ROOSTER: a machine-learning analysis tool for Kepler stellar rotation periods S. N. Breton, A. R. G. Santos, L. Bugnet, S. Mathur, R. A. García and P. L. Pallé A&A, 647 (2021) A125 Published online: 19 March 2021 DOI: 10.1051/0004-6361/202039947