Water maser variability in a high-mass YSO outburst - VERA and ALMA observations of S255 NIRS 3 Tomoya Hirota, Riccardo Cesaroni, Luca Moscadelli, Koichiro Sugiyama, Ross A. Burns, Jungha Kim, Kazuyoshi Sunada and Yoshinori Yonekura A&A, 647 (2021) A23 Published online: 02 March 2021 DOI: 10.1051/0004-6361/202039798