On the structure of the transition disk around TW Hydrae J. Menu, R. van Boekel, Th. Henning, C. J. Chandler, H. Linz, M. Benisty, S. Lacour, M. Min, C. Waelkens, S. M. Andrews et al. (18 more) A&A, 564 (2014) A93 Published online: 14 April 2014 DOI: 10.1051/0004-6361/201322961