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The Afterglows of Swift-era Gamma-Ray Bursts. I. Comparing pre-Swift and Swift era Long/Soft (Type II) GRB Optical Afterglows
D. A. Kann, S. Klose, B. Zhang +73
We have gathered optical photometry data from the literature on a large sample of Swift-era gamma-ray burst (GRB) afterglows including GRBs up to September 2009, for a total of 76…
The afterglow onset for GRB060418 and GRB060607A
S. Covino, S. D. Vergani, D. Malesani +32
Gamma-ray burst are thought to be produced by highly relativistic outflows. Although upper and lower limits for the outflow initial Lorentz factor are available, observationa…
A study of the prompt and afterglow emission of the Short GRB 061201
G. Stratta, P. D'Avanzo, S. Piranomonte +30
Our knowledge of the intrinsic properties of short duration Gamma-Ray Bursts has relied, so far, only upon a few cases for which the estimate of the distance and an extended, multi…
GRB 070311: a direct link between the prompt emission and the afterglow
C. Guidorzi, S. D. Vergani, S. Sazonov +30
We present prompt gamma-ray, early NIR/optical, late optical and X-ray observations of the peculiar GRB 070311 discovered by INTEGRAL, in order to gain clues on the mechanisms resp…
The optical counterpart of IGR J00291+5934 in quiescence
P. D'Avanzo, S. Campana, S. Covino +3
The recent (December 2004) discovery of the sixth accretion-powered millisecond X-ray pulsar IGR J00291+5934 provides a very good chance to deepen our knowledge of such systems. Al…
Multicolor observations of the afterglow of the short/hard GRB 050724
D. Malesani, S. Covino, P. D'Avanzo +19
New information on short/hard gamma-ray bursts (GRBs) is being gathered thanks to the discovery of their optical and X-ray afterglows. However, some key aspects are still poorly un…