Prompt spectrum of GRB 021206 supports the Cannonball Model

Details Prompt spectrum of GRB 021206 supports the Cannonball Model Prompt spectrum of GRB 021206 supports the Cannonball Model

May 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008aipc.1000..170w&link_type=abstract

GAMMA-RAY BURSTS 2007: Proceedings of the Santa Fe Conference. AIP Conference Proceedings, Volume 1000, pp. 170-173 (2008).

Physics

Optics

Gamma-Ray Sources, Gamma-Ray Bursts, Luminosities, Magnitudes, Effective Temperatures, Colors, And Spectral Classification, X-Ray Beams And X-Ray Optics, Gamma-Ray

Scientific paper

GRB 021206 is one of the brightest GRBs ever observed. Its prompt emission, as measured by RHESSI, shows an unexpected spectral hardening around 5 MeV. Below this energy, the spectrum is well described by a Band function with a peak energy of about 700 keV. However, using the full RHESSI energy range up to 17 MeV, the spectrum can not be fitted with a Band function. The Cannonball Model on the other hand predicts such a spectral hardening, and we found that it fits the spectrum of GRB 021206 perfectly.

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