Inelastic e+Mg collision data and its impact on modelling stellar and supernova spectra P. S. Barklem, Y. Osorio, D. V. Fursa, I. Bray, O. Zatsarinny, K. Bartschat and A. Jerkstrand A&A, 606 (2017) A11 Published online: 26 September 2017 DOI: 10.1051/0004-6361/201730864