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Fig. 1

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PACS 70 μm imaging of (left) HD 181327 and (right) a PSF reference star, HD 148387. Both images were acquired in chop-nod mode. The field of view of each image is 25″ × 25″. Brightness contours at 5, 10, 25, 50 and 75 times the background noise in the HD 181327 image are overlaid on both images.

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