Please use this identifier to cite or link to this item:
https://hdl.handle.net/2440/37555
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Type: | Journal article |
Title: | Very high energy gamma rays from the direction of Sagittarius A* |
Author: | Aharonian, F. Akhperjanian, A. Aye, K. Bazer-Bachi, A. Beilicke, M. Benbow, W. Berge, D. Berghaus, P. Bernlohr, K. Bolz, O. Boisson, C. Borgmeier, C. Breitling, F. Brown, A. Bussons Gordo, J. Chadwick, P. Chitnis, V. Chounet, L. Cornils, R. Costamante, L. et al. |
Citation: | Astronomy and Astrophysics: a European journal, 2004; 425(1):L13-L17 |
Publisher: | E D P Sciences |
Issue Date: | 2004 |
ISSN: | 0004-6361 1432-0746 |
Statement of Responsibility: | F. Aharonian...G. Rowell...et al. |
Abstract: | We report the detection of a point-like source of very high energy (VHE) γ-rays coincident within 1′ of Sgr A*, obtained with the HESS array of Cherenkov telescopes. The γ-rays exhibit a power-law energy spectrum with a spectral index of -2.2 ± 0.09 × 0.15 and a flux above the 165 GeV threshold of (1.82 ± 0.22) × 10-7 m-2 s-1. The measured flux and spectrum differ substantially from recent results reported in particular by the CANGAROO collaboration. |
Rights: | © The European Southern Observatory 2004 |
DOI: | 10.1051/0004-6361:200400055 |
Published version: | http://dx.doi.org/10.1051/0004-6361:200400055 |
Appears in Collections: | Aurora harvest 6 Physics publications |
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hdl_37555.pdf | Published version | 456.02 kB | Adobe PDF | View/Open |
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