Free Access
Fig. 3

Comparison between the [Fe i/H] and [M/H] (i.e. [Fe i/M] ratio) vs. the metallicity for the whole initial sample of stars. The mean of [Fe i/M] is indicated by a solid red line. Dashed lines indicate the difference of ± 2σ that we adopted to define the final sample.
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.