Free Access
Fig. 2.
Correlation of the sky temperature Tsky and PWV at zenith Only the range of conditions with PWV < 15 mm relevant for typical astronomical observations is used for the final fit function.
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.