Other
Scientific paper
Sep 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004aipc..727..274s&link_type=abstract
GAMMA-RAY BURSTS: 30 YEARS OF DISCOVERY: Gamma-Ray Burst Symposium. AIP Conference Proceedings, Volume 727, pp. 274-277 (2004).
Other
Gamma-Ray Sources, Gamma-Ray Bursts, Photography And Photometry, Radiation Mechanisms, Polarization
Scientific paper
Herein we compare three functional families for afterglow morphologies: the homogeneous afterglow with constant shock surface energy density, the structured afterglow for which the energy density decays as a power-law as a function of viewer angle, and the gaussian afterglow which has an exponential decay of energy density with viewer angle. We simulate observed lightcurves and polarization curves for each as seen from a variety of observer vantage points. We find that the homogeneous jet is likely inconsistent with observations and suggest that the future debate on the structure of afterglow jets will be between the other two candidates.
Lazzati Davide
Rossi Elena
Salmonson Jay D.
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