Fig. 4

Download original image
Relative orientation of yearly celestial reference frames with respect to the ICRF3 S∕X-band frame. The yearly celestial frames were constructed from the annual mean positions of the defining sources of the ICRF3. The marker indicates the estimate of the orientation parameters, while the bar shows the formal uncertainty from the least-squares fitting.
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.