Free Access

Fig. 8.

image

Dependence of the observed fraction of CN-strong halo stars on metallicity. The solid line shows our recovered overall fraction based on the sample within −1.8 ≤ [Fe/H] ≤ −1.3, whereas the dashed line also accounts for the metal-rich tail up to −1 dex.

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.