Calibration of the pre-main sequence RS Chamaleontis binary system E. Alecian, M.-J. Goupil, Y. Lebreton, M.-A. Dupret and C. Catala A&A, 465 1 (2007) 241-248 Published online: 11 January 2007 DOI: 10.1051/0004-6361:20065822