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Calorimetry of GRB 030329

  • Robert Allan MeslerIII
Chapter
Part of the Springer Theses book series (Springer Theses)

Abstract

We perform calorimetry on the bright gamma-ray burst (GRB) 030329 by fitting simultaneously the broadband radio afterglow and the observed afterglow image size to a semi-analytic hydrodynamics and afterglow emission model. Our semi-analytic method is valid in both the relativistic and non-relativistic regimes, and incorporates a model of the interstellar scintillation that substantially effects the broadband afterglow below 10 GHz. The model is fitted to archival measurements of the afterglow flux from 1 day to 8.3 years after the burst. Values for the initial burst parameters are determined and the nature of the circumburst medium is explored. Additionally, direct measurements of the lateral expansion rate of the radio afterglow image size allow us to estimate the initial Lorentz factor of the jet.

Keywords

Stellar Wind Uniform Medium Very Large Array Very Long Baseline Array Interstellar Scintillation 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer International Publishing Switzerland 2014

Authors and Affiliations

  • Robert Allan MeslerIII
    • 1
  1. 1.Department of Physics and AstronomyUniversity of New MexicoAlbuquerqueUSA

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