Free Access

Fig. 9.


Amplitude of solar cycle brightness change as defined in Fig. 2. Black line: solar case with solar effective temperatures for all features; green line: hypothetical Sun, but with Teff reduced by 100 K for all components; orange line: same as before, but with Teff increased by 100 K for all components.

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.