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Preliminary results from a search for TeV gamma-ray emission from SN1987A and the surrounding field with H.E.S.S

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Rowell,  Gavin
Division Prof. Dr. Werner Hofmann, MPI for Nuclear Physics, Max Planck Society;

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Hinton,  James
Division Prof. Dr. Werner Hofmann, MPI for Nuclear Physics, Max Planck Society;

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Benbow,  Wystan
Division Prof. Dr. Werner Hofmann, MPI for Nuclear Physics, Max Planck Society;

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Citation

Rowell, G., Hinton, J., & Benbow, W. (2005). Preliminary results from a search for TeV gamma-ray emission from SN1987A and the surrounding field with H.E.S.S. In F. A. Aharonian, H. J. Völk, & D. Horns (Eds.), High energy gamma-ray astronomy: 2nd International Symposium on High Energy Gamma-Ray Astronomy, Heidelberg, Germany, 26 - 30 July 2004 (pp. 299-304). Melville, NY, USA: American Institute of Physics.


Cite as: https://hdl.handle.net/11858/00-001M-0000-0011-8A64-C
Abstract
H.E.S.S. has observed the very young supernova remnant SN1987A during 2003 in a search for TeV gamma-ray emission. These observations were taken during a build-up phase of H.E.S.S. with 2 operating telescopes, ~6400 days after the initial explosion. Preliminary analysis so far reveals no convincing evidence for TeV emission and the 99% upper limit is compared with a predicted light curve. The H.E.S.S. field of view encompasses a number of other interesting objects including the X-ray shell 30 Dor C, the Crab-like plerion PSR B0540-69, the SNR N157B, and the X-ray binary LMC X-1. These objects may be associated with several features seen in the H.E.S.S. skymaps at marginal significances, and further observations in 2004/2005 with 4 telescopes will be valuable for confirmation.