Physics
Scientific paper
Sep 2000
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000aipc..526..375s&link_type=abstract
GAMMA-RAY BURSTS: 5th Huntsville Symposium. AIP Conference Proceedings, Volume 526, pp. 375-379 (2000).
Physics
2
Gamma-Ray Sources, Gamma-Ray Bursts, Jets And Bursts, Galactic Winds And Fountains, X-Ray
Scientific paper
Afterglows are a powerful source of information on GRBs. In this paper we present a systematic study of 11 afterglows observed with the Narrow Field Instruments on board on BeppoSAX. The intent of this analysis is to: i) disclose the nature of GRB progenitors by the temporal and spectral features imprinted by the nearby environment; ii) disentangle the jet versus spherical expansion of the fireball; iii) test and constrain the fireball model relations. We find no strong evidence of iron lines, except for the cases of GRB970508 (BeppoSAX) and GRB970828 (ASCA). From the average spectral and temporal properties we estimate a lower limit on the opening angle of the jet: θ>12°. .
Antonelli Lucio Angelo
Costa Edgar
Feroci Marco
Frontera Filippo
Gandolfi G.
No associations
LandOfFree
Constraints to the nature of the central GRB engine from a comparative analysis of X-ray properties of afterglows 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 Constraints to the nature of the central GRB engine from a comparative analysis of X-ray properties of afterglows, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Constraints to the nature of the central GRB engine from a comparative analysis of X-ray properties of afterglows will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-1522759