Gaia Data Release 2
Open Access

Fig. 4


Comparison between the HRDs of 47 Tuc (NGC 104, Age = 12.75 Gyr, [Fe/H] = −0.72), one of the most metal-rich globular clusters (magenta dots), and M 67 (NGC 2682, Age = 3.47 Gyr, [Fe/H] = 0.03), one of the oldestopen clusters (blue dots).

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.