Timescales of starspot variability in slow rotators O. V. Arkhypov, M. L. Khodachenko, M. Güdel, C. Johnstone, T. Lüftinger and H. Lammer A&A, 613 (2018) A31 Published online: 25 May 2018 DOI: 10.1051/0004-6361/201732032