Temporal sequence of the Al i 783 nm line at disk center. The six quantities are plotted as a function of time in minutes after 10:00 UT. Equivalent width and continuum intensity are plotted as the deviation in percent from their respective mean values. Each point corresponds to the mean spectrum along the slit for one exposure.
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.