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A new population of very high energy gamma-ray sources in the Milky Way |
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| Authors: | Aharonian F Akhperjanian A G Aye K-M Bazer-Bachi A R Beilicke M Benbow W Berge D Berghaus P Bernlöhr K Boisson C Bolz O Borgmeier C Braun I Breitling F Brown A M Gordo J Bussons Chadwick P M Chounet L-M Cornils R Costamante L Degrange B Djannati-Ataï A Drury L O'C Dubus G Ergin T Espigat P Feinstein F Fleury P Fontaine G Funk S Gallant Y A Giebels B Gillessen S Goret P Hadjichristidis C Hauser M Heinzelmann G Henri G Hermann G Hinton J A Hofmann W Holleran M Horns D de Jager O C Jung I Khélifi B Komin Nu Konopelko A Latham I J Le Gallou R Lemière A Lemoine M Leroy N Lohse T Marcowith A |
| Affiliation: | Max-Planck-Institut für Kernphysik, Post Office Box 103980, D-69029 Heidelberg, Germany. |
| Abstract: | Very high energy gamma-rays probe the long-standing mystery of the origin of cosmic rays. Produced in the interactions of accelerated particles in astrophysical objects, they can be used to image cosmic particle accelerators. A first sensitive survey of the inner part of the Milky Way with the High Energy Stereoscopic System (HESS) reveals a population of eight previously unknown firmly detected sources of very high energy gamma-rays. At least two have no known radio or x-ray counterpart and may be representative of a new class of "dark" nucleonic cosmic ray sources. |
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