Free Access
Fig. 1
Angles ϕ, ψ, θ, and A, originated from the position of gravitational mass (B), quasar (Q), and baseline vector (b). If the Sun plays the role of the gravitational mass, then the point B in Fig. 1 is also the position of the solar system barycentre.
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.