Free Access
Fig. 3
The distortion of the Galactic plane (the solid curve) in the FK5 system at J2000.0. The vectors denote the proper motions of certain points, although they should be fixed in the FK4 system at B1950.0. The solid line is the nominal Galactic plane with ℓ = 0.
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.