Free Access

Table 6.

Amount of data acquired by ASTEP South and subsample of data taken under photometric conditions and nominal functioning of the instrument, with or without the constraint of a Sun elevation lower than −9°.

Winter All data Photometric data All data Photometric data hSun <  −9°
hSun <  −9° hSun <  −9°

2008 1640.5 887.0 1376.3 864.8 3030.6
2009 2977.1 1692.8 2453.4 1575.7 3030.9
2010 3155.5 1829.9 2627.7 1749.2 3031.0
2011 3642.0 2290.1 2993.8 2118.8 3031.0

Total 11415.1 6699.8 9451.2 6308.5 12123.5

Notes. The amount of time with a Sun elevation lower than −9° for the whole year at Dome C is indicated for comparison. All numbers are in hours.

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.