Free Access

Table 4

Mean positions and root mean square (in pixels) of the studied QSOs.

QSOLQACid. σ X σ Y

39436 1454.48 1233.89 0.073 0.063
39439 1509.05 2346.74 0.043 0.092
39390 585.42 2046.79 0.065 0.131
39413 1038.44 4038.58 0.050 0.105
39388 512.38 2281.26 0.039 0.092

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.