Open Access
Fig. 3.

Download original image
xy-positions before 2016 (a) and after 2016 (b). The two plots are shown with the same scale to facilitate their comparison. An ordering of component positions seems to take place after 2016 and is visible as a ring structure around the radio core in panel b. The data are available in Tables D.1, D.2, and E.1.
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.