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GRB 091029: At the limit of the fireball scenario
R. Filgas, J. Greiner, P. Schady +20
Using high-quality, broad-band afterglow data for GRB 091029, we test the validity of the forward-shock model for gamma-ray burst afterglows. We used multi-wavelength (NIR to X-ray…
Multi-color observations of short GRB afterglows: 20 events observed between 2007 and 2010
A. Nicuesa Guelbenzu, S. Klose, J. Greiner +18
We report on follow-up observations of 20 short-duration gamma-ray bursts performed in g'r'i'z'JHKs with the seven-channel imager GROND between mid-2007 and the end of 2010. This i…
The structure and emission model of the relativistic jet in the quasar 3C 279 inferred from radio to high-energy gamma-ray observations in 2008-2010
M. Hayashida, G. M. Madejski, K. Nalewajko +90
We present time-resolved broad-band observations of the quasar 3C 279 obtained from multi-wavelength campaigns conducted during the first two years of the Fermi Gamma-ray Space Tel…
The Afterglow and Environment of the Short GRB111117A
R. Margutti, E. Berger, W. Fong +10
We present multi-wavelength observations of the afterglow of the short GRB111117A, and follow-up observations of its host galaxy. From rapid optical and radio observations we place…
Detailed optical and near-infrared polarimetry, spectroscopy and broadband photometry of the afterglow of GRB 091018: Polarisation evolution
K. Wiersema, P. A. Curran, T. Kruehler +30
[Abridged] A number of phenomena have been observed in GRB afterglows that defy explanation by simple versions of the standard fireball model, leading to a variety of new models. P…
The late-time afterglow of the extremely energetic short burst GRB 090510 revisited
A. Nicuesa Guelbenzu, S. Klose, T. Kruehler +16
The discovery of the short GRB 090510 has raised considerable attention mainly because it had a bright optical afterglow and it is among the most energetic events detected so far w…