Observations of the Crab Pulsar between 25 and 100 GeV with the MAGIC I Telescope

  title={Observations of the Crab Pulsar between 25 and 100 GeV with the MAGIC I Telescope},
  author={M. C. J. Aleksi'c and E. {\'A}lvarez and L. Antonelli and P. Antoranz and M. Asensio and M. Backes and J. Barrio and D. Bastieri and J. Gonz'alez and W. Bednarek and A. Berdyugin and K. Berger and E. Bernardini and A. Biland and O. Blanch and R. Bock and A. Boller and G. Bonnoli and D. B. Tridon and I. Braun and T. Bretz and A. Canellas and E. Carmona and A. Carosi and P. Colin and E. Colombo and J. Contreras and J. Cortina and L. Cossio and S. Covino and F. Dazzi and A. D. Angelis and G. Caneva and E. D. C. D. Pozo and B. D. Lotto and C. Mendez and A. Ortega and M. Doert and A. Dom{\'i}nguez and D. D. Prester and D. Dorner and M. Doro and D. Eisenacher and D. Elsaesser and D. Ferenc and M. V. Fonseca and L. Font and C. Fruck and R. L{\'o}pez and M. Garczarczyk and D. Garrido and G. Giavitto and N. Godinovi{\'c} and D. Hadasch and D. Hafner and A. Herrero and D. Hildebrand and D. Hohne-Monch and J. Hose and D. Hrupec and T. Jogler and H. Kellermann and S. Klepser and T. Krahenbuhl and J. Krause and J. Kushida and A. Barbera and D. Lelas and E. Leonardo and E. Lindfors and S. Lombardi and M. L'opez and A. L'opez-Oramas and E. Lorenz and M. Makariev and G. Maneva and N. Mankuzhiyil and K. Mannheim and L. Maraschi and B. Marcote and M. Mariotti and M. Mart́ınez and D. Mazin and M. Meucci and J. Miranda and R. Mirzoyan and J. Mold'on and A. Moralejo and P. Munar-Adrover and D. Nieto and K. Nilsson and R. Orito and N. Otte and I. Oya and D. Paneque and R. Paoletti and S. Pardo and J. M. Paredes and S. Partini and M. Perez-Torres and M. Persic and L. Peruzzo and M. Pilia and J. Pochon and F. Prada and P. Moroni and E. Prandini and I. Gimenez and I. Puljak and I. Reichardt and R. Reinthal and W. Rhode and M. Rib'o and J. Rico and M. Rissi and S. Rugamer and A. Saggion and K. Saito and T. Saito and M. Salvati and K. Satalecka and V. Scalzotto and V. Scapin and C. Schultz and T. Schweizer and M. Shayduk and S. Shore and A. Sillanpaa and J. Sitarek and I. {\vS}nidari{\'c} and D. Sobczy'nska and F. Spanier and S. Spiro and V. Stamatescu and A. Stamerra and B. Steinke and J. Storz and N. Strah and T. Suri'c and L. Takalo and H. Takami and F. Tavecchio and P. Temnikov and T. Terzi'c and D. Tescaro and M. Teshima and O. Tibolla and D. F. Torres and A. Treves and M. Uellenbeck and H. Vankov and P. Vogler and R. Wagner and Q. Weitzel and V. Zabalza and F. Zandanel and R. Zanin and K. Hirotani},
  journal={The Astrophysical Journal},
  • M. C. J. Aleksi'c, E. Álvarez, +155 authors K. Hirotani
  • Published 2011
  • Physics
  • The Astrophysical Journal
  • 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 Fermi Large Area Telescope (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… CONTINUE READING
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