Fig. 18
Upper panels: periodogram of the granulation (left) and supergranulation with a level 2.5 times the minimum (right) time series for the 1-day sampling. The observation duration is 30 min split into 5 observing periods over one night. Middle panels: the same for half of the time series (1 point out of 2 is used, corresponding to a 2-day sampling). Bottom panels: the same for the other half.
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.