Free Access

Fig. 2


Average (stacked) images of the apparent vortex area in HMI (top row) and Hα −1.03 Å (bottom row) for certain similar time intervals. The first column shows an average image of the entire observed second time series, while the other columns show average images for shorter time intervals within the second time series that are denoted within each image. The overplotted yellow circle indicates the location of the analysed conspicuous vortex flow as seen in Hα .

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.