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The first pulse of the extremely bright GRB 130427a: A test lab for synchrotron shocks

  • R. Preece
  • , J. Michael Burgess
  • , A. Von Kienlin
  • , P. N. Bhat
  • , M. S. Briggs
  • , D. Byrne
  • , V. Chaplin
  • , W. Cleveland
  • , A. C. Collazzi
  • , V. Connaughton
  • , A. Diekmann
  • , G. Fitzpatrick
  • , S. Foley
  • , M. Gibby
  • , M. Giles
  • , A. Goldstein
  • , J. Greiner
  • , D. Gruber
  • , P. Jenke
  • , R. M. Kippen
  • C. Kouveliotou, S. McBreen, C. Meegan, W. S. Paciesas, V. Pelassa, D. Tierney, A. J. Van Der Horst, C. Wilson-Hodge, S. Xiong, G. Younes, H. F. Yu, M. Ackermann, M. Ajello, M. Axelsson, L. Baldini, G. Barbiellini, M. G. Baring, D. Bastieri, R. Bellazzini, E. Bissaldi, E. Bonamente, J. Bregeon, M. Brigida, P. Bruel, R. Buehler, S. Buson, G. A. Caliandro, R. A. Cameron, P. A. Caraveo, C. Cecchi, E. Charles, A. Chekhtman, J. Chiang, G. Chiaro, S. Ciprini, R. Claus, J. Cohen-Tanugi, L. R. Cominsky, J. Conrad, F. D'Ammando, A. De Angelis, F. De Palma, C. D. Dermer, R. Desiante, S. W. Digel, L. Di Venere, P. S. Drell, A. Drlica-Wagner, C. Favuzzi, A. Franckowiak, Y. Fukazawa, P. Fusco, F. Gargano, N. Gehrels, S. Germani, N. Giglietto, F. Giordano, M. Giroletti, G. Godfrey, J. Granot, I. A. Grenier, S. Guiriec, D. Hadasch, Y. Hanabata, A. K. Harding, M. Hayashida, S. Iyyani, T. Jogler, G. Jóannesson, T. Kawano, J. Knödlseder, D. Kocevski, M. Kuss, J. Lande, J. Larsson, S. Larsson, L. Latronico, F. Longo, F. Loparco, M. N. Lovellette, P. Lubrano, M. Mayer, M. N. Mazziotta, P. F. Michelson, T. Mizuno, M. E. Monzani, E. Moretti, A. Morselli, S. Murgia, R. Nemmen, E. Nuss, T. Nymark, M. Ohno, T. Ohsugi, A. Okumura, N. Omodei, D. Orienti, D. Paneque, J. S. Perkins, M. Pesce-Rollins, F. Piron, G. Pivato, T. A. Porter, J. L. Racusin, S. Rainò, R. Rando, M. Razzano, S. Razzaque, A. Reimer, O. Reimer, S. Ritz, M. Roth, F. Ryde, A. Sartori, H. Scargle, A. Schulz, C. Sgrò, E. J. Siskind, G. Spandre, P. Spinelli, D. J. Suson, H. Tajima, H. Takahashi, J. G. Thayer, J. B. Thayer, L. Tibaldo, M. Tinivella, D. F. Torres, G. Tosti, E. Troja, T. L. Usher, J. Vandenbroucke, V. Vasileiou, G. Vianello, V. Vitale, M. Werner, B. L. Winer, K. S. Wood, S. Zhu
  • University of Alabama in Huntsville
  • Center for Space Plasma and Aeronomic Research
  • Max Planck Institut für Extraterrestrische Physik
  • University College Dublin
  • Universities Space Research Association
  • NASA Marshall Space Flight Center
  • NASA Postdoctoral Program Fellow
  • Jacobs Technology Inc.
  • MST-8, Los Alamos National Laboratory
  • University of Amsterdam
  • c/o DESY
  • University of California, Space Sciences Laboratory
  • Stockholm University
  • Oskar Klein Centre
  • KTH Royal Institute of Technology
  • University of Pisa
  • INFN Sezione di Trieste
  • University of Trieste
  • Rice University
  • INFN
  • University of Padova
  • Istituto Nazionale di Fisica Nucleare, Sezione di Pisa
  • Medical University of Innsbruck
  • INFN Sezione di Perugia
  • University of Perugia
  • Politecnico di Bari
  • INFN Sezione di Bari
  • IEEE
  • Kavli Institute for Particle Astrophysics and Cosmology
  • INAF Istituto di Astrofisica Spaziale e Fisica Cosmica, Milan
  • George Mason University
  • Naval Research Laboratory
  • Science and Research Directorate
  • Osservatorio Astronomico di Roma
  • Laboratoire Univers et Particules de Montpellier
  • Sonoma State University
  • Royal Swedish Academy of Sciences
  • INAF Istituto di Radioastronomia
  • and Physics University of Udine
  • Hiroshima University
  • NASA Goddard Space Flight Center
  • The Open University of Israel
  • Université Paris-Diderot
  • Kyoto University
  • University of Iceland
  • IRAP/CNRS
  • Observatoire Midi-Pyrénées
  • INFN Sezione di Torino
  • INFN Roma Tor Vergata
  • ISAS/JAXA
  • Nagoya University
  • Max-Planck-Institut für Physik
  • Biochemical and Environmental Engineering
  • University of California at Santa Cruz
  • University of Johannesburg
  • University of Washington
  • NASA Ames Research Center
  • NYCB Real-Time Computing Inc.
  • Purdue University Northwest
  • Pompeu Fabra University (UPF)
  • University of Maryland
  • Consorzio Interuniversitario per la Fisica Spaziale (CIFS)
  • University of Rome “Tor Vergata”
  • The Ohio State University

Résultats de recherche: Contribution à un journalArticleRevue par des pairs

71 Citations (Scopus)

Résumé

Gamma-ray burst (GRB) 130427A is one of the most energetic GRBs ever observed. The initial pulse up to 2.5 seconds is possibly the brightest well-isolated pulse observed to date. A fine time resolution spectral analysis shows power-law decays of the peak energy from the onset of the pulse, consistent with models of internal synchrotron shock pulses. However, a strongly correlated power-law behavior is observed between the luminosity and the spectral peak energy that is inconsistent with curvature effects arising in the relativistic outflow. It is difficult for any of the existing models to account for all of the observed spectral and temporal behaviors simultaneously.

langue originaleAnglais
Pages (de - à)51-54
Nombre de pages4
journalScience
Volume343
Numéro de publication6166
Les DOIs
étatPublié - 1 janv. 2014

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