Free Access
Fig. 1

Histograms of the parallaxes (top left), B−V colour indices (top right), metallicities (bottom left), and
activity indices of a parent sample of 691 nearby main-sequence stars with measured chromospheric activity indices, metallicities, parallaxes, proper motions, and radial velocities.
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.