Free Access

Fig. 1

image

Colour-magnitude diagram of the open cluster IC 4756. The UBV photometry of the open cluster is from Alcaino (1965). The stars investigated in this work are marked with circles. The green circlesrepresent the stars with uncertain membership status.

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.