H.E.S.S. observations of the Carina nebula and its enigmatic colliding wind binary Eta Carinae - Abramowski, Attila; Wagner, Stefan; Zacharias, Michael; Becherini, Yvonne; Cologna, Gabriele; Hauser, Marcus; Kaufmann, Sarah; Lenain, Jean-Philippe; Mohamed, Mahmoud; Quirrenbach, Andreas; Schwemmer, Stephanie (Arxiv, 2012)