Proper motion survey and kinematic analysis of the Ophiuchi embedded cluster C. Ducourant, R. Teixeira, A. Krone-Martins, S. Bontemps, D. Despois, P. A. B. Galli, H. Bouy, J. F. Le Campion, M. Rapaport and J. C. Cuillandre A&A, 597 (2017) A90 Published online: 09 January 2017 DOI: 10.1051/0004-6361/201527574