Fig. 5
Synthetic CMDs in the V, I, and K bands. We hypothesize that the GC is composed of two families of stars with Y = 0.25 (red circles) and Y = 0.35 (blue squares), with an age difference of 20 Myr: the age of the first- and second-generation stars are labeled. Cepheids are marked as green triangles.
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.