g'r'i'z'JH light curves of GRB 091127 (Filgas+, 2011)

Details g'r'i'z'JH light curves of GRB 091127 (Filgas+, 2011) g'r'i'z'JH light curves of GRB 091127 (Filgas+, 2011)

Oct 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011ycat..35359057f&link_type=abstract

VizieR On-line Data Catalog: J/A+A/535/A57. Originally published in: 2011A&A...535A..57F

Physics

Gamma Rays, Photometry: Infrared

Scientific paper

Using high-quality, broad-band afterglow data for GRB 091127, we investigate the validity of the synchrotron fireball model for gamma-ray bursts, and infer physical parameters of the ultra-relativistic outflow.
We used multi-wavelength (NIR to X-ray) follow-up observations obtained with GROND simultaneously in the g'r'i'z' JH filters and the XRT onboard the Swift satellite in the 0.3 to 10keV energy range. The resulting afterglow light curve is of excellent accuracy with relative photometric errors as low as 1%, and the spectral energy distribution is well-sampled over 5 decades in energy. These data present one of the most comprehensive observing campaigns for a single GRB afterglow and allow us to test several proposed emission models and outflow characteristics in unprecedented detail.
(2 data files).

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