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On the average Gamma-Ray Burst X-ray flaring activity
R. Margutti, G. Bernardini, R. Barniol Duran +3
Gamma-ray burst X-ray flares are believed to mark the late time activity of the central engine. We compute the temporal evolution of the average flare luminosity in the com…
Supernovae Powered by Collapsar Accretion in Gamma-Ray Burst Sources
Milos Milosavljevic, Christopher C. Lindner, Rongfeng Shen +1
The association of long-duration gamma-ray bursts (LGRBs) with Type Ic supernovae presents a challenge to supernova explosion models. In the collapsar model for LGRBs, gamma rays a…
GRB 090417B and its Host Galaxy: A Step Towards an Understanding of Optically-Dark Gamma-Ray Bursts
Stephen T. Holland, Boris Sbarufatti, Rongfeng Shen +10
GRB 090417B was an unusually long burst with a T_90 duration of at least 2130 s and a multi-peaked light curve at energies of 15-150 keV. It was optically dark and has been associa…