Statistical study of OB stars in NGC 6334 and NGC 6357 D. Russeil, A. Zavagno, C. Adami, L. D. Anderson, S. Bontemps, F. Motte, J. A. Rodon, N. Schneider, A. Ilmane and K. J. Murphy A&A, 538 (2012) A142 Published online: 16 February 2012 DOI: 10.1051/0004-6361/201117299