Astronomy and Astrophysics – Astrophysics – High Energy Astrophysical Phenomena
Scientific paper
2010-06-02
Astrophys. J. 719 (2010) L172-L176
Astronomy and Astrophysics
Astrophysics
High Energy Astrophysical Phenomena
16 pages, 3 figures, published in ApJ Letters
Scientific paper
With its rapid response, {\it Swift} has revealed plenty of unexpected properties of gamma-ray bursts (GRBs). With an abundance of observations, our current understanding is only limited by complexity of early X-ray light curves. In this work, based on the public {\it Swift} data of 150 well-monitored GRBs with measured redshifts, we find some interesting global features in the rest-frame X-ray light curves. The distinct spectral behaviors between the prompt emission and the afterglow emission implies dissimilar radiation scenarios. Interestingly, an unforeseen plateau is exhibited in the prompt X-ray light curves despite the presence of complex spikes, which might indicate the presence of a steady central engine. In particular, the seemingly continuous evolution with a single power law from the prompt to the afterglow of most GRBs might place strong constraints on the theoretical models.
Fan Yi-Zhong
Shao Lang
Wei Da-Ming
No associations
LandOfFree
Underlying global features of the x-ray light curves of {\it swift} gamma-ray bursts does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Underlying global features of the x-ray light curves of {\it swift} gamma-ray bursts, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Underlying global features of the x-ray light curves of {\it swift} gamma-ray bursts will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-512404