Physics
Scientific paper
May 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008aipc.1000..323m&link_type=abstract
GAMMA-RAY BURSTS 2007: Proceedings of the Santa Fe Conference. AIP Conference Proceedings, Volume 1000, pp. 323-326 (2008).
Physics
Gamma-Ray Sources, Gamma-Ray Bursts, Supernova Remnants, Plasma Reactions
Scientific paper
GRB 060614 is a remarkable nearby GRB (z = 0.125) observed by Swift. It has puzzling properties, which challenge current progenitor models: the lack of any bright supernova down to very strict limits and the vanishing spectral lags are typical of short GRBs, strikingly at odds with the long (102 s) duration of this event. However, the burst presents optical, UV and X-ray afterglows in remarkable agreement with standard jetted fireball models. In particular, spectral analysis of BAT and XRT data during the overlap time interval and after shows that the peak energy of the burst decays and crosses the XRT energy band within 500 s from the trigger. The afterglow shows a jet break simultaneously detected in optical, UV and X-rays. Moreover, the UVOT light curves possibly show evidence of the passage of the injection frequency across the optical band between 10 and 30 ks from the trigger.
Burrows David N.
Chincarini Guido
Della Valle Massimo
Gehrels Neil
Holland Stephen T.
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