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. 2006 Dec 1;97(22):221102.
doi: 10.1103/PhysRevLett.97.221102. Epub 2006 Nov 30.

HESS observations of the galactic center region and their possible dark matter interpretation

F Aharonian  1 , A G Akhperjanian, A R Bazer-Bachi, M Beilicke, W Benbow, D Berge, K Bernlöhr, C Boisson, O Bolz, V Borrel, I Braun, F Breitling, A M Brown, R Bühler, I Büsching, S Carrigan, P M Chadwick, L-M Chounet, R Cornils, L Costamante, B Degrange, H J Dickinson, A Djannati-Ataï, L O'C Drury, G Dubus, K Egberts, D Emmanoulopoulos, P Espigat, F Feinstein, E Ferrero, A Fiasson, G Fontaine, Seb Funk, S Funk, Y A Gallant, B Giebels, J F Glicenstein, P Goret, C Hadjichristidis, D Hauser, M Hauser, G Heinzelmann, G Henri, G Hermann, J A Hinton, W Hofmann, M Holleran, D Horns, A Jacholkowska, O C de Jager, B Khélifi, Nu Komin, A Konopelko, K Kosack, I J Latham, R Le Gallou, A Lemière, M Lemoine-Goumard, T Lohse, J M Martin, O Martineau-Huynh, A Marcowith, C Masterson, T J L McComb, M de Naurois, D Nedbal, S J Nolan, A Noutsos, K J Orford, J L Osborne, M Ouchrif, M Panter, G Pelletier, S Pita, G Pühlhofer, M Punch, B C Raubenheimer, M Raue, S M Rayner, A Reimer, O Reimer, J Ripken, L Rob, L Rolland, G Rowell, V Sahakian, L Saugé, S Schlenker, R Schlickeiser, U Schwanke, H Sol, D Spangler, F Spanier, R Steenkamp, C Stegmann, G Superina, J-P Tavernet, R Terrier, C G Théoret, M Tluczykont, C van Eldik, G Vasileiadis, C Venter, P Vincent, H J Völk, S J Wagner, M Ward; HESS Collaboration
Affiliations

HESS observations of the galactic center region and their possible dark matter interpretation

F Aharonian et al. Phys Rev Lett. .

Erratum in

  • Phys Rev Lett. 2006 Dec 15;97(24):249901

Abstract

The detection of gamma rays from the source HESS J1745-290 in the Galactic Center (GC) region with the High Energy Spectroscopic System (HESS) array of Cherenkov telescopes in 2004 is presented. After subtraction of the diffuse gamma-ray emission from the GC ridge, the source is compatible with a point source with spatial extent less than 1.2;{'}(stat) (95% C.L.). The measured energy spectrum above 160 GeV is compatible with a power law with photon index of 2.25+/-0.04(stat)+/-0.10(syst) and no significant flux variation is detected. It is finally found that the bulk of the very high energy emission must have non-dark-matter origin.

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