Open Access
Fig. 2
Download original image
CMDs of NGC 5286, NGC 2808, and NGC 6388. The P1 stars included in our final samples are shown with black dots. The small gray dots are the stars from the HUGS photometric catalog that have well-measured photometry (see Sect. 3.2).
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.