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Discovery of the optical afterglow of XRF 040812: VLT and Chandra observations
P. D'Avanzo, D. Malesani, S. Campana +4
We present Chandra and VLT observations of the X-Ray Flash XRF 040812. The X-ray analysis reveals with high precision the position of a hard, fading source. A careful analysis of o…
Gamma Ray Bursts Flares detected and observed by the Swift Satellite
Guido Chincarini, Alberto Moretti, Patrizia Romano +11
The detection of flares with the Swift satellite triggered a lot of bservational and theoretical interest in these phenomena. As a consequence a large analysis effort started withi…
REM observations of GRB 060418 and GRB 060607A: the onset of the afterglow and the initial fireball Lorentz factor determination
E. Molinari, S. D. Vergani, D. Malesani +32
Gamma-ray burst (GRB) emission is believed to originate in highly relativistic fireballs. Currently, only lower limits were securely set to the initial fireball Lorentz factor Gamm…