Stellar activity analysis of Barnard's Star: Very slow rotation and evidence for long-term activity cycle

B. Toledo-Padrón, J. I. González Hernández, C. Rodríguez-López +58

The authors analyze 14‑year spectroscopic and 15‑year photometric data of Barnard's Star to measure its stellar activity, finding a slow rotation period of about 145 days and a lon…

CARMENES input catalogue of M dwarfs IV. New rotation periods from photometric time series

E. Diez Alonso, J. A. Caballero, D. Montes +21