Abstract
In the late afternoon of November 25th, 2002 a gamma-ray burst (GRB) was detected in the partially coded field of view (about 7.3° from the centre) of the imager IBIS on board the INTEGRAL satellite. The instruments on-board INTEGRAL allowed, for the first time, the observation of the prompt gamma-ray emission over a broad energy band from 15 to 500 keV. GRB 021125 lasted ∼24 s with a mean flux of ∼5.0 photons cm-2 s-1 in the 20-500 keV energy band, and a fluence of ∼4.8 × 10-5 erg cm-2 in the same energy band. Here we report the analysis of the data from the imager IBIS and the spectrometer SPI.
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CITATION STYLE
Malaguti, G., Bazzano, A., Beckmann, V., Bird, A. J., Del Santo, M., Di Cocco, G., … Von Kienlin, A. (2003). GRB 021125: The first GRB imaged by INTEGRAL. Astronomy and Astrophysics, 411(1). https://doi.org/10.1051/0004-6361:20031155
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