Energetic feedback and 26Al from massive stars and their supernovae in the Carina region R. Voss, P. Martin, R. Diehl, J. S. Vink, D. H. Hartmann and T. Preibisch A&A, 539 (2012) A66 Published online: 24 February 2012 DOI: 10.1051/0004-6361/201118209