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| Paper: |
Variability/Luminosity for the X-Ray Emission of Long GRB as Seen by the Wide Field Cameras on BeppoSAX |
| Volume: |
312, Third Rome Workshop on Gamma-Ray Bursts in the Afterglow Era |
| Page: |
142 |
| Authors: |
Vetere, L.; Soffitta, P.; Costa, E. |
| Abstract: |
Bursts that show maximum or exclusive emission in the X-ray may hide objects at very high redshift. Measuring the redshift of bursts without optical counterparts would lead to a better comprehension of the nature and evolution of GRBs and probe the universe at high redshift. Previous studies have shown the existence of a relation between the complexity of the GRBs lightcurves and the Peak Luminosity in the gamma ray energy range. Here we define Variability in the X-ray energy range and we measure it using the BeppoSAX Wide Field Cameras data. We find a relation between the Variability in the energy range 2-26keV and the intrinsic peak luminosity of the bursts. |
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