Radius and mass of a transiting M dwarf near the hydrogen-burning limit - OGLE-TR-123 F. Pont, C. Moutou, F. Bouchy, R. Behrend, M. Mayor, S. Udry, D. Queloz, N. Santos and C. Melo A&A, 447 3 (2006) 1035-1039 Published online: 10 February 2006 DOI: 10.1051/0004-6361:20053692