Astronomy and Astrophysics – Astrophysics
Scientific paper
May 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aipc..836..424g&link_type=abstract
GAMMA-RAY BURSTS IN THE SWIFT ERA: Sixteenth Maryland Astrophysics Conference. AIP Conference Proceedings, Volume 836, pp. 424-
Astronomy and Astrophysics
Astrophysics
X-Ray Sources, X-Ray Bursts, Gamma-Ray Sources, Gamma-Ray Bursts
Scientific paper
The X-ray flash XRF 011030 observed by BeppoSAX has a light curve characterized by several outburst activities with the last detected flare occurring about 1300 s after the burst. We perform the temporal and spectral analysis of XRF 011030, study the late X-ray flare and compare it with the late afterglow emission observed by Chandra. We study the late X-ray flare in the contest of several variants of the external shock model and finally explain it as the beginning of the afterglow emission from a thick shell fireball emitted by a long duration central engine activity. We find that the late X-ray flare and the afterglow can be described both in a stellar wind and in a uniform interstellar medium (ISM).
Galli Alessandra
Piro Luigi
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