Download original image
Effective area of EUV instrument detector estimated from standard star white dwarf GD71 observation on 29 July, 2016. The dip at around 121.6 nm is due to an absence of cesium iodide photocathode, which reduced the huge number of photon counts from hydrogen Lyman alpha emission (see Yoshioka et al., 2013).
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.