The solar type protostar IRAS16293-2422: new constraints on the physical structure N. Crimier, C. Ceccarelli, S. Maret, S. Bottinelli, E. Caux, C. Kahane, D. C. Lis and J. Olofsson A&A, 519 (2010) A65 Published online: 14 September 2010 DOI: 10.1051/0004-6361/200913112