Fig. 2
Download original image
Temporal evolution of filling factors during two observational campaigns. Left panel (2018): the low-latitude filling factor varies between 60% and 86%, while the polar component ranges from 12% to 17%. Right panel (2020): the low-latitude filling factor remains stable between 55% and 72%, with the polar component consistently contributing 12−17%.
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.