. Hofverberg, P. Horns, D. Hrupec, D. Huan, H. Huber, B. Huet, J.-M. Hughes, G. Hultquist, K. Humensky, T.B. Huppert, J.-F. Ibarra, A. Illa, J.M. Ingjald, J. Inoue, Y. Inoue, S. Ioka, K. Jablonski, C. Jacholkowska, A. Janiak, M. Jean, P. Jensen, H. Jogler, T. Jung, I. Kaaret, P. Kabuki, S. Kakuwa, J. Kalkuhl, C. Kankanyan, R. Kapala, M. Karastergiou, A. Karczewski, M. Karkar, S. Karlsson, N. Kasperek, J. Katagiri, H. Katarzyński, K. Kawanaka, N. Kȩdziora, B. Kendziorra, E. Khélifi, B. Kieda, D. Kifune, T. Kihm, T. Klepser, S. Kluźniak, W. Knapp, J. Knappy, A.R. Kneiske, T. Knödlseder, J. Köck, F. Kodani, K. Kohri, K. Kokkotas, K. Komin, N. Konopelko, A. Kosack, K. Kossakowski, R. Kostka, P. Kotuła, J. Kowal, G. Kozioł, J. Krähenbühl, T. Krause, J. Krawczynski, H. Krennrich, F. Kretzschmann, A. Kubo, H. Kudryavtsev, V.A. Kushida, J. La Barbera, N. La Parola, V. La Rosa, G. López, A. Lamanna, G. Laporte, P. Lavalley, C. Le Flour, T. Le Padellec, A. Lenain, J.-P. Lessio, L. Lieunard, B. Lindfors, E. Liolios, A. Lohse, T. Lombardi, S. Lopatin, A. Lorenz, E. Lubiński, P. Luz, O. Lyard, E. Maccarone, M.C. Maccarone, T. Maier, G. Majumdar, P. Maltezos, S. Małkiewicz, P. Mañá, C. Manalaysay, A. Maneva, G. Mangano, A. Manigot, P. Marín, J. Mariotti, M. Markoff, S. Martínez, G. Martínez, M. Mastichiadis, A. Matsumoto, H. Mattiazzo, S. Mazin, D. McComb, T.J.L. McCubbin, N. McHardy, I. Medina, C. Melkumyan, D. Mendes, A. Mertsch, P. Meucci, M. Michałowski, J. Micolon, P. Mineo, T. Mirabal, N. Mirabel, F. Miranda, J.M. Mirzoyan, R. Mizuno, T. Moal, B. Moderski, R. Molinari, E. Monteiro, I. Moralejo, A. Morello, C. Mori, K. Motta, G. Mottez, F. Moulin, E. Mukherjee, R. Munar, P. Muraishi, H. Murase, K. Murphy, A.S. Nagataki, S. Naito, T. Nakamori, T. Nakayama, K. Naumann, C. Naumann, D. Nayman, P. Nedbal, D. Niedźwiecki, A. Niemiec, J. Nikolaidis, A. Nishijima, K. Nolan, S.J. Nowak, N. O'Brien, P.T. Ochoa, I. Ohira, Y. Ohishi, M. Ohka, H. Okumura, A. Olivetto, C. Ong, R.A. Orito, R. Orr, M. Osborne, J.P. Ostrowski, M. Otero, L. Otte, A.N. Ovcharov, E. Oya, I. Oziȩbło, A. Paiano, S. Pallota, J. Panazol, J.L. Paneque, D. Panter, M. Paoletti, R. Papyan, G. Paredes, J.M. Pareschi, G. Parsons, R.D. Arribas, M.P. Pedaletti, G. Pepato, A. Persic, M. Petrucci, P.O. Peyaud, B. Piechocki, W. Pita, S. Pivato, G. Płatos, Ł. Platzer, R. Pogosyan, L. Pohl, M. Pojmański, G. Ponz, J.D. Potter, W. Prandini, E. Preece, R. Prokoph, H. Pühlhofer, G. Punch, M. Quel, E. Quirrenbach, A. Rajda, P. Rando, R. Rataj, M. Raue, M. Reimann, C. Reimann, O. Reimer, A. Reimer, O. Renaud, M. Renner, S. Reymond, J.-M. Rhode, W. Ribó, M. Ribordy, M. Rico, J. Rieger, F. Ringegni, P. Ripken, J. Ristori, P. Rivoire, S. Rob, L. Rodriguez, S. Roeser, U. Romano, P. Romero, G.E. Rosier-Lees, S. Rovero, A.C. Roy, F. Royer, S. Rudak, B. Rulten, C.B. Ruppel, J. Russo, F. Ryde, F. Sacco, B. Saggion, A. Sahakian, V. Saito, K. Saito, T. Sakaki, N. Salazar, E. Salini, A. Sánchez, F. Conde, M.Á.S. Santangelo, A. Santos, E.M. Sanuy, A. Sapozhnikov, L. Sarkar, S. Scalzotto, V. Scapin, V. Scarcioffolo, M. Schanz, T. Schlenstedt, S. Schlickeiser, R. Schmidt, T. Schmoll, J. Schroedter, M. Schultz, C. Schultze, J. Schulz, A. Schwanke, U. Schwarzburg, S. Schweizer, T. Seiradakis, J. Selmane, S. Seweryn, K. Shayduk, M. Shellard, R.C. Shibata, T. Sikora, M. Silk, J. Sillanpää, A. Sitarek, J. Skole, C. Smith, N. Sobczyńska, D. Haro, M.S. Sol, H. Spanier, F. Spiga, D. Spyrou, S. Stamatescu, V. Stamerra, A. Starling, R.L.C. Stawarz, Ł. Steenkamp, R. Stegmann, C. Steiner, S. Stergioulas, N. Sternberger, R. Stinzing, F. Stodulski, M. Straumann, U. Suárez, A. Suchenek, M. Sugawara, R. Sulanke, K.H. Sun, S. Supanitsky, A.D. Sutcliffe, P. Szanecki, M. Szepieniec, T. Szostek, A. Szymkowiak, A. Tagliaferri, G. Tajima, H. Takahashi, H. Takahashi, K. Takalo, L. Takami, H. Talbot, R.G. Tam, P.H. Tanaka, M. Tanimori, T. Tavani, M. Tavernet, J.-P. Tchernin, C. Tejedor, L.A. Telezhinsky, I. Temnikov, P. Tenzer, C. Terada, Y. Terrier, R. Teshima, M. Testa, V. Tibaldo, L. Tibolla, O. Tluczykont, M. Peixoto, C.J.T. Tokanai, F. Tokarz, M. Toma, K. Torres, D.F. Tosti, G. Totani, T. Toussenel, F. Vallania, P. Vallejo, G. van der Walt, J. van Eldik, C. Vandenbroucke, J. Vankov, H. Vasileiadis, G. Vassiliev, V.V. Vegas, I. Venter, L. Vercellone, S. Veyssiere, C. Vialle, J.P. Videla, M. Vincent, P. Vink, J. Vlahakis, N. Vlahos, L. Vogler, P. Vollhardt, A. Volpe, F. von Gunten, H.P. Vorobiov, S. Wagner, S. Wagner, R.M. Wagner, B. Wakely, S.P. Walter, P. Walter, R. Warwick, R. Wawer, P. Wawrzaszek, R. Webb, N. Wegner, P. Weinstein, A. Weitzel, Q. Welsing, R. Wetteskind, H. White, R. Wierzcholska, A. Wilkinson, M.I. Williams, D.A. Winde, M. Wischnewski, R. Wiśniewski, Ł. Wolczko, A. Wood, M. Xiong, Q. Yamamoto, T. Yamaoka, K. Yamazaki, R. Yanagita, S. Yoffo, B. Yonetani, M. Yoshida, A. Yoshida, T. Yoshikoshi, T. Zabalza, V. Zagdański, A. Zajczyk, A. Zdziarski, A. Zech, A. Ziȩtara, K. Ziółkowski, P. Zitelli, V. Zychowski, P.
Subjects: Astrophysics::High Energy Astrophysical Phenomena, Astrophysics::Instrumentation and Methods for Astrophysics
Abstract: Ground-based gamma-ray astronomy has had a major breakthrough with the impressive results obtained using systems of imaging atmospheric Cherenkov telescopes. Ground-based gamma-ray astronomy has a huge potential in astrophysics, particle physics and cosmology. CTA is an international initiative to build the next generation instrument, with a factor of 5-10 improvement in sensitivity in the 100 GeV-10 TeV range and the extension to energies well below 100 GeV and above 100 TeV. CTA will consist of two arrays (one in the north, one in the south) for full sky coverage and will be operated as open observatory. The design of CTA is based on currently available technology. This document reports on the status and presents the major design concepts of CTA. © 2011 The Author(s).
Published: 2011

207. Magic Constraints on γ-ray Emission from Cygnus X-3

Author: Aleksic, J, Antonelli, La, Antoranz, P, Backes, M, Baixeras, C, Barrio, Ja, Bastieri, Denis, Gonzalez, Jb, Bednarek, W, Berdyugin, A, Berger, K, Bernardini, E, Biland, A, Blanch, O, Bock, Rk, Boller, A, Bonnoli, G, Bordas, P, Tridon, Db, BOSCH RAMON, V, Bose, D, Braun, I, Bretz, T, Britzger, D, Camara, M, Carmona, E, Carosi, A, Colin, P, Contreras, Jl, Cortina, J, Costado, Mt, Covino, S, Dazzi, F, DE ANGELIS, A, DEL POZO EDC, DE LOTTO, B, DE MARIA, M, DE SABATA, F, Mendez, Cd, Doert, M, Dominguez, A, Prester, Dd, Dorner, D, Doro, Michele, Elsaesser, D, Errando, M, Ferenc, D, Fonseca, Mv, Font, L, Lopez, Rjg, Garczarczyk, M, Gaug, M, Godinovic, N, Goebel, F, Hadasch, D, Herrero, A, Hildebrand, D, HOHNE MONCH, D, Hose, J, Hrupec, D, Hsu, Cc, Jogler, T, Klepser, S, Krahenbuhl, 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, Mose', Martinez, M, Mazin, D, Meucci, M, Miranda, Jm, Mirzoyan, R, Miyamoto, H, Moldon, J, Moles, M, Moralejo, A, Nieto, D, Nilsson, K, Ninkovic, J, Orito, R, Oya, I, Paiano, S, Paoletti, R, Paredes, Jm, Partini, S, Pasanen, M, Pascoli, Donatella, Pauss, F, Pegna, Rg, PEREZ TORRES MA, Persic, M, Peruzzo, L, Prada, F, Prandini, Elisa, Puchades, N, Puljak, I, Reichardt, I, Rhode, W, Ribo, M, Rico, J, Rissi, M, Rugamer, S, Saggion, Antonio, Saito, K, Saito, Ty, Salvati, M, SANCHEZ CONDE, M, Satalecka, K, Scalzotto, VILLI MARIO, Scapin, V, Schultz, C, Schweizer, T, Shayduk, M, Shore, Sn, SIERPOWSKA BARTOSIK, A, Sillanpaa, A, Sitarek, J, Sobczynska, D, Spanier, F, Spiro, S, Stamerra, A, Steinke, B, Struebig, Jc, Suric, T, Takalo, L, Tavecchio, F, Temnikov, P, Terzic, T, Tescaro, D, Teshima, M, Torres, Df, Vankov, H, Wagner, Rm, Weitzel, Q, Zabalza, V, Zandanel, F, Zanin, R, Bulgarelli, A, MAX MOERBECK, W, Piano, G, Pooley, G, Readhead, Acs, Richards, Jl, Sabatini, S, Striani, E, Tavani, M, Trushkin, S., J., Aleksic, L. A., Antonelli, P., Antoranz, M., Backe, C., Baixera, J. A., Barrio, D., Bastieri, J. B., Gonzalez, W., Bednarek, A., Berdyugin, K., Berger, E., Bernardini, A., Biland, O., Blanch, R. K., Bock, A., Boller, G., Bonnoli, P., Borda, D. B., Tridon, V., Bosch Ramon, D., Bose, I., Braun, T., Bretz, D., Britzger, M., Camara, E., Carmona, A., Carosi, P., Colin, J. L., Contrera, J., Cortina, M. T., Costado, S., Covino, F., Dazzi, A. D., Angeli, E. D. C., Del Pozo, B. D., Lotto, M. D., Maria, F. D., Sabata, C. D., Mendez, M., Doert, A., Dominguez, D. D., Prester, D., Dorner, M., Doro, D., Elsaesser, M., Errando, D., Ferenc, M. V., Fonseca, L., Font, R. J. G., Lopez, M., Garczarczyk, M., Gaug, N., Godinovic, F., Goebel, D., Hadasch, A., Herrero, D., Hildebrand, D., Hohne Monch, J., Hose, D., Hrupec, C. C., Hsu, T., Jogler, S., Klepser, T., Krahenbuhl, D., Kranich, A. L., Barbera, A., Laille, E., Leonardo, E., Lindfor, S., Lombardi, Longo, Francesco, M., Lopez, E., Lorenz, P., Majumdar, G., Maneva, N., Mankuzhiyil, K., Mannheim, L., Maraschi, M., Mariotti, M., Martinez, D., Mazin, M., Meucci, J. M., Miranda, R., Mirzoyan, H., Miyamoto, J., Moldon, M., Mole, A., Moralejo, D., Nieto, K., Nilsson, J., Ninkovic, R., Orito, I., Oya, S., Paiano, R., Paoletti, J. M., Parede, S., Partini, M., Pasanen, D., Pascoli, F., Pau, R. G., Pegna, M. A., Perez Torre, M., Persic, L., Peruzzo, F., Prada, E., Prandini, N., Puchade, I., Puljak, I., Reichardt, W., Rhode, M., Ribo, J., Rico, M., Rissi, S., Rugamer, A., Saggion, K., Saito, T. Y., Saito, M., Salvati, M., Sanchez Conde, K., Satalecka, V., Scalzotto, V., Scapin, C., Schultz, T., Schweizer, M., Shayduk, S. N., Shore, A., Sierpowska Bartosik, A., Sillanpaa, J., Sitarek, D., Sobczynska, F., Spanier, S., Spiro, A., Stamerra, B., Steinke, J. C., Struebig, T., Suric, L., Takalo, F., Tavecchio, P., Temnikov, T., Terzic, D., Tescaro, M., Teshima, D. F., Torre, H., Vankov, R. M., Wagner, Q., Weitzel, V., Zabalza, F., Zandanel, R., Zanin, A., Bulgarelli, W., Max Moerbeck, G., Piano, G., Pooley, A. C. S., Readhead, J. L., Richard, S., Sabatini, E., Striani, M., Tavani, and S., Trushkin
Subjects: Photon, HIGH-ENERGY EMISSION, MICROQUASAR GRS 1915+105, X-RAY, RELATIVISTIC JET, CYG X-3, RADIO OUTBURST, CRAB-NEBULA, BINARY, TELESCOPE, PULSAR, Astrophysics, 01 natural sciences, law.invention, Raigs gamma, law, Observacions astronòmiques, 010303 astronomy & astrophysics, Estels binaris de raigs X, Physics, High Energy Astrophysical Phenomena (astro-ph.HE), Very High Energy Gamma-ray Astronomy, MAGIC telescope, Black Holes, Gamma ray, X-ray binaries, Electrónica, Física nuclear, Radio frequency, Electricidad, Astrophysics - High Energy Astrophysical Phenomena, Astronomical observations, Astrophysics::High Energy Astrophysical Phenomena, FOS: Physical sciences, Astrophysics::Cosmology and Extragalactic Astrophysics, Compact star, Radiation, gamma ray astronomy, Cosmic rays, IMAGING CHERENKOV DETECTOR, Telescope, 0103 physical sciences, acceleration of particles, binaries: general, gamma rays: observations, X-rays: bina- ries — X-rays: individual (Cygnus X-3), Cherenkov radiation, Astrophysics::Galaxy Astrophysics, 010308 nuclear & particles physics, Gamma rays, Magic (programming), Astronomy, Astronomy and Astrophysics, Space and Planetary Science
Abstract: Cygnus X-3 is a microquasar consisting of an accreting compact object orbiting around a Wolf-Rayet star. It has been detected at radio frequencies and up to high-energy gamma rays (above 100 MeV). However, many models also predict a very high energy (VHE) emission (above hundreds of GeV) when the source displays relativistic persistent jets or transient ejections. Therefore, detecting such emission would improve the understanding of the jet physics. The imaging atmospheric Cherenkov telescope MAGIC observed Cygnus X-3 for about 70 hours between 2006 March and 2009 August in different X-ray/radio spectral states and also during a period of enhanced gamma-ray emission. MAGIC found no evidence for a VHE signal from the direction of the microquasar. An upper limit to the integral flux for energies higher than 250 GeV has been set to 2.2 x 10-12 photons cm-2 s-1 (95% confidence level). This is the best limit so far to the VHE emission from this source. The non-detection of a VHE signal during the period of activity in the high-energy band sheds light on the location of the possible VHE radiation favoring the emission from the innermost region of the jets, where absorption is significant. The current and future generations of Cherenkov telescopes may detect a signal under precise spectral conditions., 14 pages, 11 figures, This manuscript has been accepted by ApJ (2010)
Published: 2010

208. PSR J1906+0722: AN ELUSIVE GAMMA-RAY PULSAR

Author: Clark, C. J., primary, Pletsch, H. J., additional, Wu, J., additional, Guillemot, L., additional, Ackermann, M., additional, Allen, B., additional, Angelis, A. de, additional, Aulbert, C., additional, Baldini, L., additional, Ballet, J., additional, Barbiellini, G., additional, Bastieri, D., additional, Bellazzini, R., additional, Bissaldi, E., additional, Bock, O., additional, Bonino, R., additional, Bottacini, E., additional, Brandt, T. J., additional, Bregeon, J., additional, Bruel, P., additional, Buson, S., additional, Caliandro, G. A., additional, Cameron, R. A., additional, Caragiulo, M., additional, Caraveo, P. A., additional, Cecchi, C., additional, Champion, D. J., additional, Charles, E., additional, Chekhtman, A., additional, Chiang, J., additional, Chiaro, G., additional, Ciprini, S., additional, Claus, R., additional, Cohen-Tanugi, J., additional, Cuéllar, A., additional, Cutini, S., additional, D’Ammando, F., additional, Desiante, R., additional, Drell, P. S., additional, Eggenstein, H. B., additional, Favuzzi, C., additional, Fehrmann, H., additional, Ferrara, E. C., additional, Focke, W. B., additional, Franckowiak, A., additional, Fusco, P., additional, Gargano, F., additional, Gasparrini, D., additional, Giglietto, N., additional, Giordano, F., additional, Glanzman, T., additional, Godfrey, G., additional, Grenier, I. A., additional, Grove, J. E., additional, Guiriec, S., additional, Harding, A. K., additional, Hays, E., additional, Hewitt, J. W., additional, Hill, A. B., additional, Horan, D., additional, Hou, X., additional, Jogler, T., additional, Johnson, A. S., additional, Jóhannesson, G., additional, Kramer, M., additional, Krauss, F., additional, Kuss, M., additional, Laffon, H., additional, Larsson, S., additional, Latronico, L., additional, Li, J., additional, Li, L., additional, Longo, F., additional, Loparco, F., additional, Lovellette, M. N., additional, Lubrano, P., additional, Machenschalk, B., additional, Manfreda, A., additional, Marelli, M., additional, Mayer, M., additional, Mazziotta, M. N., additional, Michelson, P. F., additional, Mizuno, T., additional, Monzani, M. E., additional, Morselli, A., additional, Moskalenko, I. V., additional, Murgia, S., additional, Nuss, E., additional, Ohsugi, T., additional, Orienti, M., additional, Orlando, E., additional, Palma, F. de, additional, Paneque, D., additional, Pesce-Rollins, M., additional, Piron, F., additional, Pivato, G., additional, Rainò, S., additional, Rando, R., additional, Razzano, M., additional, Reimer, A., additional, Parkinson, P. M. Saz, additional, Schaal, M., additional, Schulz, A., additional, Sgrò, C., additional, Siskind, E. J., additional, Spada, F., additional, Spandre, G., additional, Spinelli, P., additional, Suson, D. J., additional, Takahashi, H., additional, Thayer, J. B., additional, Tibaldo, L., additional, Torne, P., additional, Torres, D. F., additional, Tosti, G., additional, Troja, E., additional, Vianello, G., additional, Wood, K. S., additional, Wood, M., additional, and Yassine, M., additional
Published: 2015
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209. GAMMA-RAY FLARING ACTIVITY FROM THE GRAVITATIONALLY LENSED BLAZAR PKS 1830–211 OBSERVED BYFermiLAT

Author: Abdo, A. A., primary, Ackermann, M., additional, Ajello, M., additional, Allafort, A., additional, Amin, M. A., additional, Baldini, L., additional, Barbiellini, G., additional, Bastieri, D., additional, Bechtol, K., additional, Bellazzini, R., additional, Blandford, R. D., additional, Bonamente, E., additional, Borgland, A. W., additional, Bregeon, J., additional, Brigida, M., additional, Buehler, R., additional, Bulmash, D., additional, Buson, S., additional, Caliandro, G. A., additional, Cameron, R. A., additional, Caraveo, P. A., additional, Cavazzuti, E., additional, Cecchi, C., additional, Charles, E., additional, Cheung, C. C., additional, Chiang, J., additional, Chiaro, G., additional, Ciprini, S., additional, Claus, R., additional, Cohen-Tanugi, J., additional, Conrad, J., additional, Corbet, R. H. D., additional, Cutini, S., additional, D'Ammando, F., additional, de Angelis, A., additional, de Palma, F., additional, Dermer, C. D., additional, Drell, P. S., additional, Drlica-Wagner, A., additional, Favuzzi, C., additional, Finke, J., additional, Focke, W. B., additional, Fukazawa, Y., additional, Fusco, P., additional, Gargano, F., additional, Gasparrini, D., additional, Gehrels, N., additional, Giglietto, N., additional, Giordano, F., additional, Giroletti, M., additional, Glanzman, T., additional, Grenier, I. A., additional, Grove, J. E., additional, Guiriec, S., additional, Hadasch, D., additional, Hayashida, M., additional, Hays, E., additional, Hughes, R. E., additional, Inoue, Y., additional, Jackson, M. S., additional, Jogler, T., additional, Jóhannesson, G., additional, Johnson, A. S., additional, Kamae, T., additional, Knödlseder, J., additional, Kuss, M., additional, Lande, J., additional, Larsson, S., additional, Latronico, L., additional, Longo, F., additional, Loparco, F., additional, Lott, B., additional, Lovellette, M. N., additional, Lubrano, P., additional, Madejski, G. M., additional, Mazziotta, M. N., additional, Mehault, J., additional, Michelson, P. F., additional, Mizuno, T., additional, Monzani, M. E., additional, Morselli, A., additional, Moskalenko, I. V., additional, Murgia, S., additional, Nemmen, R., additional, Nuss, E., additional, Ohno, M., additional, Ohsugi, T., additional, Paneque, D., additional, Perkins, J. S., additional, Pesce-Rollins, M., additional, Piron, F., additional, Pivato, G., additional, Porter, T. A., additional, Rainò, S., additional, Rando, R., additional, Razzano, M., additional, Reimer, A., additional, Reimer, O., additional, Reyes, L. C., additional, Ritz, S., additional, Romoli, C., additional, Roth, M., additional, Saz Parkinson, P. M., additional, Sgrò, C., additional, Siskind, E. J., additional, Spandre, G., additional, Spinelli, P., additional, Takahashi, H., additional, Takeuchi, Y., additional, Tanaka, T., additional, Thayer, J. G., additional, Thayer, J. B., additional, Thompson, D. J., additional, Tibaldo, L., additional, Tinivella, M., additional, Torres, D. F., additional, Tosti, G., additional, Troja, E., additional, Tronconi, V., additional, Usher, T. L., additional, Vandenbroucke, J., additional, Vasileiou, V., additional, Vianello, G., additional, Vitale, V., additional, Waite, A. P., additional, Werner, M., additional, Winer, B. L., additional, and Wood, K. S., additional
Published: 2015
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210. THE SPECTRUM OF ISOTROPIC DIFFUSE GAMMA-RAY EMISSION BETWEEN 100 MeV AND 820 GeV

Author: Ackermann, M., primary, Ajello, M., additional, Albert, A., additional, Atwood, W. B., additional, Baldini, L., additional, Ballet, J., additional, Barbiellini, G., additional, Bastieri, D., additional, Bechtol, K., additional, Bellazzini, R., additional, Bissaldi, E., additional, Blandford, R. D., additional, Bloom, E. D., additional, Bottacini, E., additional, Brandt, T. J., additional, Bregeon, J., additional, Bruel, P., additional, Buehler, R., additional, Buson, S., additional, Caliandro, G. A., additional, Cameron, R. A., additional, Caragiulo, M., additional, Caraveo, P. A., additional, Cavazzuti, E., additional, Cecchi, C., additional, Charles, E., additional, Chekhtman, A., additional, Chiang, J., additional, Chiaro, G., additional, Ciprini, S., additional, Claus, R., additional, Cohen-Tanugi, J., additional, Conrad, J., additional, Cuoco, A., additional, Cutini, S., additional, D'Ammando, F., additional, de Angelis, A., additional, de Palma, F., additional, Dermer, C. D., additional, Digel, S. W., additional, do Couto e Silva, E., additional, Drell, P. S., additional, Favuzzi, C., additional, Ferrara, E. C., additional, Focke, W. B., additional, Franckowiak, A., additional, Fukazawa, Y., additional, Funk, S., additional, Fusco, P., additional, Gargano, F., additional, Gasparrini, D., additional, Germani, S., additional, Giglietto, N., additional, Giommi, P., additional, Giordano, F., additional, Giroletti, M., additional, Godfrey, G., additional, Gomez-Vargas, G. A., additional, Grenier, I. A., additional, Guiriec, S., additional, Gustafsson, M., additional, Hadasch, D., additional, Hayashi, K., additional, Hays, E., additional, Hewitt, J. W., additional, Ippoliti, P., additional, Jogler, T., additional, Jóhannesson, G., additional, Johnson, A. S., additional, Johnson, W. N., additional, Kamae, T., additional, Kataoka, J., additional, Knödlseder, J., additional, Kuss, M., additional, Larsson, S., additional, Latronico, L., additional, Li, J., additional, Li, L., additional, Longo, F., additional, Loparco, F., additional, Lott, B., additional, Lovellette, M. N., additional, Lubrano, P., additional, Madejski, G. M., additional, Manfreda, A., additional, Massaro, F., additional, Mayer, M., additional, Mazziotta, M. N., additional, McEnery, J. E., additional, Michelson, P. F., additional, Mitthumsiri, W., additional, Mizuno, T., additional, Moiseev, A. A., additional, Monzani, M. E., additional, Morselli, A., additional, Moskalenko, I. V., additional, Murgia, S., additional, Nemmen, R., additional, Nuss, E., additional, Ohsugi, T., additional, Omodei, N., additional, Orlando, E., additional, Ormes, J. F., additional, Paneque, D., additional, Panetta, J. H., additional, Perkins, J. S., additional, Pesce-Rollins, M., additional, Piron, F., additional, Pivato, G., additional, Porter, T. A., additional, Rainò, S., additional, Rando, R., additional, Razzano, M., additional, Razzaque, S., additional, Reimer, A., additional, Reimer, O., additional, Reposeur, T., additional, Ritz, S., additional, Romani, R. W., additional, Sánchez-Conde, M., additional, Schaal, M., additional, Schulz, A., additional, Sgrò, C., additional, Siskind, E. J., additional, Spandre, G., additional, Spinelli, P., additional, Strong, A. W., additional, Suson, D. J., additional, Takahashi, H., additional, Thayer, J. G., additional, Thayer, J. B., additional, Tibaldo, L., additional, Tinivella, M., additional, Torres, D. F., additional, Tosti, G., additional, Troja, E., additional, Uchiyama, Y., additional, Vianello, G., additional, Werner, M., additional, Winer, B. L., additional, Wood, K. S., additional, Wood, M., additional, Zaharijas, G., additional, and Zimmer, S., additional
Published: 2015
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211. Simultaneous Multiwavelength observation of Mkn 501 in a low state in 2006

Author: Anderhub, H., Antonelli, L. A., Bednarek, W., Peruzzo, L., Prada, F., Prandini, E., Puchades, N., Reichardt, I., Rhode, W., Ribó, M., Rico, J., Rissi, M., Robert, A., Berger, K., Rügamer, S., Saggion, A., Saito, T. Y., Salvati, M., Sanchez-Conde, M., Satalecka, K., Scalzotto, V., Scapin, V., Schweizer, T., Shayduk, M., Bernardini, E., Shore, S. N., Sidro, N., Sierpowska-Bartosik, A., Sillanpää, A., Sitarek, J., Sobczynska, D., Spanier, F., Stamerra, A., Stark, L. S., Takalo, L., Biland, A., Tavecchio, F., Temnikov, P., Tescaro, D., Teshima, M., Tluczykont, M., Torres, D. F., Turini, N., Vankov, H., Wagner, R. M., Wittek, W., Bock, R. K., Zabalza, V., Zandanel, F., Zanin, R., Zapatero, J., Sato, R., Ushio, M., Kataoka, J., Madejski, G., Takahashi, T., MAGIC Collaboration, Bonnoli, G., Bordas, P., Tridon, D. Borla, Bosch-Ramon, V., Bose, D., Antoranz, P., Braun, I., Bretz, T., Britvitch, I., Camara, M., Carmona, E., Commichau, S., Contreras, J. L., Cortina, J., Costado, M. T., Covino, S., Backes, M., Curtef, V., Dazzi, F., De Angelis, A., Pozo, E. De Cea del, Reyes, R. de los, De Lotto, B., De Maria, M., De Sabata, F., Mendez, C. Delgado, Dominguez, A., Baixeras, C., Dorner, D., Doro, M., Elsaesser, D., Errando, M., Ferenc, D., Fernández, E., Firpo, R., Fonseca, M. V., Font, L., Galante, N., Balestra, S., López, R. J. García, Garczarczyk, M., Gaug, M., Goebel, F., Hadasch, D., Hayashida, M., Herrero, A., Hildebrand, D., Höhne-Mönch, D., Hose, J., Barrio, J. A., Hsu, C. C., Jogler, T., Kranich, D., Barbera, A. La, Laille, A., Leonardo, E., Lindfors, E., Lombardi, S., Longo, F., López, M., Bastieri, D., Lorenz, E., Majumdar, P., Maneva, G., Mankuzhiyil, N., Mannheim, K., Maraschi, L., Mariotti, M., Martínez, M., Mazin, D., Meucci, M., González, J. Becerra, Meyer, M., Miranda, J. M., Mirzoyan, R., Miyamoto, H., Moldón, J., Moles, M., Moralejo, A., Nieto, D., Nilsson, K., Ninkovic, J., Becker, J. K., Otte, N., Oya, I., Paoletti, R., Paredes, J. M., Pasanen, M., Pascoli, D., Pauss, F., Pegna, R. G., Perez-Torres, M. A., Persic, M., H., Anderhub, L. A., Antonelli, P., Antoranz, M., Backe, C., Baixera, S., Balestra, J. A., Barrio, D., Bastieri, J. B., Gonzalez, J. K., Becker, W., Bednarek, K., Berger, E., Bernardini, A., Biland, R. K., Bock, G., Bonnoli, P., Borda, D. B., Tridon, V., Bosch Ramon, D., Bose, I., Braun, T., Bretz, I., Britvitch, M., Camara, E., Carmona, S., Commichau, J. L., Contrera, J., Cortina, M. T., Costado, S., Covino, V., Curtef, F., Dazzi, A. D., Angeli, E. D., del Pozo, R. d., los Reye, B. D., Lotto, M. D., Maria, F. D., Sabata, C. D., Mendez, A., Dominguez, D., Dorner, M., Doro, D., Elsaesser, M., Errando, D., Ferenc, E., Fernandez, R., Firpo, M. V., Fonseca, L., Font, N., Galante, R. J. G., Lopez, M., Garczarczyk, M., Gaug, F., Goebel, D., Hadasch, M., Hayashida, A., Herrero, D., Hildebrand, D., Hohne Monch, J., Hose, C. C., Hsu, T., Jogler, D., Kranich, A. L., Barbera, A., Laille, E., Leonardo, E., Lindfor, S., Lombardi, Longo, Francesco, M., Lopez, E., Lorenz, P., Majumdar, G., Maneva, N., Mankuzhiyil, K., Mannheim, L., Maraschi, M., Mariotti, M., Martinez, D., Mazin, M., Meucci, M., Meyer, J. M., Miranda, R., Mirzoyan, H., Miyamoto, J., Moldon, M., Mole, A., Moralejo, D., Nieto, K., Nilsson, J., Ninkovic, N., Otte, I., Oya, R., Paoletti, J. M., Parede, M., Pasanen, D., Pascoli, F., Pau, G., Pegna, M. A., Perez Torre, M., Persic, L., Peruzzo, F., Prada, E., Prandini, N., Puchade, I., Reichardt, W., Rhode, M., Ribo, J., Rico, M., Rissi, A., Robert, S., Rugamer, 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., Sillanpaa, J., Sitarek, D., Sobczynska, F., Spanier, A., Stamerra, L. S., Stark, L., Takalo, F., Tavecchio, P., Temnikov, D., Tescaro, M., Teshima, M., Tluczykont, D. F., Torre, N., Turini, H., Vankov, R. M., Wagner, W., Wittek, V., Zabalza, F., Zandanel, R., Zanin, J., Zapatero, R., Sato, M., Ushio, J., Kataoka, G., Madejski, T., Takahashi, and Universitat de Barcelona
Subjects: GAMMA-RAY OBSERVATION, Photon, PARTICLE-ACCELERATION, Flux, Astrophysics, Electron, 01 natural sciences, Spectral line, Raigs gamma, Observacions astronòmiques, TEV BLAZAR, MAGIC (telescope), 010303 astronomy & astrophysics, Physics, High Energy Astrophysical Phenomena (astro-ph.HE), Very High Energy Gamma-ray Astronomy, MAGIC telescope, Active Galactic Nuclei, Lorentz factor, symbols, Electrónica, Física nuclear, Raigs X, Electricidad, Astrophysics - High Energy Astrophysical Phenomena, Astrophysics - Cosmology and Nongalactic Astrophysics, Astronomical observations, ACTIVE GALACTIC NUCLEI, Cosmology and Nongalactic Astrophysics (astro-ph.CO), GALAXY MARKARIAN-421, Astrophysics::High Energy Astrophysical Phenomena, FOS: Physical sciences, BL-LACERTAE OBJECTS, HIGH-ENERGY EMISSION, X-RAY, LAC OBJECTS, PHYSICAL PARAMETERS, symbols.namesake, 0103 physical sciences, X-rays, Blazar, 010308 nuclear & particles physics, Gamma rays, Astronomy and Astrophysics, Galaxies, Galàxies, Crab Nebula, Space and Planetary Science, ddc:520
Abstract: 著者人数：149名, Accepted: 2009-09-28, 資料番号: SA1000976000
Published: 2009
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212. PERIODIC VERY HIGH ENERGY gamma-RAY EMISSION FROM LS I+61 degrees 303 OBSERVED WITH THE MAGIC TELESCOPE RID B-5372-2009

Author: Albert, J, Aliu, E, Anderhub, H, Antonelli, La, Antoranz, P, Backes, M, Baixeras, C, Barrio, Ja, Bartko, H, Bastieri, D, Becker, Jk, Bednarek, W, Berger, K, Bernardini, E, Bigongiari, C, Biland, A, Bock, Rk, Bonnoli, G, Bordas, P, Bosch Ramon, V, Bretz, T, Britvitch, I, Camara, M, Carmona, E, Chilingarian, A, Commichau, S, Contreras, Jl, Cortina, J, Costado, Mt, Covino, S, Curtef, V, Dazzi, F, De Angelis, A, del Pozo ED, de los Reyes, R, De Lotto, B, De Maria, M, De Sabata, F, Mendez, Cd, Dominguez, A, Dorner, D, Doro, M, Errando, M, Fagiolini, M, Ferenc, D, Fernandez, E, Firpo, R, Fonseca, Mv, Font, L, Galante, N, Lopez, Rjg, Garczarczyk, M, Gaug, M, Goebel, F, Hayashida, M, Herrero, A, Hohne, D, Hose, J, Hsu, Cc, 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, Jm, Mirzoyan, R, Mizobuchi, S, Moles, M, Moralejo, A, Nieto, D, Nilsson, K, Ninkovic, J, Otte, N, Oya, I, Panniello, M, Paoletti, R, Paredes, Jm, Pasanen, M, Pascoli, D, Pauss, F, Pegna, Rg, Perez Torres MA, 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, Ty, Salvati, M, Sanchez Conde, M, Sartori, P, Satalecka, K, Scalzotto, V, Scapin, V, Schmitt, R, Schweizer, T, Shayduk, M, Shinozaki, K, Shore, STEVEN NEIL, Sidro, N, Sierpowska Bartosik, A, Sillanpaa, A, Sobczynska, D, Spanier, F, Stamerra, A, Stark, Ls, Takalo, L, Tavecchio, F, Temnikov, P, Tescaro, D, Teshima, M, Tluczykont, M, Torres, Df, Turini, N, Vankov, H, Venturini, A, Vitale, V, Wagner, Rm, Wittek, W, Zabalza, V, Zandanel, F, Zanin, R, and Zapatero, J.
Published: 2009

213. SIMULTANEOUS MULTIWAVELENGTH OBSERVATIONS OF MARKARIAN 421 DURING OUTBURST

Author: Acciari, Va, Aliu, E, Aune, T, Beilicke, M, Benbow, W, Bottcher, M, Bradbury, Sm, Buckley, Jh, Bugaev, V, Butt, Y, Cannon, A, Celik, O, Cesarini, A, Chow, Yc, Ciupik, L, Cogan, P, Colin, P, Cui, W, Dickherber, R, Duke, C, Falcone, Ad, Fegan, Sj, Finley, Jp, Finnegan, G, Fortin, P, Fortson, L, Furniss, A, Gall, D, Gillanders, Gh, Grube, J, Guenette, R, Gyuk, G, Hanna, D, Holder, J, Horan, D, Hui, Cm, Humensky, Tb, Kaaret, P, Karlsson, N, Kertzman, M, Kieda, D, Kildea, J, Konopelko, A, Krawczynski, H, Krennrich, F, Lang, Mj, Lebohec, S, Maier, G, Mccann, A, Millis, J, Moriarty, P, Ong, Ra, Otte, An, Pandel, D, Perkins, Js, Pichel, A, Pohl, M, Quinn, J, Ragan, K, Reyes, Lc, Reynolds, Pt, Roache, E, Rose, Hj, Schroedter, M, Sembroski, Gh, Smith, Aw, Steele, D, Swordy, Sp, Theiling, M, Toner, Ja, Varlotta, A, Vincent, S, Wakely, Sp, Ward, Je, Weekes, Tc, Weinstein, A, Weisgarber, T, Williams, Da, Wissel, S, Zitzer, B, Perez, Id, Ibarra, A, Anderhub, Prh, Antonelli, La, Antoranz, P, Backes, M, Baixeras, C, Balestra, S, Barrio, Ja, Bastieri, D, Gonzalez, Jb, Becker, Jk, Bednarek, W, Berger, K, Bernardini, E, Biland, A, Bock, Rk, Bonnoli, G, Bordas, P, Tridon, Db, Bosch Ramon, V, Bose, D, Braun, I, Bretz, T, Britvitch, I, Camara, M, Carmona, E, Carosi, A, Commichau, S, Contreras, Jl, Cortina, J, Costado, Mt, Covino, S, Curtef, V, Dazzi, F, DE ANGELIS, Alessandro, Del Pozo ED, Mendez, Cd, De Los Reyes, R, DE LOTTO, Barbara, De Maria, M, De Sabata, F, Dominguez, A, Dorner, D, Doro, M, Elsaesser, D, Errando, M, Ferenc, D, Fernandez, E, Firpo, R, Fonseca, Mv, Font, L, Galante, N, Lopez, Rj, Garczarczyk, M, Gaug, M, Goebel, F, Hadasch, D, Hayashida, M, Herrero, A, Hildebrand, D, Hohne Monch, D, Hose, J, Hsu, Cc, 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, Jm, Mirzoyan, R, Miyamoto, H, Moldon, J, Moles, M, Moralejo, A, Nieto, D, Nilsson, K, Ninkovic, J, Orito, R, Oya, I, Paoletti, R, Paredes, Jm, Pasanen, M, Pascoli, D, Pauss, F, Pegna, Rg, Perez Torres MA, 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, Ty, Salvati, M, Sanchez Conde, M, Satalecka, K, Scalzotto, V, Scapin, V, Schweizer, T, Shayduk, M, Shore, Sn, Sidro, N, Sierpowska Bartosik, A, Silanpaa, A, Sitarek, J, Sobczynska, D, Spanier, F, Spiro, S, Stamerra, A, Stark, Ls, Takalo, L, Tavecchio, F, Temnikov, P, Tescaro, D, Teshima, M, Tluczykont, M, Torres, Df, Turini, N, Vankov, H, Wagner, Rm, Zabalza, V, Zandanel, F, Zanin, R, Zapatero, J., V. A., Acciari, E., Aliu, T., Aune, M., Beilicke, W., Benbow, M., Bottcher, 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., Furni, D., Gall, G. H., Gillander, 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., Milli, P., Moriarty, R. A., Ong, A. N., Otte, D., Pandel, J. S., Perkin, A., Pichel, M., Pohl, J., Quinn, K., Ragan, L. C., Reye, P. T., Reynold, 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., Weeke, A., Weinstein, T., Weisgarber, D. A., William, S., Wissel, B., Zitzer, I. D., Perez, A., Ibarra, P. R. H., Anderhub, L. A., Antonelli, P., Antoranz, M., Backe, C., Baixera, S., Balestra, J. A., Barrio, D., Bastieri, J. B., Gonzalez, J. K., Becker, W., Bednarek, K., Berger, E., Bernardini, A., Biland, R. K., Bock, G., Bonnoli, P., Borda, D. B., Tridon, V., Bosch Ramon, D., Bose, I., Braun, T., Bretz, I., Britvitch, M., Camara, E., Carmona, A., Carosi, S., Commichau, J. L., Contrera, J., Cortina, M. T., Costado, S., Covino, V., Curtef, F., Dazzi, A. D., Angeli, E. D., Del Pozo, C. D., Mendez, R. D., Los Reye, B. D., Lotto, M. D., Maria, F. D., Sabata, A., Dominguez, D., Dorner, M., Doro, D., Elsaesser, M., Errando, D., Ferenc, E., Fernandez, R., Firpo, M. V., Fonseca, L., Font, N., Galante, R. J., Lopez, M., Garczarczyk, M., Gaug, F., Goebel, D., Hadasch, M., Hayashida, A., Herrero, D., Hildebrand, D., Hohne Monch, J., Hose, C. C., Hsu, T., Jogler, D., Kranich, A. L., Barbera, A., Laille, E., Leonardo, E., Lindfor, S., Lombardi, Longo, Francesco, M., Lopez, E., Lorenz, P., Majumdar, G., Maneva, N., Mankuzhiyil, K., Mannheim, L., Maraschi, M., Mariotti, M., Martinez, D., Mazin, M., Meucci, J. M., Miranda, R., Mirzoyan, H., Miyamoto, J., Moldon, M., Mole, A., Moralejo, D., Nieto, K., Nilsson, J., Ninkovic, R., Orito, I., Oya, R., Paoletti, J. M., Parede, M., Pasanen, D., Pascoli, F., Pau, R. G., Pegna, M. A., Perez Torre, M., Persic, L., Peruzzo, F., Prada, E., Prandini, N., Puchade, I., Reichardt, W., Rhode, M., Ribo, J., Rico, M., Rissi, A., Robert, S., Rugamer, 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., Silanpaa, 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., Torre, N., Turini, H., Vankov, R. M., Wagner, V., Zabalza, F., Zandanel, R., Zanin, J., Zapatero, and Universitat de Barcelona
Subjects: bl lacertae objects: individual (markarian 421), 01 natural sciences, law.invention, ENERGY, Raigs gamma, ACTIVE GALAXY MARKARIAN-421, law, Observacions astronòmiques, RAY SPECTRAL VARIABILITY, 010303 astronomy & astrophysics, High Energy Astrophysical Phenomena (astro-ph.HE), Physics, Very High Energy Gamma-ray Astronomy, MAGIC telescope, Active Galactic Nuclei, Astrophysics::Instrumentation and Methods for Astrophysics, CORRELATED VARIABILITY, TEV PHOTONS, Wavelength, Electrónica, Física nuclear, Raigs X, Electricidad, Astrophysics - High Energy Astrophysical Phenomena, Astronomical observations, GALACTIC NUCLEI, Astrophysics::High Energy Astrophysical Phenomena, galaxies: active, FOS: Physical sciences, Telescope, 0103 physical sciences, X-rays, Blazar, x-rays: galaxies, XMM-NEWTON, 010308 nuclear & particles physics, Gamma rays, GAMMA-RAYS, Astronomy, Spectral density, Astronomy and Astrophysics, radiation mechanisms: non-thermal, Galaxies, Galàxies, MAGIC TELESCOPE, RADIATION, 13. Climate action, Space and Planetary Science, Satellite, gamma rays: observations
Abstract: 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 10m 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., Comment: 27 pages, 5 figures, Accepted for publication in The Astrophysical Journal
Published: 2009

214. MAGIC observations of PG 1553+113 during a multiwavelength campaign in July 2006 RID B-5372-2009

Author: Albert, J, Aliu, E, Anderhub, H, Antoranz, P, Baixeras, C, Barrio, Ja, Bartko, H, Bastieri, D, Becker, Jk, Bednarek, W, Berdyugin, A, Berger, K, Bigongiari, C, Biland, A, Bock, Rk, Bordas, P, Bosch Ramon, V, Bretz, T, Britvitch, I, Camara, M, Carmona, E, Chilingarian, A, Commichau, S, Contreras, Jl, Cortina, J, Costado, Mt, Curtef, V, Danielyan, V, Dazzi, F, De Angelis, A, Delgado, C, Reyes, Rd, De Lotto, B, Dorner, D, Doro, M, Errando, M, Fagiolini, M, Ferenc, D, Fernandez, E, Firpo, R, Fonseca, Mv, Font, L, Fuchs, M, Galante, N, Garcia Lopez RJ, Garczarczyk, M, Gaug, M, Goebel, F, Hakobyan, D, Hayashida, M, Hengstebeck, T, Herrero, A, Hohne, D, Hose, J, Hsu, Cc, Huber, S, Jacon, P, Jogler, T, Kosyra, R, Kranich, D, Kritzer, R, Laille, A, Lindfors, E, Lombardi, S, Longo, F, Lopez, M, Lorenz, E, Majumdar, P, Maneva, G, Mannheim, K, Mariotti, M, Martinez, M, Mazin, D, Merck, C, Meucci, M, Meyer, M, Miranda, Jm, Mirzoyan, R, Mizobuchi, S, Moralejo, A, Nieto, D, Nilsson, K, Ninkovic, J, Ona Wilhelmi, E, Otte, N, Oya, I, Panniello, M, Paoletti, R, Pasanen, M, Pascoli, D, Pauss, F, Pegna, R, Persic, M, Peruzzo, L, Piccioli, A, Prandini, E, Puchades, N, Raymers, A, Rico, J, Rhode, W, Rissi, M, Robert, A, Rugamer, S, Saggion, A, Saito, Ty, 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, Spanier, F, Stamerra, A, Stark, Ls, Takalo, L, Temnikov, P, Tescaro, D, Teshima, M, Torres, Df, Turini, N, Vankov, H, Venturini, A, Vitale, V, Wagner, Rm, Wibig, T, Wittek, W, Zandanel, F, Zanin, R, and Zapatero, J.
Published: 2009

215. PERIODIC VERY HIGH ENERGY gamma-RAY EMISSION FROM LS I+61 degrees 303 OBSERVED WITH THE MAGIC TELESCOPE

Author: 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., Angelis, A. D., del Pozo, E. D., los Reyes, R. d., Lotto, B. D., Maria, M. D., Sabata, F. D., Mendez, C. D., 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. G., Garczarczyk, M., Gaug, M., Goebel, F., Hayashida, M., Herrero, A., Hohne, D., Hose, J., Hsu, C. C., Huber, S., Jogler, T., Kranich, D., Barbera, A. L., Laille, A., Leonardo, E., Lindfors, E., Lombardi, S., Longo, Francesco, 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., J., Albert, E., Aliu, H., Anderhub, L. A., Antonelli, P., Antoranz, M., Backe, C., Baixera, J. A., Barrio, H., Bartko, D., Bastieri, J. K., Becker, W., Bednarek, K., Berger, E., Bernardini, C., Bigongiari, A., Biland, R. K., Bock, G., Bonnoli, P., Borda, V., Bosch Ramon, T., Bretz, I., Britvitch, M., Camara, E., Carmona, A., Chilingarian, S., Commichau, J. L., Contrera, J., Cortina, M. T., Costado, S., Covino, V., Curtef, F., Dazzi, A. D., Angeli, E. D., del Pozo, R. d., los Reye, B. D., Lotto, M. D., Maria, F. D., Sabata, C. D., Mendez, A., Dominguez, D., Dorner, M., Doro, M., Errando, M., Fagiolini, D., Ferenc, E., Fernandez, R., Firpo, M. V., Fonseca, L., Font, N., Galante, R. J. G., Lopez, M., Garczarczyk, M., Gaug, F., Goebel, M., Hayashida, A., Herrero, D., Hohne, J., Hose, C. C., Hsu, S., Huber, T., Jogler, D., Kranich, A. L., Barbera, A., Laille, E., Leonardo, E., Lindfor, S., Lombardi, Longo, Francesco, M., Lopez, E., Lorenz, P., Majumdar, G., Maneva, N., Mankuzhiyil, K., Mannheim, L., Maraschi, M., Mariotti, M., Martinez, D., Mazin, M., Meucci, M., Meyer, J. M., Miranda, R., Mirzoyan, S., Mizobuchi, M., Mole, A., Moralejo, D., Nieto, K., Nilsson, J., Ninkovic, N., Otte, I., Oya, M., Panniello, R., Paoletti, J. M., Parede, M., Pasanen, D., Pascoli, F., Pau, R. G., Pegna, M. A., Perez Torre, M., Persic, L., Peruzzo, A., Piccioli, F., Prada, E., Prandini, N., Puchade, A., Raymer, W., Rhode, M., Ribo, J., Rico, M., Rissi, A., Robert, S., Rugamer, A., Saggion, T. Y., Saito, M., Salvati, M., Sanchez Conde, P., Sartori, K., Satalecka, V., Scalzotto, V., Scapin, R., Schmitt, T., Schweizer, M., Shayduk, K., Shinozaki, S. N., Shore, N., Sidro, A., Sierpowska Bartosik, A., Sillanpaa, D., Sobczynska, F., Spanier, A., Stamerra, L. S., Stark, L., Takalo, F., Tavecchio, P., Temnikov, D., Tescaro, M., Teshima, M., Tluczykont, D. F., Torre, N., Turini, H., Vankov, A., Venturini, V., Vitale, R. M., Wagner, W., Wittek, V., Zabalza, F., Zandanel, R., Zanin, and J., Zapatero
Subjects: Very High Energy Gamma-ray Astronomy, MAGIC telescope, Gamma-ray Binaries, gamma ray astronomy, Cosmic rays, IMAGING CHERENKOV DETECTOR
Abstract: The MAGIC collaboration has recently reported the discovery of gamma-ray emission from the binary system LS I +61 degrees 303 in the TeV energy region. Here we present new observational results on this source in the energy range between 300 GeV and 3 TeV. In total, 112 hr of data were taken between 2006 September and December covering four orbital cycles of this object. This large amount of data allowed us to produce an integral flux light curve covering for the first time all orbital phases of LS I +61 degrees 303. In addition, we also obtained a differential energy spectrum for two orbital phase bins covering the phase range 0.5 < phi < 0.6 and 0.6 < phi < 0.7. The photon index in the two phase bins is consistent within the errors with an average index Gamma = 2.6 +/- 0.2(stat) +/- 0.2(sys). LS I +61 degrees 303 was found to be variable at TeV energies on timescales of days. These new MAGIC measurements allowed us to search for intranight variability of the very high energy emission; however, no evidence for flux variability on timescales down to 30 min was found. To test for possible periodic structures in the light curve, we apply the formalism developed by Lomb and Scargle to the LS I +61 degrees 303 data taken in 2005 and 2006. We found the LS I +61 degrees 303 data set to be periodic with a period of (26.8 +/- 0.2) days (with a post-trial chance probability of 10(-7)), close to the orbital period.
Published: 2009

216. Radio imaging of the very-high-energy gamma-ray emission region in the central engine of a radio galaxy

Author: Veritas, Collaboration, Monitoring Team, Vlba Ghz M., Collaboration, H. E. S. S., 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 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., 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., Naurois, M., Nedbal, D., Nekrassov, D., Nicholas, B., Niemiec, J., Nolan, S. J., Ohm, S., Olive, J-F, 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., Christopher van Eldik, 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., Angelis, A., Cea Del Pozo, E., Delgado Mendez, C., Los Reyes, R., Lotto, B., Maria, M., 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., Centre d'étude spatiale des rayonnements (CESR), Observatoire Midi-Pyrénées (OMP), Météo France-Centre National d'Études Spatiales [Toulouse] (CNES)-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Météo France-Centre National d'Études Spatiales [Toulouse] (CNES)-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées, AstroParticule et Cosmologie (APC (UMR_7164)), Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), Laboratoire Univers et Théories (LUTH (UMR_8102)), Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Diderot - Paris 7 (UPD7), Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE), Centre National de la Recherche Scientifique (CNRS)-Université Paris Diderot - Paris 7 (UPD7)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Pierre et Marie Curie - Paris 6 (UPMC), Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, Laboratoire d'Astrophysique de Grenoble (LAOG), Université Joseph Fourier - Grenoble 1 (UJF)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS), Laboratoire d'Annecy de Physique des Particules (LAPP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), APC - Astrophysique des Hautes Energies (APC - AHE), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Dipartimento di Astronomia, Universita degli Studi di Bologna, Alma Mater Studiorum Università di Bologna [Bologna] (UNIBO)-Alma Mater Studiorum Università di Bologna [Bologna] (UNIBO), HESS, Universitat de Barcelona, Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire Midi-Pyrénées (OMP), Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7), PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Laboratoire d'Annecy de Physique des Particules (LAPP/Laboratoire d'Annecy-le-Vieux de Physique des Particules), Centre National de la Recherche Scientifique (CNRS)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), Dipartimento di Astronomia, Universita degli Studi di Bologna, Università di Bologna [Bologna] (UNIBO)-Università di Bologna [Bologna] (UNIBO)-AstroParticule et Cosmologie (APC (UMR_7164)), PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Observatoire de Paris, Université de Toulouse (UT)-Université de Toulouse (UT)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire Midi-Pyrénées (OMP), Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Centre National de la Recherche Scientifique (CNRS), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS)-Alma Mater Studiorum Università di Bologna [Bologna] (UNIBO), V. A., Acciari, E., Aliu, T., Arlen, M., Bautista, M., Beilicke, W., Benbow, S. M., Bradbury, J. H., Buckley, V., Bugaev, Y., Butt, K., Byrum, A., Cannon, O., Celik, A., Cesarini, Y. C., Chow, L., Ciupik, P., Cogan, W., Cui, R., Dickherber, S. J., Fegan, J. P., Finley, P., Fortin, L., Fortson, A., Furni, D., Gall, G. H., Gillander, J., Grube, R., Guenette, G., Gyuk, D., Hanna, J., Holder, D., Horan, C. M., Hui, T. B., Humensky, A., Imran, P., Kaaret, N., Karlsson, D., Kieda, J., Kildea, A., Konopelko, H., Krawczynski, F., Krennrich, M. J., Lang, S., Lebohec, G., Maier, A., Mccann, M., Mccutcheon, J., Milli, P., Moriarty, R. A., Ong, A. N., Otte, D., Pandel, J. S., Perkin, D., Petry, M., Pohl, J., Quinn, K., Ragan, L. C., Reye, P. T., Reynold, E., Roache, H. J., Rose, M., Schroedter, G. H., Sembroski, A. W., Smith, S. P., Swordy, M., Theiling, J. A., Toner, A., Varlotta, S., Vincent, S. P., Wakely, J. E., Ward, T. C., Weeke, A., Weinstein, D. A., William, S., Wissel, M., Wood, R. C., Walker, F., Davie, P. E., Hardee, W., Junor, C., Ly, F., Aharonian, A. G., Akhperjanian, G., Anton, U. B., de Almeida, A. R., Bazer Bachi, Y., Becherini, B., Behera, K., Bernlohr, A., Bochow, C., Boisson, J., Bolmont, V., Borrel, J., Brucker, F., Brun, P., Brun, R., Buhler, T., Bulik, I., Busching, T., Boutelier, P. M., Chadwick, A., Charbonnier, R. C. G., Chave, A., Cheesebrough, L. M., Chounet, A. C., Clapson, G., Coignet, M., Dalton, M. K., Daniel, I. D., David, B., Degrange, C., Deil, H. J., Dickinson, A., Djannati Atai, W., Domainko, L. O., Drury, F., Duboi, G., Dubu, J., Dyk, M., Dyrda, K., Egbert, D., Emmanoulopoulo, P., Espigat, C., Farnier, F., Feinstein, A., Fiasson, A., Forster, G., Fontaine, M., Fussling, S., Gabici, Y. A., Gallant, L., Gerard, D., Gerbig, B., Giebel, J. F., Glicenstein, B., Gluck, P., Goret, D., Gohring, D., Hauser, M., Hauser, S., Heinz, G., Heinzelmann, G., Henri, G., Hermann, J. A., Hinton, A., Hoffmann, W., Hofmann, M., Holleran, S., Hoppe, D., Horn, A., Jacholkowska, O. C., de Jager, C., Jahn, I., Jung, K., Katarzynski, U., Katz, S., Kaufmann, E., Kendziorra, M., Kerschhaggl, D., Khangulyan, B., Khelifi, D., Keogh, W., Kluzniak, T., Kneiske, N., Komin, K., Kosack, G., Lamanna, J. P., Lenain, T., Lohse, V., Marandon, J. M., Martin, O., Martineau Huynh, A., Marcowith, D., Maurin, T. J. L., Mccomb, M. C., Medina, R., Moderski, E., Moulin, M., Naumann Godo, M. d., Nauroi, D., Nedbal, D., Nekrassov, B., Nichola, J., Niemiec, S. J., Nolan, S., Ohm, J. F., Olive, E. D., Wilhelmi, K. J., Orford, M., Ostrowski, M., Panter, M. P., Arriba, G., Pedaletti, G., Pelletier, P. O., Petrucci, S., Pita, M., Raue, S. M., Rayner, M., Renaud, F., Rieger, J., Ripken, L., Rob, S., Rosier Lee, G., Rowell, B., Rudak, C. B., Rulten, J., Ruppel, V., Sahakian, A., Santangelo, R., Schlickeiser, F. M., Schock, R., Schroder, U., Schwanke, S., Schwarzburg, S., Schwemmer, A., Shalchi, M., Sikora, J. L., Skilton, H., Sol, D., Spangler, L., Stawarz, R., Steenkamp, C., Stegmann, F., Stinzing, G., Superina, A., Szostek, P. H., Tam, J. P., Tavernet, R., Terrier, O., Tibolla, M., Tluczykont, C. v., Eldik, G., Vasileiadi, C., Venter, L., Venter, J. P., Vialle, P., Vincent, M., Vivier, H. J., Volk, F., Volpe, S. J., Wagner, M., Ward, A. A., Zdziarski, A., Zech, H., Anderhub, L. A., Antonelli, P., Antoranz, M., Backe, C., Baixera, S., Balestra, J. A., Barrio, D., Bastieri, J. B., Gonzlez, J. K., Becker, W., Bednarek, K., Berger, E., Bernardini, A., Biland, R. K., Bock, G., Bonnoli, P., Borda, D. B., Tridon, V., Bosch Ramon, D., Bose, I., Braun, T., Bretz, I., Britvitch, M., Camara, E., Carmona, S., Commichau, J. L., Contrera, J., Cortina, M. T., Costado, S., Covino, V., Curtef, F., Dazzi, A. D., Angeli, E. D., Del Pozo, C. D., Mendez, R. D., los Reye, B. D., Lotto, M. D., Maria, F. D., 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. G., Lopez, M., Garczarczyk, M., Gaug, F., Goebel, D., Hadasch, M., Hayashida, A., Herrero, D., Hildebrand, D., Hohne Monch, J., Hose, C. C., Hsu, T., Jogler, D., Kranich, A. L., Barbera, A., Laille, E., Leonardo, E., Lindfor, S., Lombardi, Longo, Francesco, M., Lopez, E., Lorenz, P., Majumdar, G., Maneva, N., Mankuzhiyil, K., Mannheim, L., Maraschi, M., Mariotti, M., Martinez, D., Mazin, M., Meucci, J. M., Miranda, R., Mirzoyan, H., Miyamoto, J., Moldon, M., Mole, A., Moralejo, D., Nieto, K., Nilsson, J., Ninkovic, I., Oya, R., Paoletti, J. M., Parede, M., Pasanen, D., Pascoli, F., Pau, R. G., Pegna, M. A., Perez Torre, M., Persic, L., Peruzzo, F., Prada, E., Prandini, N., Puchade, I., Reichardt, W., Rhode, M., Ribo, J., Rico, M., Rissi, A., Robert, S., Rugamer, 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., Sillanpaa, J., Sitarek, D., Sobczynska, F., Spanier, A., Stamerra, L. S., Stark, L., Takalo, F., Tavecchio, P., Temnikov, D., Tescaro, M., Teshima, D. F., Torre, N., Turini, H., Vankov, R. M., Wagner, V., Zabalza, F., Zandanel, R., Zanin, and J., Zapatero
Subjects: m87 jet, Radio galaxy, Astrophysics, telescope, 01 natural sciences, Astroparticle, Jets (Astrofísica), Radio astronomy, 010303 astronomy & astrophysics, High Energy Astrophysical Phenomena (astro-ph.HE), Physics, tev emission, Multidisciplinary, [SDU.ASTR.HE]Sciences of the Universe [physics]/Astrophysics [astro-ph]/High Energy Astrophysical Phenomena [astro-ph.HE], Gamma ray, 3. Good health, Forats negres (Astronomia), Radioastronomia, Electrónica, Física nuclear, Electricidad, Astrophysics - High Energy Astrophysical Phenomena, Very High Energy Gamma-ray Astronomy, MAGIC telescope, Galaxies, Radio wave, outburst, [PHYS.ASTR.HE]Physics [physics]/Astrophysics [astro-ph]/High Energy Astrophysical Phenomena [astro-ph.HE], Active galactic nucleus, inner jet, Astrophysics::High Energy Astrophysical Phenomena, FOS: Physical sciences, Astrophysics::Cosmology and Extragalactic Astrophysics, X-shaped radio galaxy, veritas, 0103 physical sciences, Nucli galàctic actiu, crab-nebula, VHE Gamma ray, Astrophysics::Galaxy Astrophysics, Active galactic nuclei, variability, 010308 nuclear & particles physics, nucleus, Astronomy, Astrophysics - Astrophysics of Galaxies, Galaxy, Accretion (astrophysics), Astrophysical jets, Black hole, Cherenkov telescope, Astrophysics of Galaxies (astro-ph.GA), Black holes (Astronomy), supermassive black-hole
Abstract: 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 (eV) 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 M87, 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., Comment: 21 pages, 5 figures, published in Science, see: http://www.sciencemag.org/cgi/content/abstract/325/5939/444
Published: 2009

217. MAGIC upper limits to the VHE gamma-ray flux of 3C 454.3 in high emission state RID B-5372-2009

Author: Anderhub, H, Antonelli, La, Antoranz, P, Backes, M, Baixeras, C, Balestra, S, Barrio, Ja, Bartko, H, Bastieri, D, Gonzalez, Jb, Becker, Jk, Bednarek, W, Berger, K, Bernardini, E, Biland, A, Bock, Rk, Bonnoli, G, Bordas, P, Tridon, Db, Bosch Ramon, V, Bretz, T, Britvitch, I, Camara, M, Carmona, E, Commichau, S, Contreras, Jl, Cortina, J, Costado, Mt, Covino, S, Curtef, V, Dazzi, F, De Angelis, A, del Pozo ED, de los Reyes, R, De Lotto, B, De Maria, M, De Sabata, F, Mendez, Cd, Dominguez, A, Dorner, D, Doro, M, Elsaesser, D, Errando, M, Ferenc, D, Fernandez, E, Firpo, R, Fonseca, Mv, Font, L, Galante, N, Lopez, Rjg, Garczarczyk, M, Gaug, M, Goebel, F, Hadasch, D, Hayashida, M, Herrero, A, Hohne Monch, D, Hose, J, Hsu, Cc, 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, Jm, Mirzoyan, R, Moldon, J, Moles, M, Moralejo, A, Nieto, D, Nilsson, K, Ninkovic, J, Otte, N, Oya, I, Paoletti, R, Paredes, Jm, Pasanen, M, Pascoli, D, Pauss, F, Pegna, Rg, Perez Torres MA, Persic, M, Peruzzo, L, Prada, F, Prandini, E, Puchades, N, Rhode, W, Ribo, M, Rico, J, Rissi, M, Robert, A, Rugamer, S, Saggion, A, Saito, Ty, Salvati, M, Sanchez Conde, M, Sartori, P, Satalecka, K, Scalzotto, V, Scapin, V, Schweizer, T, Shayduk, M, Shinozaki, K, Shore, STEVEN NEIL, Sidro, N, Sierpowska Bartosik, A, Sillanpaa, A, Sitarek, J, Sobczynska, D, Spanier, F, Stamerra, A, Stark, Ls, Takalo, L, Tavecchio, F, Temnikov, P, Tescaro, D, Teshima, M, Tluczykont, M, Torres, Df, Turini, N, Vankov, H, Venturini, A, Vitale, V, Wagner, Rm, Wittek, W, Zabalza, V, Zandanel, F, Zanin, R, Zapatero, J, Vercellone, S, Donnarumma, I, D'Ammando, F, and Tavani, M.
Published: 2009

218. DISCOVERY OF A VERY HIGH ENERGY GAMMA-RAY SIGNAL FROM THE 3C 66A/B REGION RID B-5372-2009

Author: Aliu, E, Anderhub, H, Antonelli, La, Antoranz, P, Backes, M, Baixeras, C, Balestra, S, Barrio, Ja, Bartko, H, Bastieri, D, Gonzalez, Jb, Becker, Jk, Bednarek, W, Berger, K, Bernardini, E, Biland, A, Bock, Rk, Bonnoli, G, Bordas, P, Tridon, Db, Bosch Ramon, V, Bretz, T, Britvitch, I, Camara, M, Carmona, E, Chilingarian, A, Commichau, S, Contreras, Jl, Cortina, J, Costado, Mt, Covino, S, Curtef, V, Dazzi, F, De Angelis, A, del Pozo ED, de los Reyes, R, De Lotto, B, De Maria, M, De Sabata, F, Mendez, Cd, Dominguez, A, Dorner, D, Doro, M, Elsaesser, D, Errando, M, Ferenc, D, Fernandez, E, Firpo, R, Fonseca, Mv, Font, L, Galante, N, Lopez, Rjg, Garczarczyk, M, Gaug, M, Goebel, F, Hadasch, D, Hayashida, M, Herrero, A, Hohne Monch, D, Hose, J, Hsu, Cc, 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, Jm, Mirzoyan, R, Moldon, J, Moles, M, Moralejo, A, Nieto, D, Nilsson, K, Ninkovic, J, Otte, N, Oya, I, Paoletti, R, Paredes, Jm, Pasanen, M, Pascoli, D, Pauss, F, Pegna, Rg, Perez Torres MA, Persic, M, Peruzzo, L, Prada, F, Prandini, E, Puchades, N, Raymers, A, Rhode, W, Ribo, M, Rico, J, Rissi, M, Robert, A, Rugamer, S, Saggion, A, Saito, Ty, Salvati, M, Sanchez Conde, M, Sartori, P, Satalecka, K, Scalzotto, V, Scapin, V, Schweizer, T, Shayduk, M, Shinozaki, K, Shore, STEVEN NEIL, Sidro, N, Sierpowska Bartosik, A, Sillanpaa, A, Sitarek, J, Sobczynska, D, Spanier, F, Stamerra, A, Stark, Ls, Takalo, L, Tavecchio, F, Temnikov, P, Tescaro, D, Teshima, M, Tluczykont, M, Torres, Df, Turini, N, Vankov, H, Venturini, A, Vitale, V, Wagner, Rm, Wittek, W, Zabalza, V, Zandanel, F, Zanin, R, and Zapatero, J.
Published: 2009

219. Improving the performance of the single-dish Cherenkov telescope MAGIC through the use of signal timing RID B-5372-2009

Author: Aliu, E, Anderhub, H, Antonelli, La, Antoranz, P, Backes, M, Baixeras, C, Barrio, Ja, Bartko, H, Bastieri, D, Becker, Jk, Bednarek, W, Berger, K, Bernardini, E, Biland, A, Bock, Rk, Bonnoli, G, Bordas, P, Tridon, Db, Bosch Ramon, V, Bretz, T, Britvitch, I, Camara, M, Carmona, E, Chilingarian, A, Commichau, S, Contreras, Jl, Cortina, J, Costado, Mt, Covino, S, Curtef, V, Dazzi, F, De Angelis, A, del Pozo ED, de los Reyes, R, De Lotto, B, De Maria, M, De Sabata, F, Mendez, Cd, Dominguez, A, Dorner, D, Doro, M, Elsaesser, D, Errando, M, Fagiolini, M, Ferenc, D, Fernandez, E, Firpo, R, Fonseca, Mv, Font, L, Galante, N, Lopez, Rjg, Garczarczyk, M, Gaug, M, Goebel, F, Hadasch, D, Hayashida, M, Herrero, A, Hoehne, D, Hose, J, Hsu, Cc, 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, Jm, Mirzoyan, R, Moles, M, Moralejo, A, Nieto, D, Nilsson, K, Ninkovic, J, Otte, N, Oya, I, Paoletti, R, Paredes, Jm, Pasanen, M, Pascoli, D, Pauss, F, Pegna, Rg, Perez Torres MA, Persic, M, Peruzzo, L, Piccioli, A, Prada, F, Prandini, E, Puchadesa, N, Raymers, A, Rhode, W, Ribo, M, Rico, J, Rissi, M, Robert, A, Ruegamer, S, Saggion, A, Saito, Ty, Salvati, M, Sanchez Conde, M, Sartori, P, Satalecka, K, Scalzotto, V, Scapin, V, Schweizer, T, Shayduk, M, Shinozaki, K, Shore, STEVEN NEIL, Sidro, N, Sierpowska Bartosik, A, Sillanpaeae, A, Sitarek, J, Sobczynska, D, Spanier, F, Stamerra, A, Stark, Ls, Takalo, L, Tavecchio, F, Temnikov, P, Tescaro, D, Teshima, M, Tluczykont, M, Torres, Df, Turini, N, Vankov, H, Venturini, A, Vitale, V, Wagner, Rm, Wittek, W, Zabalza, V, Zandanel, F, Zanin, R, and Zapatero, J.
Published: 2009

220. Probing quantum gravity using photons from a flare of the active galactic nucleus Markarian 501 observed by the MAGIC telescope

Author: 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, Thomas Günther, 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., Delgado Mendez, C., De Los Reyes, R., De Lotto, B., De Maria, M., De Sabata, F., Dominguez, A., Dorner, D., Doro, M., Errando, M., Fagiolini, M., Ferenc, D., Fern'andez, E., Firpo, R., Fonseca, M.-V., Font, L., Galante, N., Garc'ia L'opez, R.-J., Garczarczyk, M., Gaug, M., Goebel, F., Hayashida, M., Herrero, A., Höhne, 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., L'opez, M., Lorenz, E., Majumdar, P., Maneva, G., Mankuzhiyil, N., Mannheim, K., Maraschi, L., Mariotti, M., Mart'inez, 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., 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., Rib'o, M., Rico, J., Rissi, M., Robert, A., Rügamer, 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., Sidro, N., Sierpowska-Bartosik, A., Sillanpää, 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., Ellis, J., Mavromatos, N.-E., Nanopoulos, D.-V., Sakharov, A.-S., Sarkisyan, E.-K.-G., Polish Academy of Sciences, European Commission, ETH Zurich, and Universitat de Barcelona
Subjects: High Energy Physics - Theory, Special relativity, Photon, Astrophysics, 01 natural sciences, General Relativity and Quantum Cosmology, law.invention, High Energy Physics - Phenomenology (hep-ph), law, Gamma ray astronomy, gamma-ray, MAGIC (telescope), 010303 astronomy & astrophysics, Boson, Physics, Mkn 501), Active galactic nuclei, Quantum gravity, Supersymmetric models, Particle acceleration [Gamma-ray sources (Individual], Astrophysics (astro-ph), gamma-ray bursts, Gamma ray, Fotons, High Energy Physics - Phenomenology, Electrónica, Física nuclear, Electricidad, Telescopis espacials, Mkn 501) [Gamma-ray sources (Individual], Flare, Astrophysics and Astronomy, Nuclear and High Energy Physics, Active galactic nucleus, Astrophysics::High Energy Astrophysical Phenomena, Particle acceleration, FOS: Physical sciences, General Relativity and Quantum Cosmology (gr-qc), Space telescopes, 0103 physical sciences, Gamma-ray sources (Individual: Mkn 501), Astronomia de raigs gamma, ddc:530, Nucli galàctic actiu, Blazar, gamma-ray sources, Photons, 010308 nuclear & particles physics, Supersimetria, High Energy Physics - Theory (hep-th), Gravetat quàntica, High Energy Physics::Experiment, Supersymmetry, Gamma-ray burst
Abstract: We analyze the timing of photons observed by the MAGIC telescope during a flare of the active galactic nucleus Mkn 501 for a possible correlation with energy, as suggested by some models of quantum gravity (QG), which predict a vacuum refractive index ≃ 1 + (E / MQGn)n, n = 1, 2. Parametrizing the delay between γ-rays of different energies as Δ t = ± τl E or Δ t = ± τq E2, we find τl = (0.030 ± 0.012) s / GeV at the 2.5-σ level, and τq = (3.71 ± 2.57) × 10-6 s / GeV2, respectively. We use these results to establish lower limits MQG 1 > 0.21 × 1018 GeV and MQG 2 > 0.26 × 1011 GeV at the 95% C.L. Monte Carlo studies confirm the MAGIC sensitivity to propagation effects at these levels. Thermal plasma effects in the source are negligible, but we cannot exclude the importance of some other source effect., Physics Letters B, 668 (4), ISSN:0370-2693, ISSN:0031-9163, ISSN:1873-2445
Published: 2008

221. Magic observations of the unidentified gamma-ray source TEV J2032+4130 RID B-5372-2009

Author: Albert, J, Aliu, E, Anderhub, H, Antoranz, P, Baixeras, C, Barrio, Ja, Bartko, H, Bastieri, D, Becker, Jk, Bednarek, W, Berger, K, Bigongiari, C, Biland, A, Bock, Rk, Bonnoli, G, Bordas, P, Bosch Ramon, V, Bretz, T, Britvitch, I, Camara, M, Carmona, E, Chilingarian, A, Commichau, S, Contreras, Jl, Cortina, J, Costado, Mt, Curtef, V, Dazzi, F, De Angelis, A, Delgado, C, de los Reyes, R, Domingo Santamaria, E, De Lotto, B, De Maria, M, De Sabata, F, Dorner, D, Doro, M, Errando, M, Fagiolini, M, Ferenc, D, Fernandez, E, Firpo, R, Fonseca, Mv, Font, L, Galante, N, Garcia Lopez RJ, Garczarczyk, M, Gaug, M, Goebel, F, Hayashida, M, Herrero, A, Hohne, D, Hose, J, Hsu, Cc, Huber, S, Jogler, T, Kosyra, R, Kranich, D, Laille, A, Leonardo, E, Lindfors, E, Lombardi, S, Longo, F, Lopez, M, Lorenz, E, Majumdar, P, Maneva, G, Mankuzhiyil, N, Mannheim, K, Mariotti, M, Martinez, M, Mazin, D, Merck, C, Meucci, M, Meyer, M, Miranda, Jm, Mirzoyan, R, Mizobuchi, S, Moralejo, A, Nieto, D, Nilsson, K, Ninkovic, J, Ona Wilhelmi, E, Otte, N, Oya, I, Panniello, M, Paoletti, R, Paredes, Jm, Pasanen, M, Pascoli, D, Pauss, F, Pegna, R, Persic, M, Peruzzo, L, Piccioli, A, Prandini, E, Puchades, N, Raymers, A, Rhode, W, Ribo, M, Rico, J, Rissi, M, Robert, A, Rugamer, S, Saggion, A, Saito, Ty, 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, Spanier, F, Stamerra, A, Stark, Ls, Takalo, L, Temnikov, P, Tescaro, D, Teshima, M, Torres, Df, Turini, N, Vankov, H, Venturini, A, Vitale, V, Wagner, Rm, Wittek, W, Zandanel, F, Zanin, R, and Zapatero, J.
Published: 2008

222. FIRST BOUNDS ON THE HIGH-ENERGY EMISSION FROM ISOLATED WOLF-RAYET BINARY SYSTEMS RID B-5372-2009

Author: Aliu, E, Anderhub, H, Antonelli, La, Antoranz, P, Backes, M, Baixeras, C, Barrio, Ja, Bartko, H, Bastieri, D, Becker, Jk, Bednarek, W, Berger, K, Bernardini, E, Bigongiari, C, Biland, A, Bock, Rk, Bonnoli, G, Bordas, P, Bosch Ramon, V, Bretz, T, Britvitch, I, Camara, M, Carmona, E, Chilingarian, A, Commichau, S, Contreras, Jl, Cortina, J, Costado, Mt, Covino, S, Curtef, V, Dazzi, F, De Angelis, A, del Pozo ED, Reyes, Rd, De Lotto, B, De Maria, M, De Sabata, F, Mendez, Cd, Dominguez, A, Dorner, D, Doro, M, Errando, M, Fagiolini, M, Ferenc, D, Fernandez, E, Firpo, R, Fonseca, Mv, Font, L, Galante, N, Lopez, Rjg, Garczarczyk, M, Gaug, M, Goebel, F, Hayashida, M, Herrero, A, Hohne, D, Hose, J, Hsu, Cc, 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, Jm, Mirzoyan, R, Moles, M, Moralejo, A, Nieto, D, Nilsson, K, Ninkovic, J, Ona Wilhelmi, E, Otte, N, Oya, I, Paoletti, R, Paredes, Jm, Pasanen, M, Pascoli, D, Pauss, F, Pegna, Rg, Perez Torres MA, 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, Ty, Salvati, M, Sanchez Conde, M, Sartori, P, Satalecka, K, Scalzotto, V, Scapin, V, Schweizer, T, Shayduk, M, Shinozaki, K, Shore, STEVEN NEIL, Sidro, N, Sierpowska Bartosik, A, Sillanpaa, A, Sobczynska, D, Spanier, F, Stamerra, A, Stark, Ls, Takalo, L, Tavecchio, F, Temnikov, P, Tescaro, D, Teshima, M, Tluczykont, M, Torres, Df, Turini, N, Vankov, H, Venturini, A, Vitale, V, Wagner, Rm, Wittek, W, Zabalza, V, Zandanel, F, Zanin, R, and Zapatero, J.
Published: 2008

223. Simultaneous multiwavelength observations of the blazar 1ES 1959+650 at a low TeV flux

Author: Tagliaferri, G, Foschini, L, Ghisellini, G, Maraschi, L, Tosti, G, Albert, J, Aliu, E, Anderhub, H, Antoranz, P, Baixeras, C, Barrio, Ja, Bartko, H, Bastieri, D, Becker, Jk, Bednarek, W, Bedyugin, A, Berger, K, Bigongiari, C, Biland, A, Bock, Rk, Bordas, P, Bosch Ramon, V, Bretz, T, Britvitch, I, Camara, M, Carmona, E, Chilingarian, A, Coarasa, Ja, Commichau, S, Contreras, Jl, Cortina, J, Costado, Mt, Curtef, V, Danielyan, V, Dazzi, F, DE ANGELIS, Alessandro, Delgado, C, de los Reyes, R, DE LOTTO, Barbara, Dorner, D, Doro, M, Errando, M, Fagiolini, M, Ferenc, D, Fernandez, E, Firpo, R, Fonseca, Mv, Font, L, Fuchs, M, Galante, N, Garcia Lopez RJ, Garczarczyk, M, Gaug, M, Giller, M, Goebel, F, Hakobyan, D, Hayashida, M, Hengstebeck, T, Herrero, A, Hohne, D, Hose, J, Huber, S, Hsu, Cc, Jacon, P, Jogler, T, Kosyra, R, Kranich, D, Kritzer, R, Laille, A, Lindfors, E, Lombardi, S, Longo, F, Lopez, M, Lorenz, E, Majumdar, P, Maneva, G, Mannheim, K, Mariotti, M, Martinez, M, Mazin, D, Merck, C, Meucci, M, Meyer, M, Miranda, Jm, Mirzoyan, R, Mizobuchi, S, Moralejo, A, Nieto, D, Nilsson, K, Ninkovic, J, Ona Wilhelmi, E, Otte, N, Oya, I, Panniello, M, Paoletti, R, Paredes, Jm, Pasanen, M, Pascoli, D, Pauss, F, Pegna, R, Persic, M, Peruzzo, L, Piccioli, A, Prandini, E, Puchades, N, Raymers, A, Rhode, W, Ribo, M, Rico, J, Rissi, M, Robert, A, Rugamer, S, Saggion, A, Saito, Ty, Sanchez, A, Sartori, P, Scalzotto, V, Scapin, V, Schmitt, R, Schweizer, T, Shayduk, M, Shinozaki, K, Shore, Sn, Sidro, N, Sillanpaa, A, Sobczynska, D, Spanier, F, Stamerra, A, Stark, Ls, Takalo, L, Tavecchio, F, Temnikov, P, Tescaro, D, Teshima, M, Torres, Df, Turini, N, Vankov, H, Venturini, A, Vitale, V, Wagner, Rm, Wibig, T, Wittek, W, Zandanel, F, Zanin, R, and Zapatero, J.
Subjects: High energy, BOARD SUZAKU, Astrophysics::High Energy Astrophysical Phenomena, BL-LACERTAE OBJECTS, EINSTEIN SLEW SURVEY, GAMMA-RAY EMISSION, RADIO-LOUD QUASARS, BAND X-RAY, XMM-NEWTON, BEPPOSAX OBSERVATIONS, INTERNAL SHOCKS, PKS 2155-304, FOS: Physical sciences, Astrophysics, 01 natural sciences, law.invention, Flux (metallurgy), law, Time windows, 0103 physical sciences, X-rays, MAGIC (telescope), Blazar, 010303 astronomy & astrophysics, Cosmic rays, Physics, 010308 nuclear & particles physics, gamma ray astronomy, IMAGING CHERENKOV DETECTOR, Astrophysics (astro-ph), Astronomy and Astrophysics, Galaxies, Synchrotron, Galàxies, 13. Climate action, Space and Planetary Science, Homogeneous, Galàxies actives, Active galaxies, Spectral energy distribution, Electrónica, Física nuclear, Raigs X, Electricidad
Abstract: We present the results from a multiwavelength campaign on the TeV blazar 1ES 1959+650, performed in May, 2006. Data from the optical, UV, soft- and hard-X-ray and very high energy (VHE) gamma-ray (E > 100 GeV) bands were obtained with the SUZAKU and SWIFT satellites, with the MAGIC telescope and other ground based facilities. The source spectral energy distribution (SED), derived from SUZAKU and MAGIC observations at the end of May 2006, shows the usual double hump shape, with the synchrotron peak at a higher flux level than the Compton peak. With respect to historical values, during our campaign the source exhibited a relatively high state in X-rays and optical, while in the VHE band it was at one of the lowest level so far recorded. We also monitored the source for flux-spectral variability on a time window of 10 days in the optical-UV and X-ray bands and 7 days in the VHE band. The source varies more in the X-ray, than in the optical band, with the 2-10 keV X-ray flux varying by a factor of ~2. The synchrotron peak is located in the X-ray band and moves to higher energies as the source gets brighter, with the X-ray fluxes above it varying more rapidly than the X-ray fluxes at lower energies. The variability behaviour observed in the X-ray band cannot be produced by emitting regions varying independently, and suggests instead some sort of ``standing shock'' scenario. The overall SED is well represented by an homogeneous one-zone synchrotron inverse Compton emission model, from which we derive physical parameters that are typical of high energy peaked blazars., 30 pages, 8 figures, accepted for publication in ApJ
Published: 2008

224. Upper limit for gamma-ray emission above 140 GeV from the dwarf spheroidal galaxy Draco RID B-5372-2009

Author: Albert, J, Aliu, E, Anderhub, H, Antoranz, P, Backes, M, Baixeras, C, Barrio, Ja, Bartko, H, Bastieri, D, Becker, Jk, Bednarek, W, Berger, K, Bigongiari, C, Biland, A, Bock, Rk, Bordas, P, Bosch Ramon, V, Bretz, T, Britvitch, I, Camara, M, Carmona, E, Chilingarian, A, Commichau, S, Contreras, Jl, Cortina, J, Costado, Mt, Curtef, V, Danielyan, V, Dazzi, F, De Angelis, A, Delgado, C, de los Reyes, R, De Lotto, B, De Maria, M, De Sabata, F, Dorner, D, Doro, M, Errando, M, Fagiolini, M, Ferenc, D, Fernandez, E, Firpo, R, Fonseca, Mv, Font, L, Fuchs, M, Galante, N, Garcia Lopez RJ, Garczarczyk, M, Gaug, M, Goebel, F, Hakobyan, D, Hayashida, M, Hengstebeck, T, Herrero, A, Hohne, D, Hose, J, Huber, S, Hsu, Cc, Jacon, P, Jogler, T, Kosyra, R, Kranich, D, Laille, A, Lindfors, E, Lombardi, S, Longo, F, Lopez, M, Lorenz, E, Majumdar, P, Maneva, G, Mankuzhiyil, N, Mannheim, K, Mariotti, M, Martinez, M, Mazin, D, Merck, C, Meucci, M, Meyer, M, Miranda, Jm, Mirzoyan, R, Mizobuchi, S, Moles, M, Moralejo, A, Nieto, D, Nilsson, K, Ninkovic, J, Ona Wilhelmi, E, Otte, N, Oya, I, Panniello, M, Paoletti, R, Paredes, Jm, Pasanen, M, Pascoli, D, Pauss, F, Pegna, R, Perez Torres MA, 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, Ty, Sanchez, A, Sanchez Conde, M, Sartori, P, Scalzotto, V, Scapin, V, Schmitt, R, Schweizer, T, Shayduk, M, Shinozaki, K, Shore, STEVEN NEIL, Sidro, N, Sillanpaa, A, Sobczynska, D, Spanier, F, Stamerra, A, Stark, Ls, Takalo, L, Temnikov, P, Tescaro, D, Teshima, M, Torres, Df, Turini, N, Vankov, H, Venturini, A, Vitale, V, Wagner, Rm, Wittek, W, Zandanel, F, Zanin, R, and Zapatero, J.
Published: 2008

225. VERY HIGH ENERGY GAMMA-RAY OBSERVATIONS OF STRONG FLARING ACTIVITY IN M87 IN 2008 FEBRUARY RID B-5372-2009

Author: Albert, J, Aliu, E, Anderhub, H, Antonelli, La, Antoranz, P, Backes, M, Baixeras, C, Barrio, Ja, Bartko, H, Bastieri, D, Becker, Jk, Bednarek, W, Berger, K, Bernardini, E, Bigongiari, C, Biland, A, Bock, Rk, Bonnoli, G, Bordas, P, Bosch Ramon, V, Bretz, T, Britvitch, I, Camara, M, Carmona, E, Chilingarian, A, Commichau, S, Contreras, Jl, Cortina, J, Costado, Mt, Covino, S, Curtef, V, Dazzi, F, De Angelis, A, del Pozo ED, Reyes, Rdl, De Lotto, B, De Maria, M, De Sabata, F, Mendez, Cd, Dominguez, A, Dorner, D, Doro, M, Errando, M, Fagiolini, M, Ferenc, D, Fernandez, E, Firpo, R, Fonseca, Mv, Font, L, Galante, N, Lopez, Rjg, Garczarczyk, M, Gaug, M, Goebel, F, Hayashida, M, Herrero, A, Hohne, D, Hose, J, Hsu, Cc, 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, Jm, Mirzoyan, R, Mizobuchi, S, Moles, M, Moralejo, A, Nieto, D, Nilsson, K, Ninkovic, J, Otte, N, Oya, I, Panniello, M, Paoletti, R, Paredes, Jm, Pasanen, M, Pascoli, D, Pauss, F, Pegna, Rg, Perez Torres MA, 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, Ty, Salvati, M, Sanchez Conde, M, Sartori, P, Satalecka, K, Scalzotto, V, Scapin, V, Schweizer, T, Shayduk, M, Shinozaki, K, Shore, STEVEN NEIL, Sidro, N, Sierpowska Bartosik, A, Sillanpaa, A, Sobczynska, D, Spanier, F, Stamerra, A, Stark, Ls, Takalo, L, Tavecchio, F, Temnikov, P, Tescaro, D, Teshima, M, Tluczykont, M, Torres, Df, Turini, N, Vankov, H, Venturini, A, Vitale, V, Wagner, Rm, Wittek, W, Zabalza, V, Zandanel, F, Zanin, R, and Zapatero, J.
Published: 2008

226. Simultaneous multiwavelength observations of the blazar 1ES 1959+650 at a low TeV flux RID B-5372-2009

Author: Tagliaferri, G, Foschini, L, Ghisellini, G, Maraschi, L, Tosti, G, Albert, J, Aliu, E, Anderhub, H, Antoranz, P, Baixeras, C, Barrio, Ja, Bartko, H, Bastieri, D, Becker, Jk, Bednarek, W, Bedyugin, A, Berger, K, Bigongiari, C, Biland, A, Bock, Rk, Bordas, P, Bosch Ramon, V, Bretz, T, Britvitch, I, Camara, M, Carmona, E, Chilingarian, A, Coarasa, Ja, Commichau, S, Contreras, Jl, Cortina, J, Costado, Mt, Curtef, V, Danielyan, V, Dazzi, F, De Angelis, A, Delgado, C, de los Reyes, R, De Lotto, B, Dorner, D, Doro, M, Errando, M, Fagiolini, M, Ferenc, D, Fernandez, E, Firpo, R, Fonseca, Mv, Font, L, Fuchs, M, Galante, N, Garcia Lopez RJ, Garczarczyk, M, Gaug, M, Giller, M, Goebel, F, Hakobyan, D, Hayashida, M, Hengstebeck, T, Herrero, A, Hohne, D, Hose, J, Huber, S, Hsu, Cc, Jacon, P, Jogler, T, Kosyra, R, Kranich, D, Kritzer, R, Laille, A, Lindfors, E, Lombardi, S, Longo, F, Lopez, M, Lorenz, E, Majumdar, P, Maneva, G, Mannheim, K, Mariotti, M, Martinez, M, Mazin, D, Merck, C, Meucci, M, Meyer, M, Miranda, Jm, Mirzoyan, R, Mizobuchi, S, Moralejo, A, Nieto, D, Nilsson, K, Ninkovic, J, Ona Wilhelmi, E, Otte, N, Oya, I, Panniello, M, Paoletti, R, Paredes, Jm, Pasanen, M, Pascoli, D, Pauss, F, Pegna, R, Persic, M, Peruzzo, L, Piccioli, A, Prandini, E, Puchades, N, Raymers, A, Rhode, W, Ribo, M, Rico, J, Rissi, M, Robert, A, Rugamer, S, Saggion, A, Saito, Ty, 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, Spanier, F, Stamerra, A, Stark, Ls, Takalo, L, Tavecchio, F, Temnikov, P, Tescaro, D, Teshima, M, Torres, Df, Turini, N, Vankov, H, Venturini, A, Vitale, V, Wagner, Rm, Wibig, T, Wittek, W, Zandanel, F, Zanin, R, and Zapatero, J.
Published: 2008

227. Simultaneous Multiwavelength Observations of the Blazar 1ES 1959+650 at a Low TeV Flux

Author: Tagliaferri, G., Foschini, L., Ghisellini, G., Maraschi, L., Tosti, Gino, Albert, J., Aliu, E., Anderhub, H., Antoranz, P., Baixeras, C., Barrio, J. A., Bartko, H., Bastieri, D., Becker, J. K., Bednarek, W., Bedyugin, A., Berger, K., Bigongiari, C., Biland, A., Bock, R. K., Bordas, P., Bosch Ramon, V., Bretz, T., Britvitch, I., Camara, M., Carmona, E., Chilingarian, A., Coarasa, J. A., Commichau, S., Contreras, J. L., Cortina, J., Costado, M. T., Curtef, V., Danielyan, V., Dazzi, F., Angelis, A. D., Delgado, C., Los, R. d., Lotto, B. D., Dorner, D., Doro, M., Errando, M., Fagiolini, M., Ferenc, D., Fernández, E., Firpo, R., Fonseca, M. V., Font, L., Fuchs, M., Galante, N., García López, R. J., Garczarczyk, M., Gaug, M., Giller, M., Goebel, F., Hakobyan, D., Hayashida, M., Hengstebeck, T., Herrero, A., Höhne, D., Hose, J., Huber, S., Hsu, C. C., Jacon, P., Jogler, T., Kosyra, R., Kranich, D., Kritzer, R., Laille, A., Lindfors, E., Lombardi, S., Longo, F., López, M., Lorenz, E., Majumdar, P., Maneva, G., Mannheim, K., Mariotti, M., Martínez, M., Mazin, D., Merck, C., Meucci, M., Meyer, M., Miranda, J. M., Mirzoyan, R., Mizobuchi, S., Moralejo, A., Nieto, D., Nilsson, K., Ninkovic, J., Oña Wilhelmi, E., Otte, N., Oya, I., Panniello, M., Paoletti, R., Paredes, J. M., Pasanen, M., Pascoli, D., Pauss, F., Pegna, R., Persic, M., Peruzzo, L., Piccioli, A., Prandini, E., Puchades, N., Raymers, A., Rhode, W., Ribó, M., Rico, J., Rissi, M., Robert, A., Rügamer, S., Saggion, A., Saito, T. Y., Sánchez, A., Sartori, P., Scalzotto, V., Scapin, V., Schmitt, R., Schweizer, T., Shayduk, M., Shinozaki, K., Shore, S. N., Sidro, N., Sillanpää, A., 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., Venturini, A., Vitale, V., Wagner, R. M., Wibig, T., Wittek, W., Zandanel, F., Zanin, R., Zapatero, J., and Collaboration, M.
Subjects: X-Rays: Galaxies, Galaxies: Jets, Galaxies: BL Lacertae Objects: Individual: Alphanumeric: 1ES 1959+650, Galaxies: Active
Published: 2008

228. Systematic search for VHE gamma-ray emission from X-ray-bright high-frequency BL Lac objects RID B-5372-2009

Author: Albert, J, Aliu, E, Anderhub, H, Antoranz, P, Baixeras, C, Barrio, Ja, Bartko, H, Bastieri, D, Becker, Jk, Bednarek, W, Berger, K, Bigongiari, C, Biland, A, Bock, Rk, Bordas, P, Bosch Ramon, V, Bretz, T, Britvitch, I, Camara, M, Carmona, E, Chilingarian, A, Coarasa, Ja, Commichau, S, Contreras, Jl, Cortina, J, Costado, Mt, Curtef, V, Danielyan, V, Dazzi, F, De Angelis, A, Delgado, C, de los Reyes, R, De Lotto, B, Dorner, D, Doro, M, Errando, M, Fagiolini, M, Ferenc, D, Fernandez, E, Firpo, R, Fonseca, Mv, Font, L, Fuchs, M, Galante, N, Garcia Lopez RJ, Garczarczyk, M, Gaug, M, Giller, M, Goebel, F, Hakobyan, D, Hayashida, M, Hengstebeck, T, Herrero, A, Hoehne, D, Hose, J, Huber, S, Hsu, Cc, Jacon, P, Jogler, T, Kosyra, R, Kranich, D, Kritzer, R, Laille, A, Lindfors, E, Lombardi, S, Longo, F, Lopez, M, Lorenz, E, Majumdar, P, Maneva, G, Mannheim, K, Mariotti, M, Martinez, M, Mazin, D, Merck, C, Meucci, M, Meyer, M, Miranda, Jm, Mirzoyan, R, Mizobuchi, S, Moralejo, A, Nieto, D, Nilsson, K, Ninkovic, J, Ona Wilhelmi, E, Otte, N, Oya, I, Panniello, M, Paoletti, R, Paredes, Jm, Pasanen, M, Pascoli, D, Pauss, F, Pegna, R, Persic, M, Peruzzo, L, Piccioli, A, Prandini, E, Puchades, N, Raymers, A, Rhode, W, Ribo, M, Rico, J, Rissi, M, Robert, A, Rugamer, S, Saggion, A, Saito, Ty, 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, Spanier, F, Stamerra, A, Stark, Ls, Takalo, L, Temnikov, P, Tescaro, D, Teshima, M, Torres, Df, Turini, N, Vankov, H, Venturini, A, Vitale, V, Wagner, Rm, Wibig, T, Wittek, W, Zandanel, F, Zanin, R, and Zapatero, J.
Published: 2008

229. Multiwavelength (Radio, X-ray, and gamma-ray) observations of the gamma-ray binary LS I +61 303 RID B-5372-2009

Author: Albert, J, Aliu, E, Anderhub, H, Antoranz, P, Backes, M, Baixeras, C, Barrio, Ja, Bartko, H, Bastieri, D, Becker, Jk, Bednarek, W, Berger, K, Bigongiari, C, Biland, A, Bock, Rk, Bonnoli, G, Bordas, P, Bosch Ramon, V, Bretz, T, Britvitch, I, Camara, M, Carmona, E, Chilingarian, A, Commichau, S, Contreras, Jl, Cortina, J, Costado, Mt, Curtef, V, Dazzi, F, De Angelis, A, de los Reyes, R, De Lotto, B, De Maria, M, De Sabata, F, Mendez, Cd, Dorner, D, Doro, M, Errando, M, Fagiolini, M, Ferenc, D, Fernandez, E, Firpo, R, Fonseca, Mv, Font, L, Galante, N, Lopez, Rjg, Garczarczyk, M, Gaug, M, Goebel, F, Hayashida, M, Herrero, A, Hohne, D, Hose, J, Hsu, Cc, Huber, S, Jogler, T, Kosyra, R, Kranich, D, Laille, A, Leonardo, E, Lindfors, E, Lombardi, S, Longo, F, Lopez, M, Lorenz, E, Majumdar, P, Maneva, G, Mankuzhiyil, N, Mannheim, K, Mariotti, M, Martinez, M, Mazin, D, Merck, C, Meucci, M, Meyer, M, Miranda, Jm, Mirzoyan, R, Mizobuchi, S, Moles, M, Moralejo, A, Nieto, D, Nilsson, K, Ninkovic, J, Ona Wilhelmi, E, Otte, N, Oya, I, Panniello, M, Paoletti, R, Paredes, Jm, Pasanen, M, Pascoli, D, Pauss, F, Pegna, Rg, Perez Torres MA, 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, Ty, Sanchez, A, Sanchez Conde MA, Sartori, P, Scalzotto, V, Scapin, V, Schmitt, R, Schweizer, T, Shayduk, M, Shinozaki, K, Shore, STEVEN NEIL, Sidro, N, Sillanpaa, A, Sobczynska, D, Spanier, F, Stamerra, A, Stark, Ls, Takalo, L, Temnikov, P, Tescaro, D, Teshima, M, Torres, Df, Turini, N, Vankov, H, Venturini, A, Vitale, V, Wagner, Rm, Wittek, W, Zandanel, F, Zanin, R, Zapatero, J, Guerrero, Ma, Alberdi, A, Paragi, Z, Muxlow, Twb, and Diamond, P.
Published: 2008

230. First bounds on the high-energy emission from isolated Wolf-Rayet binary systems

Author: Aliu, E., Anderhub, H., Antonelli, L.A., Antoranz, P., Backes, M., Baixeras, C., Barrio, J.A., Bartko, H., Bastieri, D., K. Becker, J., Bednarek, W., Berger, K., Bernardini, E., Bigongiari, C., Biland, A., K. Bock, R., Bonnoli, G., Bordas, P., Bosch-Ramon, V., Bretz, T., Britvitch, I., Camara, M., Carmona, E., Chilingarian, A., Commichau, S., L. Contreras, J., Cortina, J., T. Costado, M., Covino, S., Curtef, V., Dazzi, F., De Angelis, A., De Ceadel Pozo, E., De Los Reyes, R., De Lotto, B., De Maria, M., De Sabata, F., Delgado Mendez, C., Dominguez, A., Dorner, D., Doro, M., Errando, M., Fagiolini, M., Ferenc, D., Fernández, E., Firpo, R., V. Fonseca, M., Font, L., Galante, N., J. García López, R., Garczarczyk, M., Gaug, M., Goebel, F., Hayashida, M., Herrero, A., Höhne, D., Hose, J., C. Hsu, C., Huber, S., Jogler, T., M. Kneiske, T., Kranich, D., La Barbera, A., Laille, A., Leonardo, E., Lindfors, E., Lombardi, S., Longo, F., López, M., Lorenz, E., Majumdar, P., Maneva, G., Mankuzhiyil, N., Mannheim, K., Maraschi, L., Mariotti, M., Martínez, M., Mazin, D., Meucci, M., Meyer, M., M. Miranda, J., Mirzoyan, R., Mizobuchi, S., Moles, M., Moralejo, A., Nieto, D., Nilsson, K., Ninkovic, J., De Oña Wilhelmi, E., Otte, N., Oya, I., Panniello, M., Paoletti, R., M. Paredes, J., Pasanen, M., Pascoli, D., Pauss, F., G. Pegna, R., A. Perez-Torres, M., Persic, M., Peruzzo, L., Piccioli, A., Prada, F., Prandini, E., Puchades, N., Raymers, A., Rhode, W., Ribó, M., Rico, J., Rissi, M., Robert, A., Rügamer, S., Saggion, A., Y. Saito, T., Salvati, M., Sanchez-Conde, M., Sartori, P., Satalecka, K., Scalzotto, V., Scapin, V., Schmitt, R., Schweizer, T., Shayduk, M., Shinozaki, K., N. Shore, S., Sidro, N., Sierpowska-Bartosik, A., Sillanpää, A., Sobczynska, D., Spanier, F., Stamerra, A., S. Stark, L., Takalo, L., Tavecchio, F., Temnikov, P., Tescaro, D., Teshima, M., Tluczykont, M., F. Torres, D., Turini, N., Vankov, H., Venturini, A., Vitale, V., M. Wagner, R., Wittek, W., Zabalza, V., Zandanel, F., Zanin, R., Zapatero, J., APC - Astrophysique des Hautes Energies (APC - AHE), AstroParticule et Cosmologie (APC (UMR_7164)), Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Dipartimento di Astronomia, Universita degli Studi di Bologna, Alma Mater Studiorum Università di Bologna [Bologna] (UNIBO)-Alma Mater Studiorum Università di Bologna [Bologna] (UNIBO), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS)-Alma Mater Studiorum Università di Bologna [Bologna] (UNIBO), Universitat de Barcelona, Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Dipartimento di Astronomia, Universita degli Studi di Bologna, Università di Bologna [Bologna] (UNIBO)-Università di Bologna [Bologna] (UNIBO), E., Aliu, H., Anderhub, L. A., Antonelli, P., Antoranz, M., Backe, C., Baixera, J. A., Barrio, H., Bartko, D., Bastieri, J. K., Becker, W., Bednarek, K., Berger, E., Bernardini, C., Bigongiari, A., Biland, R. K., Bock, G., Bonnoli, P., Borda, V., Bosch Ramon, T., Bretz, I., Britvitch, M., Camara, E., Carmona, A., Chilingarian, S., Commichau, J. L., Contrera, J., Cortina, M. T., Costado, S., Covino, V., Curtef, F., Dazzi, A. D., Angeli, E. D., del Pozo, R. D., Reye, B. D., Lotto, M. D., Maria, F. D., Sabata, C. D., Mendez, A., Dominguez, D., Dorner, M., Doro, M., Errando, M., Fagiolini, D., Ferenc, E., Fernandez, R., Firpo, M. V., Fonseca, L., Font, N., Galante, R. J. G., Lopez, M., Garczarczyk, M., Gaug, F., Goebel, M., Hayashida, A., Herrero, D., Hohne, J., Hose, C. C., Hsu, S., Huber, T., Jogler, D., Kranich, A. L., Barbera, A., Laille, E., Leonardo, E., Lindfor, S., Lombardi, Longo, Francesco, M., Lopez, E., Lorenz, P., Majumdar, G., Maneva, N., Mankuzhiyil, K., Mannheim, L., Maraschi, M., Mariotti, M., Martinez, D., Mazin, M., Meucci, M., Meyer, J. M., Miranda, R., Mirzoyan, M., Mole, A., Moralejo, D., Nieto, K., Nilsson, J., Ninkovic, E., Ona Wilhelmi, N., Otte, I., Oya, R., Paoletti, J. M., Parede, M., Pasanen, D., Pascoli, F., Pau, R. G., Pegna, M. A., Perez Torre, M., Persic, L., Peruzzo, A., Piccioli, F., Prada, E., Prandini, N., Puchade, A., Raymer, W., Rhode, M., Ribo, J., Rico, M., Rissi, A., Robert, S., Rugamer, A., Saggion, T. Y., Saito, M., Salvati, M., Sanchez Conde, P., Sartori, K., Satalecka, V., Scalzotto, V., Scapin, T., Schweizer, M., Shayduk, K., Shinozaki, S. N., Shore, N., Sidro, A., Sierpowska Bartosik, A., Sillanpaa, D., Sobczynska, F., Spanier, A., Stamerra, L. S., Stark, L., Takalo, F., Tavecchio, P., Temnikov, D., Tescaro, M., Teshima, M., Tluczykont, D. F., Torre, N., Turini, H., Vankov, A., Venturini, V., Vitale, R. M., Wagner, W., Wittek, V., Zabalza, F., Zandanel, R., Zanin, and J., Zapatero
Subjects: High energy, [SDU.ASTR.CO]Sciences of the Universe [physics]/Astrophysics [astro-ph]/Cosmology and Extra-Galactic Astrophysics [astro-ph.CO], High velocity, Astrophysics::High Energy Astrophysical Phenomena, Binary number, FOS: Physical sciences, Astrophysics, Astrophysics::Cosmology and Extragalactic Astrophysics, Star (graph theory), 01 natural sciences, [PHYS.ASTR.CO]Physics [physics]/Astrophysics [astro-ph]/Cosmology and Extra-Galactic Astrophysics [astro-ph.CO], Wolf–Rayet star, Raigs gamma, Observacions astronòmiques, 0103 physical sciences, Binary star, Astrophysics::Solar and Stellar Astrophysics, WR star binarie, 010303 astronomy & astrophysics, Cosmic rays, Astrophysics::Galaxy Astrophysics, WR star binaries, Physics, Very High Energy Gamma-ray Astronomy, MAGIC telescope, 010308 nuclear & particles physics, gamma ray astronomy, IMAGING CHERENKOV DETECTOR, Astrophysics (astro-ph), Gamma rays, Astronomy and Astrophysics, gamma rays, observations, Space and Planetary Science, High mass, ddc:520, Electrónica, Física nuclear, Electricidad, gamma rays: observations, Astronomical observations
Abstract: High-energy gamma-ray emission is theoretically expected to arise in tight binary star systems (with high mass loss and high velocity winds), although the evidence of this relationship has proven to be elusive so far. Here we present the first bounds on this putative emission from isolated Wolf-Rayet (WR) star binaries, WR 147 and WR 146, obtained from observations with the MAGIC telescope., (Authors are the MAGIC Collaboration.) Manuscript in press at The Astrophysical Journal Letters
Published: 2008

231. VHE gamma-ray observation of the Crab Nebula and its pulsar with the MAGIC telescope RID B-5372-2009

Author: Albert, J, Aliu, E, Anderhub, H, Antoranz, P, Armada, A, Baixeras, C, Barrio, Ja, Bartko, H, Bastieri, D, Becker, Jk, Bednarek, W, Berger, K, Bigongiari, C, Biland, A, Bock, Rk, Bordas, P, Bosch Ramon, V, Bretz, T, Britvitch, I, Camara, M, Carmona, E, Chilingarian, A, Coarasa, Ja, Commichau, S, Contreras, Jl, Cortina, J, Costado, Mt, Curtef, V, Danielyan, V, Dazzi, F, De Angelis, A, Delgado, C, 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, Garcia Lopez, R, Garczarczyk, M, Gaug, M, Giller, M, Goebel, F, Hakobyan, D, Hayashida, M, Hengstebeck, T, Herrero, A, Hohne, D, Hose, J, Hsu, Cc, Jacon, P, Jogler, T, Kosyra, R, Kranich, D, Kritzer, R, Laille, A, 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, Nieto, D, Nilsson, K, Ninkovic, J, Ona Wilhelmi, E, Otte, N, Oya, I, Paneque, D, Panniello, M, Paoletti, R, Paredes, Jm, Pasanen, M, Pascoli, D, Pauss, F, Pegna, R, Persic, M, Peruzzo, L, Piccioli, A, Poller, M, Prandini, E, Puchades, N, Raymers, A, Rhode, W, Ribo, M, Rico, J, 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, Df, Turini, N, Vankov, H, Vitale, V, Wagner, Rm, Wibig, T, Wittek, W, Zandanel, F, Zanin, R, and Zapatero, J.
Published: 2008

232. First bounds on the very high energy γ-ray emission from Arp 220

Author: Albert, J., Aliu, E., Anderhub, H., Antoranz, P., Armada, A., Baixeras, C., Barrio, J. A., Bartko, H., Bastieri, D., Becker, J., Bednarek, W., Berger, K., Bigongiari, C., Biland, A., 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., Angelis, A. D., Los, R. D., Lotto, B. D., 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., Jacon, P., Jogler, T., Kalekin, O., Kosyra, R., Kranich, D., Kritzer, R., Laille, A., 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, J. M., Mirzoyan, R., Mizobuchi, S., Moralejo, A., Nilsson, K., Ninkovic, J., Ona Wilhelmi, E., Otte, N., Oya, I., Paneque, D., Paoletti, Riccardo, Paredes, J. M., Pasanen, M., Pascoli, D., Pauss, F., Pegna, R., Persic, M., Peruzzo, L., Piccioli, A., Poller, M., Puchades, N., Prandini, E., Raymers, A., Rhode, W., Ribo, M., Rico, J., 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, S. N., Sidro, N., Sillanpaa, A., Sobczynska, D., Stamerra, Antonio, Stark, L. S., Takalo, L., Temnikov, P., Tescaro, D., Teshima, M., Tonello, N., Torres, D. F., Turini, N., Vankov, H., Vitale, V., Wagner, R. M., Wibig, T., Wittek, W., Zanin, R., Zapatero, J., J., Albert, E., Aliu, H., Anderhub, P., Antoranz, A., Armada, C., Baixera, J. A., Barrio, H., Bartko, D., Bastieri, J., Becker, W., Bednarek, K., Berger, C., Bigongiari, A., Biland, R. K., Bock, P., Borda, V., Bosch Ramon, T., Bretz, I., Britvitch, M., Camara, E., Carmona, A., Chilingarian, S., Ciprini, J. A., Coarasa, S., Commichau, J. L., Contrera, J., Cortina, V., Curtef, V., Danielyan, F., Dazzi, A. D., Angeli, R. D., Los Reye, B. D., Lotto, E., Domingo Santamaria, D., Dorner, M., Doro, M., Errando, M., Fagiolini, D., Ferenc, E., Fernandez, R., Firpo, J., Flix, M. V., Fonseca, L., Font, M., Fuch, N., Galante, M., Garczarczyk, M., Gaug, M., Giller, F., Goebel, D., Hakobyan, M., Hayashida, T., Hengstebeck, D., Hohne, J., Hose, C. C., Hsu, P., Jacon, T., Jogler, O., Kalekin, R., Kosyra, D., Kranich, R., Kritzer, A., Laille, P., Liebing, E., Lindfor, S., Lombardi, Longo, Francesco, J., Lopez, M., Lopez, E., Lorenz, P., Majumdar, G., Maneva, K., Mannheim, O., Mansutti, M., Mariotti, M., Martinez, D., Mazin, C., Merck, M., Meucci, M., Meyer, J. M., Miranda, R., Mirzoyan, S., Mizobuchi, A., Moralejo, K., Nilsson, J., Ninkovic, E., Ona Wilhelmi, N., Otte, I., Oya, D., Paneque, R., Paoletti, J. M., Parede, M., Pasanen, D., Pascoli, F., Pau, R., Pegna, M., Persic, L., Peruzzo, A., Piccioli, M., Poller, N., Puchade, E., Prandini, A., Raymer, W., Rhode, M., Ribo, J., Rico, M., Rissi, A., Robert, S., Rugamer, A., Saggion, A., Sanchez, P., Sartori, V., Scalzotto, V., Scapin, R., Schmitt, T., Schweizer, M., Shayduk, K., Shinozaki, S. N., Shore, N., Sidro, A., Sillanpaa, D., Sobczynska, A., Stamerra, L. S., Stark, L., Takalo, P., Temnikov, D., Tescaro, M., Teshima, N., Tonello, D. F., Torre, N., Turini, H., Vankov, V., Vitale, R. M., Wagner, T., Wibig, W., Wittek, R., Zanin, J., Zapatero, and Universitat de Barcelona
Subjects: ULTRALUMINOUS INFRARED GALAXIES, High energy, Infrared, IMAGES, Astrophysics::High Energy Astrophysical Phenomena, FOS: Physical sciences, Flux, Astrophysics, Astrophysics::Cosmology and Extragalactic Astrophysics, gamma ray astronomy, Cosmic rays, IMAGING CHERENKOV DETECTOR, Galaxie, STAR-FORMATION, law.invention, Telescope, Raigs gamma, law, HESS, MAGIC (telescope), Cherenkov radiation, Astrophysics::Galaxy Astrophysics, Physics, Astrophysics (astro-ph), Gamma rays, Gamma ray, MAGIC TELESCOPE, REGIONS, EGRET, Astronomy and Astrophysics, Galaxies, Galaxy, MAGIC telescope, Space and Planetary Science, Very High Energy Gamma-ray Astronomy, Electrónica, Física nuclear, Electricidad
Abstract: Using the Major Atmospheric Gamma Imaging Cherenkov Telescope (MAGIC), we have observed the nearest ultra-luminous infrared galaxy Arp 220 for about 15 hours. No significant signal was detected within the dedicated amount of observation time. The first upper limits to the very high energy $\gamma$-ray flux of Arp 220 are herein reported and compared with theoretical expectations., Comment: Accepted for publication in ApJ
Published: 2007

233. Variable very high energy gamma-ray emission from Markarian 501 RID B-5372-2009

Author: Albert, J, Aliu, E, Anderhub, H, Antoranz, P, Armada, A, Baixeras, C, Barrio, Ja, Bartko, H, Bastieri, D, Becker, Jk, Bednarek, W, Berger, K, Bigongiari, C, Biland, A, Bock, Rk, Bordas, P, Bosch Ramon, V, Bretz, T, Britvitch, I, Camara, M, Carmona, E, Chilingarian, A, Coarasa, Ja, Commichau, S, Contreras, Jl, Cortina, J, Costado, Mt, Curtef, V, Danielyan, V, Dazzi, F, De Angelis, A, Delgado, C, Reyes, Rdl, 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, Garcia Lopez RJ, Garczarczyk, M, Gaug, M, Giller, M, Goebel, F, Hakobyan, D, Hayashida, M, Hengstebeck, T, Herrero, A, Hohne, D, Hose, J, Hrupec, D, Hsu, Cc, Jacon, P, Jogler, T, Kosyra, R, Kranich, D, Kritzer, R, Laille, A, 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, Nieto, D, Nilsson, K, Ninkovic, J, Ona Wilhelmi, E, Otte, N, Oya, I, Paneque, D, Panniello, M, Paoletti, R, Paredes, Jm, Pasanen, M, Pascoli, D, Pauss, F, Pegna, R, Persic, M, Peruzzo, L, Piccioli, A, Prandini, E, Puchades, N, Raymers, A, Rhode, W, Ribo, M, Rico, J, Rissi, M, Robert, A, Rugamer, S, Saggion, A, Saito, T, 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, Tavecchio, F, Temnikov, P, Tescaro, D, Teshima, M, Torres, Df, Turini, N, Vankov, H, Vitale, V, Wagner, Rm, Wibig, T, Wittek, W, Zandanel, F, Zanin, R, and Zapatero, J.
Published: 2007

234. Discovery of very high energy gamma radiation from IC 443 with the MAGIC telescope RID B-5372-2009

Author: Albert, J, Aliu, E, Anderhub, H, Antoranz, P, Armada, A, Baixeras, C, Barrio, Ja, Bartko, H, Bastieri, D, Becker, Jk, Bednarek, W, Berger, K, Bigongiari, C, Biland, A, Bock, Rk, Bordas, P, Bosch Ramon, V, Bretz, T, Britvitch, I, Camara, M, Carmona, E, Chilingarian, A, Coarasa, Ja, Commichau, S, Contreras, Jl, Cortina, J, Costado, Mt, Curtef, V, Danielyan, V, Dazzi, F, De Angelis, A, Delgado, C, 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, Garcia Lopez RJ, Garczarczyk, M, Gaug, M, Giller, M, Goebel, F, Hakobyan, D, Hayashida, M, Hengstebeck, T, Herrero, A, Hohne, D, Hose, J, Hsu, Cc, Jacon, P, Jogler, T, Kosyra, R, Kranich, D, Kritzer, R, Laille, A, 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, Nieto, D, Nilsson, K, Ninkovic, J, Ona Wilhelmi, E, Otte, N, Oya, I, Paneque, D, Panniello, M, Paoletti, R, Paredes, Jm, Pasanen, M, Pascoli, D, Pauss, F, Pegna, R, Persic, M, Peruzzo, L, Piccioli, A, Prandini, E, Puchades, N, Raymers, A, Rhode, W, Ribo, M, Rico, J, Rissi, M, Robert, A, Rugamer, S, Saggion, A, Saito, T, 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, Torres, Df, Turini, N, Vankov, H, Vitale, V, Wagner, Rm, Wibig, T, Wittek, W, Zandanel, F, Zanin, R, and Zapatero, J.
Published: 2007

235. Observation of very high energy gamma-rays from the AGN 1ES 2344+514 in low emission state with the magic telescope

Author: Albert, J., Aliu, E., Anderhub, H., Antoranz, P., Armada, A., Baixeras, C., Barrio, J. A., Bartko, H., Bastieri, D., Becker, J. K., Bednarek, W., Berger, K., Bigongiari, C., Biland, A., 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., Costado, M. T., Curtef, V., Danielyan, V., Dazzi, F., Angelis, A. D., Delgado, C., Reyes, R. D. L., Lotto, B. D., Domingo Santamaria, E., Dorner, D., Doro, M., Errando, M., Fagiolini, M., Angelis, D., Ferenc, D., Fernandez, E., Firpo, R., Flix, J., Fonseca, M. V., Font, L., Fuchs, M., Galante, N., Garcia Lopez, R., Garczarczyk, M., Gaug, M., Giller, M., Goebel, F., Hakobyan, D., Hayashida, M., Hengstebeck, T., Herrero, A., Hohne, D., Hose, J., Hsu, C. C., Jacon, P., Jogler, T., Kalekin, O., Kosyra, R., Kranich, D., Kritzer, R., Laille, A., Liebing, P., Lindfors, E., Lombardi, S., Longo, Francesco, 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, J. M., Mirzoyan, R., Mizobuchi, S., Moralejo, A., Nilsson, K., Ninkovic, J., Onna Wilhelmi, E., Otte, N., Oya, I., Paneque, D., Panniello, M., Paoletti, R., Paredes, J. M., Pasanen, M., Pascoli, D., Pauss, F., Pegna, R., Persic, M., Peruzzo, L., Piccioli, A., Poller, M., Prandini, E., Puchades, N., Raymers, A., Rhode, W., Ribo, M., Rico, J., 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, S. N., Sidro, N., Sillanpaa, A., Sobczynska, D., Stamerra, A., Stark, L. S., Takalo, L., Temnikov, P., Tescaro, D., Teshima, M., Tonello, N., Torres, D. F., Turini, N., Vankov, H., Vitale, V., Wagner, R. M., Wibig, T., Wittek, W., Zandanel, F., Zanin, R., Zapatero, J., J., Albert, E., Aliu, H., Anderhub, P., Antoranz, A., Armada, C., Baixera, J. A., Barrio, H., Bartko, D., Bastieri, J. K., Becker, W., Bednarek, K., Berger, C., Bigongiari, A., Biland, R. K., Bock, P., Borda, V., Bosch Ramon, T., Bretz, I., Britvitch, M., Camara, E., Carmona, A., Chilingarian, S., Ciprini, J. A., Coarasa, S., Commichau, J. L., Contrera, J., Cortina, M. T., Costado, V., Curtef, V., Danielyan, F., Dazzi, A. D., Angeli, C., Delgado, R. D. L., Reye, B. D., Lotto, E., Domingo Santamaria, D., Dorner, M., Doro, M., Errando, M., Fagiolini, D., Angeli, D., Ferenc, E., Fernandez, R., Firpo, J., Flix, M. V., Fonseca, L., Font, M., Fuch, N., Galante, R., Garcia Lopez, M., Garczarczyk, M., Gaug, M., Giller, F., Goebel, D., Hakobyan, M., Hayashida, T., Hengstebeck, A., Herrero, D., Hohne, J., Hose, C. C., Hsu, P., Jacon, T., Jogler, O., Kalekin, R., Kosyra, D., Kranich, R., Kritzer, A., Laille, P., Liebing, E., Lindfor, S., Lombardi, Longo, Francesco, J., Lopez, M., Lopez, E., Lorenz, P., Majumdar, G., Maneva, K., Mannheim, O., Mansutti, M., Mariotti, M., Martinez, D., Mazin, C., Merck, M., Meucci, M., Meyer, J. M., Miranda, R., Mirzoyan, S., Mizobuchi, A., Moralejo, K., Nilsson, J., Ninkovic, E., Onna Wilhelmi, N., Otte, I., Oya, D., Paneque, M., Panniello, R., Paoletti, J. M., Parede, M., Pasanen, D., Pascoli, F., Pau, R., Pegna, M., Persic, L., Peruzzo, A., Piccioli, M., Poller, E., Prandini, N., Puchade, A., Raymer, W., Rhode, M., Ribo, J., Rico, M., Rissi, A., Robert, S., Rugamer, A., Saggion, A., Sanchez, P., Sartori, V., Scalzotto, V., Scapin, R., Schmitt, T., Schweizer, M., Shayduk, K., Shinozaki, S. N., Shore, N., Sidro, A., Sillanpaa, D., Sobczynska, A., Stamerra, L. S., Stark, L., Takalo, P., Temnikov, D., Tescaro, M., Teshima, N., Tonello, D. F., Torre, N., Turini, H., Vankov, V., Vitale, R. M., Wagner, T., Wibig, W., Wittek, F., Zandanel, R., Zanin, and J., Zapatero
Subjects: ACTIVE GALACTIC NUCLEI, High energy, Photon, Astrophysics::High Energy Astrophysical Phenomena, UNIVERSE, Flux, FOS: Physical sciences, Astrophysics, gamma ray astronomy, Cosmic rays, IMAGING CHERENKOV DETECTOR, 01 natural sciences, Power law, law.invention, law, 0103 physical sciences, SPECTRA, MAGIC (telescope), 010303 astronomy & astrophysics, MULTIWAVELENGTH OBSERVATIONS, Physics, 010308 nuclear & particles physics, CHERENKOV TELESCOPES, Astrophysics (astro-ph), Gamma ray, HEGRA, EINSTEIN SLEW SURVEY, Astronomy and Astrophysics, Active Galactic Nuclei, BL-LACERTAE OBJECTS, MAGIC telescope, LAC OBJECTS, DISCOVERY, RADIATION, Space and Planetary Science, Very High Energy Gamma-ray Astronomy, Electrónica, Física nuclear, High Energy Physics::Experiment, Electricidad, Flare
Abstract: The MAGIC collaboration has observed very high energy gamma ray emission from the AGN 1ES 2344+514. A gamma-ray signal corresponding to an 11 sigma excess and an integral flux of (2.38+-0.30(stat)+-0.70(syst))*10^-11 cm^-2 s^-1 above 200 GeV has been obtained from 23.1 hours of data taking between 2005 August 3 and 2006 January 1. The data confirm the previously detected gamma-ray emission from this object during a flare seen by the Whipple collaboration in 1995 and the evidence (below 5 sigma significance level) from long-term observations conducted by the Whipple and HEGRA groups. The MAGIC observations show a relatively steep differential photon spectrum that can be described by a power law with a photon index of alpha=-2.95+-0.12(stat)+-0.2(syst) between 140 GeV and 5.4 TeV. The observations reveal a low flux state, about six times below the 1995 flare seen by Whipple and comparable with the previous Whipple and HEGRA long term measurements. During the MAGIC observations no significant time variability has been observed., Comment: 7 pages, 7 figures, ApJ in press; updated fig. 4, fig. 7, tab. 3, removed typo in differential spectra
Published: 2007

236. Observations of Markarian 421 with the MAGIC telescope RID B-5372-2009

Author: 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, 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, Jogler, T, Kalekin, O, Kosyra, R, Kranich, D, Kritzer, R, Laatiaoui, M, Laille, A, 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, 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, and Zapatero, J.
Published: 2007

237. Observation of very high energy gamma-rays from the AGN 1ES 2344+514 in low emission state with the magic telescope RID B-5372-2009

Author: Albert, J, Aliu, E, Anderhub, H, Antoranz, P, Armada, A, Baixeras, C, Barrio, Ja, Bartko, H, Bastieri, D, Becker, Jk, Bednarek, W, Berger, K, Bigongiari, C, Biland, A, 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, Costado, Mt, Curtef, V, Danielyan, V, Dazzi, F, De Angelis, A, Delgado, C, Reyes, Rdl, De Lotto, B, Domingo Santamaria, E, Dorner, D, Doro, M, Errando, M, Fagiolini, M, Angelis, De, Ferenc, D, Fernandez, E, Firpo, R, Flix, J, Fonseca, Mv, Font, L, Fuchs, M, Galante, N, Garcia Lopez, R, Garczarczyk, M, Gaug, M, Giller, M, Goebel, F, Hakobyan, D, Hayashida, M, Hengstebeck, T, Herrero, A, Hohne, D, Hose, J, Hsu, Cc, Jacon, P, Jogler, T, Kalekin, O, Kosyra, R, Kranich, D, Kritzer, R, Laille, A, 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, Onna Wilhelmi, E, Otte, N, Oya, I, Paneque, D, Panniello, M, Paoletti, R, Paredes, Jm, Pasanen, M, Pascoli, D, Pauss, F, Pegna, R, Persic, M, Peruzzo, L, Piccioli, A, Poller, M, Prandini, E, Puchades, N, Raymers, A, Rhode, W, Ribo, M, Rico, J, 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, Df, Turini, N, Vankov, H, Vitale, V, Wagner, Rm, Wibig, T, Wittek, W, Zandanel, F, Zanin, R, and Zapatero, J.
Published: 2007

238. Very high energy gamma-ray radiation from the stellar mass black hole binary Cygnus X-1 RID B-5372-2009

Author: Albert, J, Aliu, E, Anderhub, H, Antoranz, P, Armada, A, Baixeras, C, Barrio, Ja, Bartko, H, Bastieri, D, Becker, Jk, Bednarek, W, Berger, K, Bigongiari, C, Biland, A, Bock, Rk, Bordas, P, Bosch Ramon, V, Bretz, T, Britvitch, I, Camara, M, Carmona, E, Chilingarian, A, Coarasa, Ja, Commichau, S, Contreras, Jl, Cortina, J, Costado, Mt, Curtef, V, Danielyan, V, Dazzi, F, De Angelis, A, Delgado, C, 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, Garcia Lopez RJ, Garczarczyk, M, Gaug, M, Giller, M, Goebel, F, Hakobyan, D, Hayashida, M, Hengstebeck, T, Herrero, A, Hohne, D, Hose, J, Hsu, Cc, Jacon, P, Jogler, T, Kosyra, R, Kranich, D, Kritzer, R, Laille, A, 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, Nieto, D, Nilsson, K, Ninkovic, J, Ona Wilhelmi, E, Otte, N, Oya, I, Panniello, M, Paoletti, R, Paredes, Jm, Pasanen, M, Pascoli, D, Pauss, F, Pegna, R, Persic, M, Peruzzo, L, Piccioli, A, Prandini, E, Puchades, N, Raymers, A, Rhode, W, Ribo, M, Rico, J, Rissi, M, Robert, A, Rugamer, S, Saggion, A, Saito, T, 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, Torres, Df, Turini, N, Vankov, H, Vitale, V, Wagner, Rm, Wibig, T, Wittek, W, Zandanel, F, Zanin, R, and Zapatero, J.
Published: 2007

239. Constraints on the steady and pulsed very high energy gamma-ray emission from observations of PSR B1951+32/CTB 80 with the magic telescope

Author: Albert, J, Aliu, E, Anderhub, H, Antoranz, P, Armada, A, Baixeras, C, Barrio, Ja, Bartko, H, Bastieri, Denis, Becker, Jk, Bednarek, W, Berger, K, Bigongiari, C, Biland, A, Bock, Rk, Bordas, P, BOSCH RAMON, V, Bretz, T, Britvitch, I, Camara, M, Carmona, E, Chilingarian, A, Coarasa, Ja, Commichau, S, Contreras, Jl, Cortina, J, Costado, Mt, Curtef, V, Danielyan, V, Dazzi, Francesco, DE ANGELIS, A, Delgado, C, Reyes, Rdl, DE LOTTO, B, DOMINGO SANTAMARIA, E, Dorner, D, Doro, Michele, Errando, M, Fagiolini, M, Ferenc, D, Fernandez, E, Firpo, R, Flix, J, Fonseca, Mv, Font, L, Fuchs, M, Galante, N, GARCIA LOPEZ, R, Garczarczyk, M, Gaug, M, Giller, M, Goebel, F, Hakobyan, D, Hayashida, M, Hengstebeck, T, Herrero, A, Hirotani, K, Hne, Dhr, Hose, J, Hsu, Cc, Jacon, P, Jogler, T, Kosyra, R, Kranich, D, Kritzer, R, Laille, A, Lindfors, E, Lombardi, S, Longo, F, Lopez, J, Lopez, M, Lorenz, E, Majumdar, P, Maneva, G, Mannheim, K, Mansutti, O, Mariotti, Mose', Martinez, M, Mazin, D, Merck, C, Meucci, M, Meyer, M, Miranda, Jm, Mirzoyan, R, Mizobuchi, S, Moralejo, A, Nieto, D, Nilsson, K, Ninkovic, J, ONA WILHELMI, E, Otte, N, Oya, I, Paneque, D, Panniello, M, Paoletti, R, Paredes, Jm, Pasanen, M, Pascoli, Donatella, Pauss, F, Pegna, R, Persic, M, Peruzzo, Luigi, Piccioli, A, Poller, M, Prandini, E, Puchades, N, Raymers, A, Rhode, W, Ribo, M, Rico, J, Rissi, M, Robert, A, Gamer, Srr, Saggion, Antonio, Sanchez, A, Sartori, Paolo, Scalzotto, VILLI MARIO, Scapin, V, Schmitt, R, Schweizer, T, Shayduk, M, Shinozaki, K, Shore, Sn, Sidro, N, Sillanpaa, A, Sobczynska, D, Stamerra, A, Stark, Ls, Takalo, L, Temnikov, P, Tescaro, D, Teshima, M, Tonello, N, Torres, Df, Turini, N, Vankov, H, Vitale, V, Wagner, Rm, Wibig, T, Wittek, W, Zandanel, F, Zanin, R, Zapatero, J., J., Albert, E., Aliu, H., Anderhub, P., Antoranz, A., Armada, C., Baixera, J. A., Barrio, H., Bartko, D., Bastieri, J. K., Becker, W., Bednarek, K., Berger, C., Bigongiari, A., Biland, R. K., Bock, P., Borda, V., Bosch Ramon, T., Bretz, I., Britvitch, M., Camara, E., Carmona, A., Chilingarian, J. A., Coarasa, S., Commichau, J. L., Contrera, J., Cortina, M. T., Costado, V., Curtef, V., Danielyan, F., Dazzi, A. D., Angeli, C., Delgado, R. D. L., Reye, B. D., Lotto, E., Domingo Santamaria, D., Dorner, M., Doro, M., Errando, M., Fagiolini, D., Ferenc, E., Fernandez, R., Firpo, J., Flix, M. V., Fonseca, L., Font, M., Fuch, N., Galante, R., Garcia Lopez, M., Garczarczyk, M., Gaug, M., Giller, F., Goebel, D., Hakobyan, M., Hayashida, T., Hengstebeck, A., Herrero, K., Hirotani, D. H. R., Hne, J., Hose, C. C., Hsu, P., Jacon, T., Jogler, R., Kosyra, D., Kranich, R., Kritzer, A., Laille, E., Lindfor, S., Lombardi, Longo, Francesco, J., Lopez, M., Lopez, E., Lorenz, P., Majumdar, G., Maneva, K., Mannheim, O., Mansutti, M., Mariotti, M., Martinez, D., Mazin, C., Merck, M., Meucci, M., Meyer, J. M., Miranda, R., Mirzoyan, S., Mizobuchi, A., Moralejo, D., Nieto, K., Nilsson, J., Ninkovic, E., Ona Wilhelmi, N., Otte, I., Oya, D., Paneque, M., Panniello, R., Paoletti, J. M., Parede, M., Pasanen, D., Pascoli, F., Pau, R., Pegna, M., Persic, L., Peruzzo, A., Piccioli, M., Poller, E., Prandini, N., Puchade, A., Raymer, W., Rhode, M., Ribo, J., Rico, M., Rissi, A., Robert, S. R. R., Gamer, A., Saggion, A., Sanchez, P., Sartori, V., Scalzotto, V., Scapin, R., Schmitt, T., Schweizer, M., Shayduk, K., Shinozaki, S. N., Shore, N., Sidro, A., Sillanpaa, D., Sobczynska, A., Stamerra, L. S., Stark, L., Takalo, P., Temnikov, D., Tescaro, M., Teshima, N., Tonello, D. F., Torre, N., Turini, H., Vankov, V., Vitale, R. M., Wagner, T., Wibig, W., Wittek, F., Zandanel, R., Zanin, and J., Zapatero
Subjects: SUPERNOVA REMNANT CTB-80, CTB80, Very High Energy Gamma-ray Astronomy, Pulsar, Pulsar Wind Nebulae, MAGIC telescope, PSR B1951+32, gamma ray astronomy, Cosmic rays, IMAGING CHERENKOV DETECTOR, RAPIDLY SPINNING PULSARS, CRAB-NEBULA, GAPS, MAGNETOSPHERES, RADIATION, WIND NEBULAE, VELA-X
Abstract: We report on very high energy gamma-ray observations with the MAGIC Telescope of the pulsar PSR B1951+32 and its associated nebula, CTB 80. Our data constrain the cutoff energy of the pulsar to be less than 32 GeV, assuming the pulsed gamma-ray emission to be exponentially cut off. In the case that the cutoff follows a superexponential behavior, the cutoff energy can be as high as similar to 60 GeV. The upper limit on the flux of pulsed gamma-ray emission above 75 GeV is 4.3; 10(-11) photons cm(-2) s(-1), and the upper limit on the flux of steady emission above 140 GeV is 1.5; 10(-11) photons cm(-2) s(-1). We discuss our results in the framework of recent model predictions and other studies.
Published: 2007

240. Magic upper limits on the very high energy emission from gamma-ray bursts RID B-5372-2009

Author: Albert, J, Aliu, E, Anderhub, H, Antoranz, P, Armada, A, Baixeras, C, Barrio, Ja, Bartko, H, Bastieri, D, Becker, J, Bednarek, W, Berger, K, Bigongiari, C, Biland, A, 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, Costado, Mt, Curtef, V, Danielyan, V, Dazzi, F, De Angelis, A, Delgado, C, 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, Garcia Lopez, R, Garczarczyk, M, Gaug, M, Giller, M, Goebel, F, Hakobyan, D, Hayashida, M, Hengstebeck, T, Herrero, A, Hohne, D, Hose, J, Hsu, Cc, Jacon, P, Jogler, T, Kalekin, O, Kosyra, R, Kranich, D, Kritzer, R, 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, Otte, N, Oya, I, Paneque, D, Panniello, M, Paoletti, R, Paredes, Jm, Pasanen, M, Pascoli, D, Pauss, F, Pegna, R, Persic, M, Peruzzo, L, Piccioli, A, Poller, M, Prandini, E, Puchades, N, Raymers, A, Rhode, W, Ribo, M, Rico, J, 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, Df, Turini, N, Vankov, H, Vitale, V, Wagner, Rm, Wibig, T, Wittek, W, Zanin, R, and Zapatero, J.
Published: 2007

241. Constraints on the steady and pulsed very high energy gamma-ray emission from observations of PSR B1951+32/CTB 80 with the magic telescope RID B-5372-2009

Author: Albert, J, Aliu, E, Anderhub, H, Antoranz, P, Armada, A, Baixeras, C, Barrio, Ja, Bartko, H, Bastieri, D, Becker, Jk, Bednarek, W, Berger, K, Bigongiari, C, Biland, A, Bock, Rk, Bordas, P, Bosch Ramon, V, Bretz, T, Britvitch, I, Camara, M, Carmona, E, Chilingarian, A, Coarasa, Ja, Commichau, S, Contreras, Jl, Cortina, J, Costado, Mt, Curtef, V, Danielyan, V, Dazzi, F, De Angelis, A, Delgado, C, Reyes, Rdl, 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, Garcia Lopez, R, Garczarczyk, M, Gaug, M, Giller, M, Goebel, F, Hakobyan, D, Hayashida, M, Hengstebeck, T, Herrero, A, Hirotani, K, Hne, Dhr, Hose, J, Hsu, Cc, Jacon, P, Jogler, T, Kosyra, R, Kranich, D, Kritzer, R, Laille, A, 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, Nieto, D, Nilsson, K, Ninkovic, J, Ona Wilhelmi, E, Otte, N, Oya, I, Paneque, D, Panniello, M, Paoletti, R, Paredes, Jm, Pasanen, M, Pascoli, D, Pauss, F, Pegna, R, Persic, M, Peruzzo, L, Piccioli, A, Poller, M, Prandini, E, Puchades, N, Raymers, A, Rhode, W, Ribo, M, Rico, J, Rissi, M, Robert, A, Gamer, Srr, 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, Df, Turini, N, Vankov, H, Vitale, V, Wagner, Rm, Wibig, T, Wittek, W, Zandanel, F, Zanin, R, and Zapatero, J.
Published: 2007

242. Observation of VHE gamma-rays from Cassiopeia A with the MAGIC telescope RID B-5372-2009

Author: Albert, J, Aliu, E, Anderhub, H, Antoranz, P, Armada, A, Baixeras, C, Barrio, Ja, Bartko, H, Bastieri, D, Becker, Jk, Bednarek, W, Berger, K, Bigongiari, C, Biland, A, Bock, Rk, Bordas, P, Bosch Ramon, V, Bretz, T, Britvitch, I, Camara, M, Carmona, E, Chilingarian, A, Coarasa, Ja, Commichau, S, Contreras, Jl, Cortina, J, Costado, Mt, Curtef, V, Danielyan, V, Dazzi, F, De Angelis, A, Delgado, C, 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, Garcia Lopez, R, Garczarczyk, M, Gaug, M, Giller, M, Goebel, F, Hakobyan, D, Hayashida, M, Hengstebeck, T, Herrero, A, Hohne, D, Hose, J, Hsu, Cc, Jacon, P, Jogler, T, Kosyra, R, Kranich, D, Kritzer, R, Laille, A, 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, Otte, N, Oya, I, Paneque, D, Panniello, M, Paoletti, R, Paredes, Jm, Pasanen, M, Pascoli, D, Pauss, F, Pegna, R, Persic, M, Peruzzo, L, Piccioli, A, Poller, M, Puchades, N, Prandini, E, Raymers, A, Rhode, W, Ribo, M, Rico, J, 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, Df, Turini, N, Vankov, H, Vitale, V, Wagner, Rm, Wibig, T, Wittek, W, Zandanel, F, Zanin, R, and Zapatero, J.
Published: 2007

243. First bounds on the very high energy gamma-ray emission from Arp 220 RID B-5372-2009

Author: Albert, J, Aliu, E, Anderhub, H, Antoranz, P, Armada, A, Baixeras, C, Barrio, Ja, Bartko, H, Bastieri, D, Becker, J, Bednarek, W, Berger, K, Bigongiari, C, Biland, A, 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, Jogler, T, Kalekin, O, Kosyra, R, Kranich, D, Kritzer, R, Laille, A, 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, 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, Puchades, N, Prandini, E, Raymers, A, Rhode, W, Ribo, M, Rico, J, 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, Df, Turini, N, Vankov, H, Vitale, V, Wagner, Rm, Wibig, T, Wittek, W, Zanin, R, and Zapatero, J.
Published: 2007

244. First bounds on very high energy gamma-ray emission from Arp 220

Author: Albert, J., Aliu, E., Anderhub, H., Antoranz, P., Armada, A., Baixeras, C., Barrio, J. A., Bartko, H., Bastieri, D., Becker, J., Bednarek, W., Berger, K., Bigongiari, C., Biland, A., 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-Santamaría, E., Dorner, D., Doro, M., Errando, M., Fagiolini, M., Ferenc, D., Fernández, 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., Höhne, D., Hose, J., Hsu, C. C., Jacon, P., Jogler, T., Kalekin, O., Kosyra, R., Kranich, D., Kritzer, R., Laille, A., Liebing, P., Lindfors, E., Lombardi, S., Longo, F., López, J., López, M., Lorenz, E., Majumdar, P., Maneva, G., Mannheim, K., Mansutti, O., Mariotti, M., Martínez, M., Mazin, D., Merck, C., Meucci, M., Meyer, M., Miranda, J. M., Mirzoyan, R., Mizobuchi, S., Moralejo, A., Nilsson, K., Ninkovic, J., Oña-Wilhelmi, E., Otte, N., Oya, I., Paneque, D., Paoletti, R., Paredes, J. M., Pasanen, M., Pascoli, D., Pauss, F., Pegna, R., Persic, M., Peruzzo, L., Piccioli, A., Poller, M., Puchades, N., Prandini, E., Raymers, A., Rhode, W., Ribó, M., Rico, J., Rissi, M., Robert, A., Rügamer, S., Saggion, A., Sánchez, A., Sartori, P., Scalzotto, V., Scapin, V., Schmitt, R., Schweizer, T., Shayduk, M., Shinozaki, K., Shore, S. N., Sidro, N., Sillanpää, A., Sobczynska, D., Stamerra, A., Stark, L. S., Takalo, L., Temnikov, P., Tescaro, D., Teshima, M., Tonello, N., Torres, D. F., Turini, N., Vankov, H., Vitale, V., Wagner, R. M., Wibig, T., Wittek, W., Zanin, R., and Zapatero, J.
Published: 2007

245. Very high energy gamma-ray radiation from the stellar mass black hole binary Cygnus X-1

Author: Albert, J., Aliu, E., Anderhub, H., Antoranz, P., Armada, A., Baixeras, C., Barrio, J. A., Bartko, H., Bastieri, Denis, Becker, J. K., Bednarek, W., Berger, K., Bigongiari, Ciro, Biland, A., Bock, R. K., Bordas, P., Bosch Ramon, V., Bretz, T., Britvitch, I., Camara, M., Carmona, E., Chilingarian, A., Coarasa, J. A., Commichau, S., Contreras, J. L., Cortina, J., Costado, M. T., Curtef, V., Danielyan, V., Dazzi, Francesco, De Angelis, A., Delgado, C., de los Reyes, R., De Lotto, B., Domingo Santamaría, E., Dorner, D., Doro, Michele, Errando, M., Fagiolini, M., Ferenc, D., Fernández, E., Firpo, R., Flix, J., Fonseca, M. V., Font, L., Fuchs, M., Galante, N., García López, R. J., Garczarczyk, M., Gaug, M., Giller, M., Goebel, F., Hakobyan, D., Hayashida, M., Hengstebeck, T., Herrero, A., Höhne, D., Hose, J., Hsu, C. C., Jacon, P., Jogler, T., Kosyra, R., Kranich, D., Kritzer, R., Laille, A., Lindfors, E., Lombardi, Saverio, Longo, F., López, J., López, M., Lorenz, E., Majumdar, P., Maneva, G., Mannheim, K., Mansutti, O., Mariotti, Mose', Martínez, M., Mazin, D., Merck, C., Meucci, M., Meyer, M., Miranda, J. M., Mirzoyan, R., Mizobuchi, S., Moralejo, A., Nieto, D., Nilsson, K., Ninkovic, J., Oña Wilhelmi, E., Otte, N., Oya, I., Panniello, M., Paoletti, R., Paredes, J. M., Pasanen, M., Pascoli, Donatella, Pauss, F., Pegna, R., Persic, M., Peruzzo, Luigi, Piccioli, A., Prandini, Elisa, Puchades, N., Raymers, A., Rhode, W., Ribó, M., Rico, J., Rissi, M., Robert, A., Rügamer, S., Saggion, Antonio, Saito, T., Sánchez, A., Sartori, Paolo, Scalzotto, VILLI MARIO, Scapin, V., Schmitt, R., Schweizer, T., Shayduk, M., Shinozaki, K., Shore, S. N., Sidro, N., Sillanpää, A., Sobczynska, D., Stamerra, A., Stark, L. S., Takalo, L., Temnikov, P., Tescaro, D., Teshima, M., Torres, D. F., Turini, N., Vankov, H., Vitale, V., Wagner, R. M., Wibig, T., Wittek, W., Zandanel, F., Zanin, R., Zapatero, J., J., Albert, E., Aliu, H., Anderhub, P., Antoranz, A., Armada, C., Baixera, J. A., Barrio, H., Bartko, D., Bastieri, J. K., Becker, W., Bednarek, K., Berger, C., Bigongiari, A., Biland, R. K., Bock, P., Borda, V., Bosch Ramon, T., Bretz, I., Britvitch, M., Camara, E., Carmona, A., Chilingarian, J. A., Coarasa, S., Commichau, J. L., Contrera, J., Cortina, M. T., Costado, V., Curtef, V., Danielyan, F., Dazzi, A. D., Angeli, C., Delgado, R., Reye, B. D., Lotto, E., Domingo SantamariA, D., Dorner, M., Doro, M., Errando, M., Fagiolini, D., Ferenc, E., Fernandez, R., Firpo, J., Flix, M. V., Fonseca, L., Font, M., Fuch, N., Galante, R. J., Garcia Lopez, M., Garczarczyk, M., Gaug, M., Giller, F., Goebel, D., Hakobyan, M., Hayashida, T., Hengstebeck, A., Herrero, D., Hohne, J., Hose, C. C., Hsu, P., Jacon, T., Jogler, R., Kosyra, D., Kranich, R., Kritzer, A., Laille, E., Lindfor, S., Lombardi, Longo, Francesco, J., Lopez, M., Lopez, E., Lorenz, P., Majumdar, G., Maneva, K., Mannheim, O., Mansutti, M., Mariotti, M., Martinez, D., Mazin, C., Merck, M., Meucci, M., Meyer, J. M., Miranda, R., Mirzoyan, S., Mizobuchi, A., Moralejo, D., Nieto, K., Nilsson, J., Ninkovic, E., Ona Wilhelmi, N., Otte, I., Oya, M., Panniello, R., Paoletti, J. M., Parede, M., Pasanen, D., Pascoli, F., Pau, R., Pegna, M., Persic, L., Peruzzo, A., Piccioli, E., Prandini, N., Puchade, A., Raymer, W., Rhode, M., Ribo, J., Rico, M., Rissi, A., Robert, S., Rugamer, A., Saggion, T., Saito, A., Sanchez, P., Sartori, V., Scalzotto, V., Scapin, R., Schmitt, T., Schweizer, M., Shayduk, K., Shinozaki, S. N., Shore, N., Sidro, A., Sillanpaa, D., Sobczynska, A., Stamerra, L. S., Stark, L., Takalo, P., Temnikov, D., Tescaro, M., Teshima, D. F., Torre, N., Turini, H., Vankov, V., Vitale, R. M., Wagner, T., Wibig, W., Wittek, F., Zandanel, R., Zanin, and J., Zapatero
Subjects: Black Holes, Stellar mass, Flux, FOS: Physical sciences, Astrophysics, law.invention, X-ray astronomy, law, Gamma ray astronomy, Astronomia de raigs gamma, Physics, Nebula, Acceleradors de partícules, Astrophysics (astro-ph), Gamma ray, Sigma, Astronomy and Astrophysics, Black Hole, Very High Energy Gamma-ray Astronomy, MAGIC telescope, Particle accelerators, Astronomia de raigs X, Black hole, Crab Nebula, Space and Planetary Science, Electrónica, Física nuclear, Electricidad, Flare
Abstract: We report on the results from the observations in very high energy band (VHE, E_gamma > 100 GeV) of the black hole X-ray binary (BHXB) Cygnus X-1. The observations were performed with the MAGIC telescope, for a total of 40 hours during 26 nights, spanning the period between June and November 2006. Searches for steady gamma-ray signals yielded no positive result and upper limits to the integral flux ranging between 1 and 2% of the Crab nebula flux, depending on the energy, have been established. We also analyzed each observation night independently, obtaining evidence of gamma-ray signals at the 4.0 standard deviations (sigma) significance level (3.2 sigma after trial correction) for 154 minutes effective on-time (EOT) on September 24 between 20h58 and 23h41 UTC, coinciding with an X-ray flare seen by RXTE, Swift and INTEGRAL. A search for faster-varying signals within a night resulted in an excess with a significance of 4.9 sigma (4.1 sigma after trial correction) for 79 minutes EOT between 22h17 and 23h41 UTC. The measured excess is compatible with a point-like source at the position of Cygnus X-1, and excludes the nearby radio nebula powered by its relativistic jet. The differential energy spectrum is well fitted by an unbroken power-law described by dN/(dA dt dE) = (2.3+- 0.6) x 10^{-12} (E/1 TeV)^{-3.2 +- 0.6}. This is the first experimental evidence of VHE emission from a stellar-mass black hole, and therefore from a confirmed accreting X-ray binary., 4 ApJL-formatted pages, 4 figures. Revised version accepted for publication at ApJL (26-06-2007)
Published: 2007

246. Discovery of very high energy gamma-rays from 1ES 1011+496 at z=0.212 RID B-5372-2009

Author: Albert, J, Aliu, E, Anderhub, H, Antoranz, P, Armada, A, Baixeras, C, Barrio, Ja, Bartko, H, Bastieri, D, Becker, Jk, Bednarek, W, Berger, K, Bigongiari, C, Biland, A, Bock, Rk, Bordas, P, Bosch Ramon, V, Bretz, T, Britvitch, I, Camara, M, Carmona, E, Chilingarian, A, Coarasa, Ja, Commichau, S, Contreras, Jl, Cortina, J, Costado, Mt, Curtef, V, Danielyan, V, Dazzi, F, De Angelis, A, Delgado, C, Reyes, Rd, 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, Garcia Lopez RJ, Garczarczyk, M, Gaug, M, Giller, M, Goebel, F, Hakobyan, D, Hayashida, M, Hengstebeck, T, Herrero, A, Hohne, D, Hose, J, Hsu, Cc, Jacon, P, Jogler, T, Kosyra, R, Kranich, D, Kritzer, R, Laille, A, 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, Nieto, D, Nilsson, K, Ninkovic, J, Ona Wilhelmi, E, Otte, N, Oya, I, Paneque, D, Panniello, M, Paoletti, R, Paredes, Jm, Pasanen, M, Pascoli, D, Pauss, F, Pegna, R, Perlman, E, Persic, M, Peruzzo, L, Piccioli, A, Prandini, E, Puchades, N, Raymers, A, Rhode, W, Ribo, M, Rico, J, Rissi, M, Robert, A, Rugamer, S, Saggion, A, Saito, T, 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, Tavecchio, F, Temnikov, P, Tescaro, D, Teshima, M, Torres, Df, Turini, N, Vankov, H, Vitale, V, Wagner, Rm, Wibig, T, Wittek, W, Zandanel, F, Zanin, R, and Zapatero, J.
Published: 2007

247. Discovery of very high energy gamma-ray emission from the low-frequency-peaked Bl Lacertae object Bl Lacertae RID B-5372-2009

Author: Albert, J, Aliu, E, Anderhub, H, Antoranz, P, Armada, A, Baixeras, C, Barrio, Ja, Bartko, H, Bastieri, D, Becker, Jk, Bednarek, W, Berger, K, Bigongiari, C, Biland, A, Bock, Rk, Bordas, P, Bosch Ramon, V, Bretz, T, Britvitch, I, Camara, M, Carmona, E, Chilingarian, A, Coarasa, Ja, Commichau, S, Contreras, Jl, Cortina, J, Costado, Mt, Curtef, V, Danielyan, V, Dazzi, F, De Angelis, A, Delgado, C, Reyes, Rdl, 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, Garcia Lopez, R, Garczarczyk, M, Gaug, M, Giller, M, Goebel, F, Hakobyan, D, Hayashida, M, Hengstebeck, T, Herrero, A, Hohne, D, Hose, J, Hsu, Cc, Jacon, P, Jogler, T, Kosyra, R, Kranich, D, Kritzer, R, Laille, A, 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, Otte, N, Oya, I, Paneque, D, Panniello, M, Paoletti, R, Paredes, Jm, Pasanen, M, Pascoli, D, Pauss, F, Pegna, R, Persic, M, Peruzzo, L, Piccioli, A, Poller, M, Prandini, E, Puchades, N, Raymers, A, Rhode, W, Ribo, M, Rico, J, 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, Df, Turini, N, Vankov, H, Vitale, V, Wagner, Rm, Wibig, T, Wittek, W, Zandanel, F, Zanin, R, and Zapatero, J.
Published: 2007

248. THE SPECTRUM AND MORPHOLOGY OF THEFERMIBUBBLES

Author: Ackermann, M., primary, Albert, A., additional, Atwood, W. B., additional, Baldini, L., additional, Ballet, J., additional, Barbiellini, G., additional, Bastieri, D., additional, Bellazzini, R., additional, Bissaldi, E., additional, Blandford, R. D., additional, Bloom, E. D., additional, Bottacini, E., additional, Brandt, T. J., additional, Bregeon, J., additional, Bruel, P., additional, Buehler, R., additional, Buson, S., additional, Caliandro, G. A., additional, Cameron, R. A., additional, Caragiulo, M., additional, Caraveo, P. A., additional, Cavazzuti, E., additional, Cecchi, C., additional, Charles, E., additional, Chekhtman, A., additional, Chiang, J., additional, Chiaro, G., additional, Ciprini, S., additional, Claus, R., additional, Cohen-Tanugi, J., additional, Conrad, J., additional, Cutini, S., additional, D'Ammando, F., additional, de Angelis, A., additional, de Palma, F., additional, Dermer, C. D., additional, Digel, S. W., additional, Venere, L. Di, additional, do Couto e Silva, E., additional, Drell, P. S., additional, Favuzzi, C., additional, Ferrara, E. C., additional, Focke, W. B., additional, Franckowiak, A., additional, Fukazawa, Y., additional, Funk, S., additional, Fusco, P., additional, Gargano, F., additional, Gasparrini, D., additional, Germani, S., additional, Giglietto, N., additional, Giordano, F., additional, Giroletti, M., additional, Godfrey, G., additional, Gomez-Vargas, G. A., additional, Grenier, I. A., additional, Guiriec, S., additional, Hadasch, D., additional, Harding, A. K., additional, Hays, E., additional, Hewitt, J. W., additional, Hou, X., additional, Jogler, T., additional, Jóhannesson, G., additional, Johnson, A. S., additional, Johnson, W. N., additional, Kamae, T., additional, Kataoka, J., additional, Knödlseder, J., additional, Kocevski, D., additional, Kuss, M., additional, Larsson, S., additional, Latronico, L., additional, Longo, F., additional, Loparco, F., additional, Lovellette, M. N., additional, Lubrano, P., additional, Malyshev, D., additional, Manfreda, A., additional, Massaro, F., additional, Mayer, M., additional, Mazziotta, M. N., additional, McEnery, J. E., additional, Michelson, P. F., additional, Mitthumsiri, W., additional, Mizuno, T., additional, Monzani, M. E., additional, Morselli, A., additional, Moskalenko, I. V., additional, Murgia, S., additional, Nemmen, R., additional, Nuss, E., additional, Ohsugi, T., additional, Omodei, N., additional, Orienti, M., additional, Orlando, E., additional, Ormes, J. F., additional, Paneque, D., additional, Panetta, J. H., additional, Perkins, J. S., additional, Pesce-Rollins, M., additional, Petrosian, V., additional, Piron, F., additional, Pivato, G., additional, Rainò, S., additional, Rando, R., additional, Razzano, M., additional, Razzaque, S., additional, Reimer, A., additional, Reimer, O., additional, Sánchez-Conde, M., additional, Schaal, M., additional, Schulz, A., additional, Sgrò, C., additional, Siskind, E. J., additional, Spandre, G., additional, Spinelli, P., additional, Stawarz, Łukasz, additional, Strong, A. W., additional, Suson, D. J., additional, Tahara, M., additional, Takahashi, H., additional, Thayer, J. B., additional, Tibaldo, L., additional, Tinivella, M., additional, Torres, D. F., additional, Tosti, G., additional, Troja, E., additional, Uchiyama, Y., additional, Vianello, G., additional, Werner, M., additional, Winer, B. L., additional, Wood, K. S., additional, Wood, M., additional, and Zaharijas, G., additional
Published: 2014
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249. IMPULSIVE AND LONG DURATION HIGH-ENERGY GAMMA-RAY EMISSION FROM THE VERY BRIGHT 2012 MARCH 7 SOLAR FLARES

Author: Ajello, M., primary, Albert, A., additional, Allafort, A., additional, Baldini, L., additional, Barbiellini, G., additional, Bastieri, D., additional, Bellazzini, R., additional, Bissaldi, E., additional, Bonamente, E., additional, Brandt, T. J., additional, Bregeon, J., additional, Brigida, M., additional, Bruel, P., additional, Buehler, R., additional, Buson, S., additional, Caliandro, G. A., additional, Cameron, R. A., additional, Caraveo, P. A., additional, Cecchi, C., additional, Charles, E., additional, Chekhtman, A., additional, Chiang, J., additional, Chiaro, G., additional, Ciprini, S., additional, Claus, R., additional, Cohen-Tanugi, J., additional, Cominsky, L. R., additional, Conrad, J., additional, Cutini, S., additional, D'Ammando, F., additional, de Palma, F., additional, Dermer, C. D., additional, Desiante, R., additional, Digel, S. W., additional, do Couto e Silva, E., additional, Drell, P. S., additional, Drlica-Wagner, A., additional, Favuzzi, C., additional, Focke, W. B., additional, Franckowiak, A., additional, Fukazawa, Y., additional, Fusco, P., additional, Gargano, F., additional, Gasparrini, D., additional, Germani, S., additional, Giglietto, N., additional, Giommi, P., additional, Giordano, F., additional, Giroletti, M., additional, Glanzman, T., additional, Godfrey, G., additional, Grenier, I. A., additional, Grove, J. E., additional, Guiriec, S., additional, Hadasch, D., additional, Hayashida, M., additional, Hays, E., additional, Horan, D., additional, Hou, X., additional, Hughes, R. E., additional, Inoue, Y., additional, Jackson, M. S., additional, Jogler, T., additional, Jóhannesson, G., additional, Johnson, A. S., additional, Johnson, W. N., additional, Kamae, T., additional, Knödlseder, J., additional, Kocevski, D., additional, Kuss, M., additional, Lande, J., additional, Larsson, S., additional, Latronico, L., additional, Longo, F., additional, Loparco, F., additional, Lott, B., additional, Lovellette, M. N., additional, Lubrano, P., additional, Mayer, M., additional, Mazziotta, M. N., additional, McEnery, J. E., additional, Michelson, P. F., additional, Mizuno, T., additional, Moiseev, A. A., additional, Monte, C., additional, Monzani, M. E., additional, Morselli, A., additional, Moskalenko, I. V., additional, Murgia, S., additional, Murphy, R., additional, Nakamori, T., additional, Nemmen, R., additional, Nuss, E., additional, Ohno, M., additional, Ohsugi, T., additional, Omodei, N., additional, Orienti, M., additional, Orlando, E., additional, Ormes, J. F., additional, Paneque, D., additional, Panetta, J. H., additional, Perkins, J. S., additional, Pesce-Rollins, M., additional, Petrosian, V., additional, Piron, F., additional, Pivato, G., additional, Porter, T. A., additional, Rainò, S., additional, Rando, R., additional, Razzano, M., additional, Reimer, A., additional, Reimer, O., additional, Roth, M., additional, Schulz, A., additional, Sgrò, C., additional, Siskind, E. J., additional, Spandre, G., additional, Spinelli, P., additional, Takahashi, H., additional, Thayer, J. G., additional, Thayer, J. B., additional, Thompson, D. J., additional, Tibaldo, L., additional, Tinivella, M., additional, Tosti, G., additional, Troja, E., additional, Usher, T. L., additional, Vandenbroucke, J., additional, Vasileiou, V., additional, Vianello, G., additional, Vitale, V., additional, Werner, M., additional, Winer, B. L., additional, Wood, D. L., additional, Wood, K. S., additional, and Yang, Z., additional
Published: 2014
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250. HIGH-ENERGY GAMMA-RAY EMISSION FROM SOLAR FLARES: SUMMARY OFFERMILARGE AREA TELESCOPE DETECTIONS AND ANALYSIS OF TWO M-CLASS FLARES

Author: Ackermann, M., primary, Ajello, M., additional, Albert, A., additional, Allafort, A., additional, Baldini, L., additional, Barbiellini, G., additional, Bastieri, D., additional, Bechtol, K., additional, Bellazzini, R., additional, Bissaldi, E., additional, Bonamente, E., additional, Bottacini, E., additional, Bouvier, A., additional, Brandt, T. J., additional, Bregeon, J., additional, Brigida, M., additional, Bruel, P., additional, Buehler, R., additional, Buson, S., additional, Caliandro, G. A., additional, Cameron, R. A., additional, Caraveo, P. A., additional, Cecchi, C., additional, Charles, E., additional, Chekhtman, A., additional, Chen, Q., additional, Chiang, J., additional, Chiaro, G., additional, Ciprini, S., additional, Claus, R., additional, Cohen-Tanugi, J., additional, Conrad, J., additional, Cutini, S., additional, D'Ammando, F., additional, de Angelis, A., additional, de Palma, F., additional, Dermer, C. D., additional, Desiante, R., additional, Digel, S. W., additional, Di Venere, L., additional, do Couto e Silva, E., additional, Drell, P. S., additional, Drlica-Wagner, A., additional, Favuzzi, C., additional, Fegan, S. J., additional, Focke, W. B., additional, Franckowiak, A., additional, Fukazawa, Y., additional, Funk, S., additional, Fusco, P., additional, Gargano, F., additional, Gasparrini, D., additional, Germani, S., additional, Giglietto, N., additional, Giordano, F., additional, Giroletti, M., additional, Glanzman, T., additional, Godfrey, G., additional, Grenier, I. A., additional, Grove, J. E., additional, Guiriec, S., additional, Hadasch, D., additional, Hayashida, M., additional, Hays, E., additional, Horan, D., additional, Hughes, R. E., additional, Inoue, Y., additional, Jackson, M. S., additional, Jogler, T., additional, Jóhannesson, G., additional, Johnson, W. N., additional, Kamae, T., additional, Kawano, T., additional, Knödlseder, J., additional, Kuss, M., additional, Lande, J., additional, Larsson, S., additional, Latronico, L., additional, Lemoine-Goumard, M., additional, Longo, F., additional, Loparco, F., additional, Lott, B., additional, Lovellette, M. N., additional, Lubrano, P., additional, Mayer, M., additional, Mazziotta, M. N., additional, McEnery, J. E., additional, Michelson, P. F., additional, Mizuno, T., additional, Moiseev, A. A., additional, Monte, C., additional, Monzani, M. E., additional, Moretti, E., additional, Morselli, A., additional, Moskalenko, I. V., additional, Murgia, S., additional, Murphy, R., additional, Nemmen, R., additional, Nuss, E., additional, Ohno, M., additional, Ohsugi, T., additional, Okumura, A., additional, Omodei, N., additional, Orienti, M., additional, Orlando, E., additional, Ormes, J. F., additional, Paneque, D., additional, Panetta, J. H., additional, Perkins, J. S., additional, Pesce-Rollins, M., additional, Petrosian, V., additional, Piron, F., additional, Pivato, G., additional, Porter, T. A., additional, Rainò, S., additional, Rando, R., additional, Razzano, M., additional, Reimer, A., additional, Reimer, O., additional, Ritz, S., additional, Schulz, A., additional, Sgrò, C., additional, Siskind, E. J., additional, Spandre, G., additional, Spinelli, P., additional, Takahashi, H., additional, Takeuchi, Y., additional, Tanaka, Y., additional, Thayer, J. G., additional, Thayer, J. B., additional, Thompson, D. J., additional, Tibaldo, L., additional, Tinivella, M., additional, Tosti, G., additional, Troja, E., additional, Tronconi, V., additional, Usher, T. L., additional, Vandenbroucke, J., additional, Vasileiou, V., additional, Vianello, G., additional, Vitale, V., additional, Werner, M., additional, Winer, B. L., additional, Wood, D. L., additional, Wood, K. S., additional, Wood, M., additional, and Yang, Z., additional
Published: 2014
Full Text: View/download PDF

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