Ref HAL: hal-00430143_v1
Ref Arxiv: 0902.1561
Ref. & Cit.: NASA ADS
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Abstract:

The High Energy Stereoscopic System (H.E.S.S.) consists of four ImagingAtmospheric Cherenkov Telescopes (IACTs) in Namibia for the detection of cosmicvery-high-energy (VHE) gamma-rays. Gamma-ray bursts (GRBs) are among thepotential VHE gamma-ray sources. VHE gamma-emission from GRBs is predicted bymany GRB models. Because of its generally fast-fading nature in many wavebands,the time evolution of any VHE gamma-radiation is still unknown. In order toprobe the largely unexplored VHE gamma-ray spectra of GRBs, a GRB observingprogram has been set up by the H.E.S.S. collaboration. With the highsensitivity of the H.E.S.S. array, VHE gamma-ray flux levels predicted by GRBmodels are well within reach. We report the H.E.S.S. observations of andresults from some of the reported GRB positions during March 2003 - May 2006.

Comments: Proceedings of the meeting ``070228 - The Next Decade of GRB Afterglows'' held March 19-23, 2007 in Amsterdam