Detection of very-high-energy gamma-ray emission from the vicinity of PSR B1706-44 and G343.1-2.3 with H.E.S.S
- Abramowski, A.
- Acero, Fabio
- Aharonian, F.
- Akhperjanian, A.G.
- Anton, G.
- Barnacka, A.
- Barres de Almeida, U.
- Bazer-Bachi, A.R.
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- Boisson, C.
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- Carrigan, S.
- Casanova, S.
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- Cheesebrough, A.
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- Drury, L.O'C.
- Dubois, F.
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- Egberts, K.
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- Fernandes, M.V.
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- de Oña Wilhelmi, E.
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- Rayner, S.M.
- Reimer, A.
- Reimer, O.
- Renaud, M.
- de Los Reyes, R.
- Rieger, F.
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- Rob, L.
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- Rowell, G.
- Rudak, B.
- Rulten, C.B.
- Ruppel, J.
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- Santangelo, A.
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- Valerius, K.
- van Eldik, C.
- Vasileiadis, G.
- Venter, C.
- Vialle, J.P.
- Viana, A.
- Vincent, P.
- Vivier, M.
- Völk, H.J.
- Volpe, F.
- Vorobiov, S.
- Wagner, S.J.
- Ward, M.
- Wierzcholska, A.
- Zajczyk, A.
- Zdziarski, A.A.
- Zech, A.
- Zechlin, H.-S.
- Dubner, G.
- Giacani, E.
DOIAbstract
15 pages, 6 figures, 3 tablesThe gamma-ray pulsar PSR B1706-44 and the adjacent supernova remnant (SNR) candidate G343.1-2.3 were observed by H.E.S.S. during a dedicated observation campaign in 2007. As a result of this observation campaign, a new source of very-high-energy (VHE; E > 100 GeV) gamma-ray emission, HESS J1708-443, was detected with a statistical significance of 7 sigma, although no significant point-like emission was detected at the position of the energetic pulsar itself. In this paper, the morphological and spectral analyses of the newly-discovered TeV source are presented. The centroid of HESS J1708-443 is considerably offset from the pulsar and located near the apparent center of the SNR, at RA(J2000) = 17h08m11s +/- 17s a...
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