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  Observations of the Galactic Centre Region in Very High Energy Gamma-Rays with H.E.S.S.

Hinton, J. A., Funk, S., Hofmann, W., Rolland, L., & de Naurois, M. (2005). Observations of the Galactic Centre Region in Very High Energy Gamma-Rays with H.E.S.S. In B. S. Acharya, S. Gupta, P. Jagadeesan, A. Jain, S. Karthikeyan, S. Morris, et al. (Eds.), Proceedings of the 29th International Cosmic Ray Conference (pp. 21-22). Navy Nagar, Colaba, Mumbai, MH-400005: Tata Institute of Fundamental Research.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0011-8785-B Version Permalink: https://hdl.handle.net/11858/00-001M-0000-0011-8786-9
Genre: Conference Paper

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 Creators:
Hinton, James A.1, Author           
Funk, Stefan1, Author           
Hofmann, Werner1, Author           
Rolland, Loic2, Author
de Naurois, M.1, Author           
J. Hinton for the H.E.S.S. Collaboration, Editor  
Affiliations:
1Division Prof. Dr. Werner Hofmann, MPI for Nuclear Physics, Max Planck Society, ou_904550              
2Yerevan Physics Institute, 2 Alikhanian Brothers Street, 375036 Yerevan, Armenia. Department of Physics, University of Durham, South Road, Durham DH1 3LE, UK. Centre d'Etude Spatiale des Rayonnements, CNRS/UPS, 9 av. du Colonel Roche, BP 4346, F-31029 Toulouse Cedex 4, France. Institut für Experimentalphysik, Universität Hamburg, Luruper Chaussee 149, D-22761 Hamburg, Germany. APC, UMR 7164 du CNRS, 11 Place Marcelin Berthelot, F-75231 Paris Cedex 05, France. Institut für Physik, Humboldt-Universität zu Berlin, Newtonstr. 15, D-12489 Berlin, Germany. Laboratoire Univers et Théories (LUTH), UMR 8102 du CNRS, Observatoire de Paris, Section de Meudon, F-92195 Meudon Cedex, France. Laboratoire de Physique Théorique et Astroparticules, IN2P3/CNRS, Université Montpellier II, CC 70, Place Eugène Bataillon, F-34095 Montpellier Cedex 5, France. Laboratoire Leprince-Ringuet, IN2P3/CNRS, Ecole Polytechnique, F-91128 Palaiseau, France. Dublin Institute for Advanced Studies, 5 Merrion Square, Dublin 2, Ireland. Landessternwarte, Königstuhl, D-69117 Heidelberg, Germany. Laboratoire d'Astrophysique de Grenoble, INSU/CNRS, Université Joseph Fourier, BP 53, F-38041 Grenoble Cedex 9, France. DAPNIA/DSM/CEA, CE Saclay, F-91191 Gif-sur-Yvette, France. Unit for Space Physics, North-West University, Potchefstroom 2520, South Africa. Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Universités Paris VI & VII, 4 Place Jussieu, F-75252 Paris Cedex 05, France. Institut für Theoretische Physik, Lehrstuhl IV: Weltraum und Astrophysik, Ruhr-Universität Bochum, D-44780 Bochum, Germany. Institute of Particle and Nuclear Physics (IPNP), Charles University, V Holesovickach 2, 180 00 Prague 8, Czech Republic. University of Namibia, Private Bag 13301, Windhoek, Namibia., ou_persistent22              

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 Abstract: The central 300 parsecs of our Galaxy contain the richest population of potential very high energy (VHE) γ-ray sources of any part of the sky. The wide field of view of H.E.S.S. [1] (5⁰) allows us to observe all of these candidate sources with a single pointing of the instrument. In addition to the known γ-ray sources G 0.9+0.1 [2] and HESS J1745-290 (close to Sgr A*) [3, 4, 5], the region contains several shell-type SNR, at least one additional pulsar wind nebula (the `Mouse', G359.23-0.82) and two unidenti ed EGRET sources. In addition to these potential 'active' particle accelerators, the Galactic Centre (GC) region provides probably the best target for the detection of VHE γ-rays from 'passive' cosmic ray targets [6]. The dense and massive molecular clouds of the region, Sgr A, B and C, provide efficient targets for diffuse cosmic rays, leading to γ-ray production via the decay of neutral pions. At lower energies the EGRET instrument detected strong diffuse emission from the GC region [7]. However, the presence of two strong sources in the region and the rather poor angular resolution of EGRET, prevented the determination of the density of ~GeV cosmic rays in this region. With the order of magnitude better angular resolution of H.E.S.S. the giant molecular clouds of the region are individually resolvable.

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Language(s): eng - English
 Dates: 2005-12
 Publication Status: Issued
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: eDoc: 281838
 Degree: -

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Title: 29th International Cosmic Ray Conference
Place of Event: Pune, India
Start-/End Date: 2005-08-03 - 2005-08-10

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Title: Proceedings of the 29th International Cosmic Ray Conference
Source Genre: Proceedings
 Creator(s):
Acharya, B. Sripathi, Editor
Gupta, Sunil, Editor
Jagadeesan, P., Editor
Jain, Atul, Editor
Karthikeyan, S., Editor
Morris, Samuel, Editor
Tonwar, Suresh, Editor
Affiliations:
-
Publ. Info: Navy Nagar, Colaba, Mumbai, MH-400005 : Tata Institute of Fundamental Research
Pages: - Volume / Issue: - Sequence Number: - Start / End Page: 21 - 22 Identifier: -