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  Discovery of extended VHE gamma-ray emission from the asymmetric pulsar wind nebula in MSH 15-52 with H.E.S.S.

Aharonian, F., Akhperjanian, A. G., Aye, K.-M., Bazer-Bachi, A. R., Beilicke, M., Benbow, W., et al. (2005). Discovery of extended VHE gamma-ray emission from the asymmetric pulsar wind nebula in MSH 15-52 with H.E.S.S. Astronomy & Astrophysics, 435(1), L17-L20. doi:10.1051/0004-6361:200500105.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0011-8900-1 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0011-8901-0
Genre: Journal Article


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Aharonian, F.1, Author              
Akhperjanian, A. G.1, Author              
Aye, K.-M.2, Author
Bazer-Bachi, A. R.2, Author
Beilicke, M.1, Author              
Benbow, W.1, Author              
Berge, D.1, Author              
Berghaus, P.2, Author
Bernlöhr, K.1, Author              
Bolz, O.1, Author              
Boisson, C:2, Author
Glicenstein, J.F.1, Author              
Breitling, F.2, Author
Brown, A. M.2, Author
Bussons Gordo, J.2, Author
Chadwick, P. M.2, Author
Braun, I.1, Author              
Chounet, L.-M.2, Author
Cornils, R.1, Author              
Costamante, L.1, Author              
Degrange, B.2, AuthorDjannati-Atai, A.1, Author              Drury, L.O'C.2, AuthorEmmanoulopoulos, D.2, AuthorEspigat, P.2, AuthorFeinstein, F.1, Author              Fleury, P.2, AuthorFontaine, G.2, AuthorFunk, S.1, Author              Gallant, Y. A.1, Author              Giebels, B.2, AuthorGillessen, S.1, Author              Goret, P.2, AuthorDubus, G.1, Author              Hadjichristidis, C.2, AuthorHauser, M.2, AuthorHeinzelmann, G.2, AuthorHenri, G.2, AuthorHermann, G.1, Author              Hinton, J. A.1, Author              Hofmann, W.1, Author              Holleran, M.2, AuthorHorns, D.1, Author              de Jager, O. C.2, AuthorKhélifi, B.1, Author              Komin, N.2, AuthorKonopelko, A.3, Author              Latham, I. J.2, AuthorLe Gallou, R.2, AuthorLemoine-Goumard, M.2, AuthorLemière, A.2, AuthorLeroy, N.2, AuthorLohse, T.2, AuthorMarcowith, A.2, AuthorMasterson, C.1, Author              McComb, T. J. L.2, Authorde Naurois, M.1, Author              Nolan, S. J.2, AuthorNoutsos, A.2, AuthorOrford, K. J.1, Author              Osborne, J. L.1, Author              Ouchrif, M.2, AuthorPanter, M.1, Author              Pelletier, G.2, AuthorPita, S.2, AuthorFuchs, Y.2, AuthorPühlhofer, G.1, Author              Punch, M.2, AuthorRaubenheimer, B. C.2, AuthorRaue, M.1, Author              Raux, J.2, AuthorRayner, S. M.2, AuthorRedondo, I.2, AuthorReimer, A.2, AuthorReimer, O.2, AuthorRipken, J.2, AuthorTerrier, R.2, AuthorRob, L.2, AuthorRolland, L.2, AuthorRowell, G.1, Author              Sahakian, V.2, AuthorSaugé, L.1, Author              Schlenker, S.2, AuthorSchlickeiser, R.2, AuthorSchuster, C.2, AuthorSchwanke, U.2, AuthorSiewert, M.2, AuthorSol, H.2, AuthorSteenkamp, R.2, AuthorStegmann, C.2, AuthorTavernet, J.-P-2, AuthorThéoret, C. G.2, AuthorTluczykont, M.2, AuthorVenter, C.2, AuthorVasileiadis, G.1, Author              Vincent, P.2, AuthorVölk, H. J.3, Author              Wagner, S. J.2, AuthorMartineau-Huynh, O.2, Author more..
1Division Prof. Dr. Werner Hofmann, MPI for Nuclear Physics, Max Planck Society, ou_904550              
2Yerevan Physics Institute, Armenia University of Durham, Department of Physics, UK Centre d'Etudes Spatiales des Rayonnements, CNRS/UPS Toulouse, France Universität Hamburg, Institut für Experimentalphysik, Germany APC, Paris, France, Institut für Physik, Humboldt-Universität zu Berlin, Germany LUTH, UMR 8102 du CNRS, Observatoire de Paris, Section de Meudon, France Groupe d'astroparticules de Montpellier, IN2P3/CNRS, Université Montpellier II, France Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Universités Paris VI & VII, Jussieu, France European Associated Laboratory for Gamma-Ray Astronomy, jointly supported by CNRS and MPG Laboratoire Leprince-Ringuet, IN2P3/CNRS, Ecole Polytechnique, Palaiseau, France Dublin Institute for Advanced Studies, Ireland Service d'Astrophysique. DAPNIA/DSM/CEA, CE Saclay, Gif-sur-Yvette, France Landessternwarte, Königstuhl, Heidelberg, Germany Laboratoire d'Astrophysique de Grenoble, INSU/CNRS, Université Joseph Fourier, France Unit for Space Physics, North-West University, Potchefstroom, South Africa Institut für theoretische Physik, Lehrstuhl IV, Ruhr-Universität Bochum, Germany Institute of Particle and Nuclear Physics, Charles University, Prague, Czech Republic University of Namibia, Windhoek, Namibia, ou_persistent22              
3Prof. Heinrich J. Völk, Emeriti, MPI for Nuclear Physics, Max Planck Society, ou_907548              


Free keywords: gamma-rays: observations -- ISM: supernova remnants -- pulsar wind nebula -- ISM: individual objects: PSR B1509-58 -- ISM: individual objects: G 320.4-1.2 H.E.S.S.
 Abstract: The Supernova Remnant MSH 15-52 has been observed in very high energy (VHE) gamma-rays using the HESS 4-telescope array located in Namibia. A gamma-ray signal is detected at the 25 sigma level during an exposure of 22.1 h live time. The image reveals an elliptically shaped emission region around the pulsar PSR B1509-58, with semi-major axis ~6' in the NW-SE direction and semi-minor axis ~2'. This morphology coincides with the diffuse pulsar wind nebula as observed at X-ray energies by ROSAT. The overall energy spectrum from 280 GeV up to 40 TeV can be fitted by a power law with photon index Γ = 2.27 ± 0.03stat ± 0.20syst. The detected emission can be plausibly explained by inverse Compton scattering of accelerated relativistic electrons with soft photons.


Language(s): eng - English
 Dates: 2005-05-03
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: eDoc: 236777
DOI: 10.1051/0004-6361:200500105
 Degree: -



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Source 1

Title: Astronomy & Astrophysics
  Alternative Title : A&A
Source Genre: Journal
Publ. Info: -
Pages: - Volume / Issue: 435 (1) Sequence Number: - Start / End Page: L17 - L20 Identifier: -