Free Access

Fig. 6


The histogram of distance in wavelength between Fe xii λ195 line and the reference line (Fe x λ184) off-limb. The histogram is nearly Gaussian and with a sigma of  ≈ 1.3 km s-1, that can be taken as an estimate of the instrument accuracy in measuring the distance in wavelength.

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.