Free Access

Fig. A.2.

image

Sliding periodograms for Ca II computed with a time window of 300 (top), 600 (middle), and 900 days (bottom). The X-axis shows the median time over which the GLS periodograms are calculated. Vertical white strips corresponds to gaps in the data.

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.