Fig. 3
NGC 1847; Positions of the stars on the WFPC2 chip. The inner circle (red) corresponds to two times the core radius of the cluster. The intersection of the outer two circles forming an annulus with the corners of the WFPC2 field of view is the area which is used for field star removal. The asterisk symbol marks the center of the cluster as determined by us.
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.