Physical parameters of the high-mass X-ray binary 4U1700-37 J. S. Clark, S. P. Goodwin, P. A. Crowther, L. Kaper, M. Fairbairn, N. Langer and C. Brocksopp A&A, 392 3 (2002) 909-920 Published online: 09 September 2002 DOI: 10.1051/0004-6361:20021184