Erratum: HESS J1640-465 - an exceptionally luminous TeV γ-ray supernova remnant - Abramowski, Attila; Becherini, Yvonne; Cologna, Gabriele; Jankowsky, Felix; Kaufmann, Sarah; Mohamed, Mahmoud; Quirrenbach, Andreas; Schwemmer, Stephanie; Wagner, Stefan; Zacharias, Michael (Monthly notices of the Royal Astronomical Society, 2014)