Fig. 15
Log-scale representation of cuts of the central part of UPPs produced by external occulters for geometrical umbras of 10 cm (full lines) and 20 cm (dashed lines). a) Raw disc of 150 cm, b) linear apodized occulter of 153 cm, c) Sonine – apodized occulter of 153 cm. See Fig. 11 for apodization profiles.
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