Free Access

Table 1

Spread in the cy index and average cy uncertainty due to photometric errors.

GC cy spread cy spread cy unc

NGC 6752 0.05 0.05 0.01
NGC 1851 0.03 0.05 0.01
NGC 362 0.02 0.03 0.01
M 92 0.02 0.02 0.01
M 3 0.04 0.05 0.02

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.