Fig. 2.
Download original image
HRD colour-coded according to the mean VarG of all stars with A0 < 0.1, parallax uncertainty smaller than 10%, ruwe < 1.4, and C* < 10 × σC*. The colour scale saturates for VarG values lower than 0 and higher than 1.5. Boxes correspond to areas discussed in the text: the sdB (blue), the upper hook (red), and the lower hook (orange).
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.