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Fig. 2

image

Comparison between the VLT/SPHERE/ZIMPOL deconvolved images of Iris (bottom panel) and the corresponding projections of our ADAM shape model (top panel). The red line indicates the position of the rotation axis. We use a nonrealistic illumination to highlight the local topography of the model. The selected illumination significantly enhances the ridge that spreads from the top to the bottom of the projections on the left-hand side of the figure. This ridge is a minor modeling artifact caused by the limited number of observing geometries sampled by SPHERE.

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