Physics
Scientific paper
Mar 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aipc.1223..233c&link_type=abstract
SCIENCE WITH THE NEW GENERATION OF HIGH ENERGY GAMMA-RAY EXPERIMENTS: Proceedings of the 7th Workshop on Gamma-Ray Physics in th
Physics
Gamma-Ray Sources (Astronomical), Astronomical Observatories, Astronomical Telescopes, X-Ray Spectra, Scintillators, Gamma-Ray Sources, Gamma-Ray Bursts, Observatories And Site Testing, Space-Based Ultraviolet, Optical, And Infrared Telescopes, X-Ray Sources, X-Ray Bursts, Scintillation Detectors
Scientific paper
The Fermi observatory is advancing our knowledge of Gamma-Ray Bursts (GRBs) through pioneering observations at high energies, covering more then 7 decades of energy with the two on-board detectors, the Large Area Telescope (LAT) and the Gamma-ray Burst Monitor (GBM). Here we report on the observation of long GRB 090217 which triggered the GBM and as been independently detected by the on-ground blind search LAT algorithm. We present the GBM and LAT observations, including a temporal profile and time-resolved spectral analysis from 8 keV up to ~1 GeV. The time-averaged and time-resolved spectra are well reproduced by a Band model, with no substantial spectral evolution. We compare these observations to the other LAT detections of long bursts, and discuss some theoretical implications on GRB high-energy emission.
Cutini Sara
Piron Frederic
von Kienlin Andreas
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