Free Access
Fig. 4

HR diagram positions of the sample stars with known X-ray luminosity and rotation periods compared with the 200 Myr NextGen isochrones of Baraffe et al. (1998) for solar metallicity with mixing length parameters Lmix = Hp (solid line) and Lmix = 1.9Hp (dashed line).
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.