Free Access

Fig. 1

thumbnail

Stokes I, Q/I and V/I spectra showing an example synoptic measurement taken on 16 August 2008 close to the heliographic south pole. Q/I ranges from −0.08% to 0.11% (with the continuum fixed at zero) and V/I ranges from −0.12% to 0.09%.

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.