Open Access
Fig. 1
Download original image
CMDs of the studied clusters, namely NGC 1850, NGC 1818, and NGC 2164. The stars in the cluster field are represented with black dots, whereas the violet dots refer to the reference-field stars. For NGC 1850 we used stellar proper motions to identify and exclude from the analysis the bulk of field stars.
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.