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arxiv: astro-ph/0504380 · v1 · pith:ZVJJARFKnew · submitted 2005-04-18 · 🌌 astro-ph

A new population of very high energy gamma-ray sources in the Milky Way

classification 🌌 astro-ph
keywords energyhighcosmicsourcesverygamma-raysmilkypopulation
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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 (H.E.S.S.) 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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