Tam 2009 Gamma-ray burst observations with H.E.S.S

主要内容:
some upper limits

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Title:
Gamma-ray burst observations with H.E.S.S
Authors:
Tam, Pak-Hin; Chadwick, Paula; Gallant, Yves; Horns, Dieter; Pühlhofer, Gerd; Rowell, Gavin; Wagner, Stefan; for the H. E. S. S. collaboration
Publication:
eprint arXiv:0902.1561
Publication Date:
02/2009
Origin:
ARXIV
Keywords:
Astrophysics - High Energy Astrophysical Phenomena
Comment:
Proceedings of the meeting ``070228 - The Next Decade of GRB Afterglows'' held March 19-23, 2007 in Amsterdam
Bibliographic Code:
2009arXiv0902.1561T
AbstractThe High Energy Stereoscopic System (H.E.S.S.) consists of four Imaging Atmospheric Cherenkov Telescopes (IACTs) in Namibia for the detection of cosmic very-high-energy (VHE) gamma-rays. Gamma-ray bursts (GRBs) are among the potential VHE gamma-ray sources. VHE gamma-emission from GRBs is predicted by many 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 to probe the largely unexplored VHE gamma-ray spectra of GRBs, a GRB observing program has been set up by the H.E.S.S. collaboration. With the high sensitivity of the H.E.S.S. array, VHE gamma-ray flux levels predicted by GRB models are well within reach. We report the H.E.S.S. observations of and results from some of the reported GRB positions during March 2003 - May 2006.
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