Free Access
Fig. 28

The γ1 vs. βt diagram, showing the effectiveness of γ1 to discriminate gravities between MS, PMS, and giants also in the case of intermediate-type stars, with βt acting as a temperature index. Late-type stars are not shown.
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.