AbstractA distinguishing feature of GRB 030329 is the obvious rebrightening of its optical afterglow at around t∼1.6d. We have re-examined the event numerically in light of three candidate models. Both the density-jump model and the two-component jet model fail to produce any significant rebrightening at the right moment. The energy-injection model seems to be the most preferred choice. By engaging a sequence of energy-injection events, it provides an acceptable fit to the rebrightening at t∼1.6d, as well as the whole observed light curve that extends to t∼80d.
Theoretical interpretation of the optical afterglow of GRB 030329
Advances in Space Research ; 40 , 8 ; 1214-1217
2006-12-31
4 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
Theoretical interpretation of the optical afterglow of GRB 030329
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