A Knee-Point in the Rotation-Activity Scaling of Late-type Stars with a Connection to Dynamo Transitions

30 Jun 2020 Lehtinen Jyri J. Käpylä Maarit J. Olspert Nigul Spada Federico

The magnetic activity of late-type stars is correlated with their rotation rates. Up to a certain limit, stars with smaller Rossby numbers, defined as the rotation period divided by the convective turnover time, have higher activity... (read more)

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  • SOLAR AND STELLAR ASTROPHYSICS