The solar type protostar IRAS16293-2422: new constraints on the physical structureN. Crimier, C. Ceccarelli, S. Maret, S. Bottinelli, E. Caux, C. Kahane, D. C. Lis and J. OlofssonA&A, 519 (2010) A65DOI: https://doi.org/10.1051/0004-6361/200913112