Fig. 5.
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Correlations with the PSF peak quality 
. Top: correlation between the polarized flux 
for the inner dust ring and the PSF peak 
for the R′(red) and I′(blue) band. Bottom: correlation of the ratio of peak intensities between the R′ and I′ band and the 
as an illustration of the stronger dependence of the PSF peak intensity in the R′ band on atmospheric conditions.
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