Fig. 13
Results for HD 169142 in L′ band after the PSF subtraction with PynPoint and no pre-stacking. The image on the left shows the result with meanbackground subtracted frames and a PSF subtraction with nine principal components. The image on the right shows the result with PCA residual background subtracted frames and a PSF subtraction with three principal components. The radius of the inner mask is 0.06′′ . North is up and east is to the left of the images. The scale is in arbitrary linear units.
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