Fig. 15
Overview of the several reference systems used in pre-processing. From barycentric coordinates to the system used for the acquisition parameters of the observations within each CCD of the focal plane. The transformations on the left are of a general, large scale nature, while the ones on the right involve the detailed properties of the Gaia mirrors and focal plane.
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.