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Title:
The Long-term Light curve of GRB 060729
Authors:
Grupe, Dirk
Publication:
XMM-Newton Proposal ID #05025202
Publication Date:
10/2006
Origin:
XMM
Keywords:
Supernovae, Supernova Remnants, Diffuse (galactic) Emission and Isolated Neutron Stars, GRB 060729, XMM-Newton Proposal 05025202
Bibliographic Code:
2006xmm..prop...98G

Abstract

One of the predictions of the standard fireball model of Gamma-Ray Bursts (GRBs) is that the opening angle of the jet can be determined by the break time in the afterglow light curve. However, there are conflicting results from radio and optical measurements on one hand and recent Swift X-ray observations on the other: While radio and optical light curves suggest early break times and therefore small opening angles, the Swift XRT observations show no jet breaks in the majority of afterglow light curves even weeks after the trigger. Here we propose to observe the bright X-ray afterglow of the Swift-discovered GRB 060729 twice with XMM in order to extend its light curve beyond any burst afterglow that has ever been observed, putting strong constrains on the opening angle and GRB theory.
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Database: Astronomy
Physics
arXiv e-prints
    


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