H II regions and high-mass starless clump candidates - I. Catalogs and properties S. Zhang, A. Zavagno, J. Yuan, H. Liu, M. Figueira, D. Russeil, F. Schuller, K. A. Marsh and Y. Wu A&A, 637 (2020) A40 Published online: 12 May 2020 DOI: 10.1051/0004-6361/201936792