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    • Revisiting the Westerlund 2 field with the HESS telescope array 

      Abramowski, A.; Büsching, I.; Casanova, S.; Davids, I.D.; De Jager, O.C.; Holleran, M.; Sushch, I.; Venter, C.; H.E.S.S. Collaboration (EDP Sciences, 2011)
      Aims. Previous observations with the HESS telescope array revealed the existence of extended very-high-energy (VHE; E > 100 GeV) γ-ray emission, HESS J1023–575, coincident with the young stellar cluster Westerlund 2. At ...