OB stars and YSO populations in the region of NGC 6334–NGC 6357 as seen with Gaia DR2 D. Russeil, A. Zavagno, A. Nguyen, M. Figueira, C. Adami and J. C. Bouret A&A, 642 (2020) A21 Published online: 30 September 2020 DOI: 10.1051/0004-6361/202037674