Modelling GRB 021004 by multiple energy injections

Details Modelling GRB 021004 by multiple energy injections Modelling GRB 021004 by multiple energy injections

May 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005ncimc..28..287d&link_type=abstract

Il Nuovo Cimento C, vol. 28, Issue 3, p.287

Computer Science

1

Scientific paper

GRB 021004 is one of the best sampled gamma-ray bursts (GRB) to date, however the nature of its light curve is still being debated. A compilation of multiwavelength (from radio to X-rays) observations, including unpublished optical/near-infrared and millimetre observations, is used to fit a model based on 7 refreshed shocks that took place during the evolution of the afterglow. They imply a total energy release of ˜ 8×1051 erg. Analysis of the late photometry reveals that the GRB 021004 host is a low extinction ( A V ˜ 0.1) starburst galaxy with M B ≃ - 22.0.

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