Computer Science
Scientific paper
Oct 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008aipc.1065..227b&link_type=abstract
2008 NANJING GAMMA-RAY BURST CONFERENCE. AIP Conference Proceedings, Volume 1065, pp. 227-230 (2008).
Computer Science
Gamma-Ray Sources, Gamma-Ray Bursts, Plasma Reactions, Space-Based Ultraviolet, Optical, And Infrared Telescopes
Scientific paper
GRB060607A is a very distant (z = 3.082) and energetic event (Eiso~1053 erg). Its main peculiarity is that the peak of the near-infrared afterglow has been observed with the REM robotic telescope, allowing to infer the initial Lorentz gamma factor of the emitting system. We present a preliminary analysis of the spectra and light curves of GRB060607A prompt emission within the fireshell model. We show that the N(E) spectrum of the prompt emission, whose behavior is usually described as ``simple power-law,'' can also be fitted in a satisfactory way by a convolution of thermal spectra as predicted by the model we applied. The theoretical time-integrated spectrum of the prompt emission as well as the light curves in the BAT and XRT energy band are in good agreement with the observations, enforcing the plausibility of our approach. Furthermore, the initial value of Lorentz gamma factor we predict is compatible with the one deduced from the REM observations.
Bianco Carlo Luciano
Caito Letizia
Giovanna Dainotti Maria
Grazia Bernardini Maria
Guida Riccardo
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