Stellar and wind properties of massive stars in the central parsec of the Galaxy F. Martins, R. Genzel, D. J. Hillier, F. Eisenhauer, T. Paumard, S. Gillessen, T. Ott and S. Trippe A&A, 468 1 (2007) 233-254 Published online: 26 March 2007 DOI: 10.1051/0004-6361:20066688