Title

THE THIRD FERMI GBM GAMMA-RAY BURST CATALOG: The FIRST SIX YEARS

Authors

P. Narayana Bhat, Center for Space Plasma and Aeronomic Research
Charles A. Meegan, Center for Space Plasma and Aeronomic Research
Andreas Von Kienlin, Max Planck Institute for Extraterrestrial Physics
William S. Paciesas, Huntsville Program Office
Michael S. Briggs, Center for Space Plasma and Aeronomic Research
J. Michael Burgess, Oskar Klein Centre
Eric Burns, Center for Space Plasma and Aeronomic Research
Vandiver Chaplin, Center for Space Plasma and Aeronomic Research
William H. Cleveland, Huntsville Program Office
Andrew C. Collazzi, SciTec, Inc.
Valerie Connaughton, The University of Alabama in Huntsville
Anne M. Diekmann, Jacobs Technology Inc.
Gerard Fitzpatrick, Center for Space Plasma and Aeronomic Research
Melissa H. Gibby, Jacobs Technology Inc.
Misty M. Giles, Jacobs Technology Inc.
Adam M. Goldstein, NASA Marshall Space Flight Center
Jochen Greiner, Max Planck Institute for Extraterrestrial Physics
Peter A. Jenke, Center for Space Plasma and Aeronomic Research
R. Marc Kippen, Los Alamos National Laboratory
Chryssa Kouveliotou, The George Washington University
Bagrat Mailyan, Center for Space Plasma and Aeronomic Research
Sheila McBreen, University College Dublin
Veronique Pelassa, Center for Space Plasma and Aeronomic Research
Robert D. Preece, The University of Alabama in Huntsville
Oliver J. Roberts, University College Dublin
Linda S. Sparke, National Aeronautics and Space Administration
Matthew Stanbro, Center for Space Plasma and Aeronomic Research
Péter Veres, Center for Space Plasma and Aeronomic Research
Colleen A. Wilson-Hodge, NASA Marshall Space Flight Center
Shaolin Xiong, Institute of High Energy Physics Chinese Academy of Science
George Younes, The George Washington University
Hoi Fung Yu, Max Planck Institute for Extraterrestrial Physics
Binbin Zhang, Center for Space Plasma and Aeronomic Research

Document Type

Article

Publication Date

4-1-2016

Abstract

Since its launch in 2008, the Fermi Gamma-ray Burst Monitor (GBM) has triggered and located on average approximately two γ-ray bursts (GRBs) every three days. Here, we present the third of a series of catalogs of GRBs detected by GBM, extending the second catalog by two more years through the middle of 2014 July. The resulting list includes 1405 triggers identified as GRBs. The intention of the GBM GRB catalog is to provide information to the community on the most important observables of the GBM-detected GRBs. For each GRB, the location and main characteristics of the prompt emission, the duration, peak flux, and fluence are derived. The latter two quantities are calculated for the 50-300 keV energy band where the maximum energy release of GRBs in the instrument reference system is observed, and also for a broader energy band from 10 to 1000 keV, exploiting the full energy range of GBM's low-energy [Nai[Tl)] detectors. Using statistical methods to assess clustering, we find that the hardness and duration of GRBs are better fit by a two-component model with short-hard and long-soft bursts than by a model with three components. Furthermore, information is provided on the settings and modifications of the triggering criteria and exceptional operational conditions during years five and six in the mission. This third catalog is an official product of the Fermi GBM science team, and the data files containing the complete results are available from the High-Energy Astrophysics Science Archive Research Center.

Publication Source (Journal or Book title)

Astrophysical Journal, Supplement Series

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