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| Paper: |
The Transition Between the Main Event and the Afterglow: BeppoSAX |
| Volume: |
312, Third Rome Workshop on Gamma-Ray Bursts in the Afterglow Era |
| Page: |
23 |
| Authors: |
Soffitta, P.; De Pasquale, M.; Piro, L.; Costa, E. |
| Abstract: |
One of the two Wide Field Cameras (WFCs) on board BeppoSAX was pointed towards the burst position for few orbits after the detection of the X-ray counterpart of the Gamma Ray Burst (GRB) till the repointing of Narrow Field Instruments (NFI). Therefore the WFC can provide a piece of knowledge on the different types of the transition between the main event and the afterglow. Results on a sub-samples bursts show that the transition between the main event and the afterglow can be either smooth or can present gaps. In other cases the WFC data strongly suggest that a break should occure in the back extrapolation of the afterglow lightcurve detected by the NFI, nevertheless they do not rule-out a possible late appearing of the afterglow. |
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