Free Access

Fig. 3


Distribution of proper motions in right ascension (pmx = μαcosδ) and declination (pmy = μδ) in the chosen all-sky samples 2MAst HQ (blue solid line) and UCAC4 HQ (red thin line). Top: north of δ = −30°, bottom: south of δ = −30°. The number of objects in the long tails of the distributions extending outside the shown range of 50 ... +50 mas/yr are indicated at the histogram edges.

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.