Free Access

Fig. 18


[O/Fe] vs. [Na/Fe] for BHB stars (left panel) and RGB stars from Marino et al. (2011a: right panel). In the left panel different colours are for stars of different groups (see Sect. 4). Group 1: red filled squares; Group 2: black open squares; Group 3: blue filled triangles. Typical error bars for our analysis are also shown.

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.