Free Access
Fig. 1
Colour-magnitude diagram of 47 Tuc based on 2MASS data. The location of our sample stars are shown, divided into variable stars (red filled circles) and non-variable stars (blue open triangles). The photometry has been transferred to the Bessell system.
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.