Free Access

Fig. 5


Conditions at the base of the corona of Chen et al. (2014, 2015). Vertical current density Jz (panel a), vertical magnetic field Bz (panel b) and the vertical component of the double curl of the electromotive force [ × × (u × B)] z (panel c) in a horizontal plane at a height of z = 2.9 Mm placed around the field lines (white dots); we refer to Sect. 3.2.

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.