Modelling the evolution of the Sun’s open and total magnetic flux N. A. Krivova, S. K. Solanki, B. Hofer, C.-J. Wu, I. G. Usoskin and R. Cameron A&A, 650 (2021) A70 Published online: 08 June 2021 DOI: 10.1051/0004-6361/202140504