Download original image
Schematic of the vAPP coronagraph. A pupil-plane optic that manipulates phase to generate two coronagraphic PSFs with opposite dark holes. Due to manufacturing errors, an extra, on-axis, non-coronagraphic leakage PSF is generated as well. Figure adapted from Bos et al. (2019).
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.