Free Access
Fig. 1
Left panel: cumulative distribution functions for offsets between interactively measured co-ordinates and adopted UCAC4 positions, for right ascension, declination, and absolute differences. Right panel: cumulative distribution function for offsets between BE74’s positions and the current astrometry.
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.