Best-fit dust clump model for IK Tau simulated at 820 nm for a larger model star with radius . Top row, from left to right: maps of the intensity I, polarized intensity Ip, and degree of linear polarization pL predictedby the model after convolution with the observed PSF. North is to the top, east to the left. Second row: comparison of the dust clump model and the observed SPHERE-ZIMPOL data showing the 1D cuts at eight different position angles (0°, 45°, 90°,..., 315°) of the intensity I, the normalized polarized intensity Ip, and degree of polarization pL maps, respectively. In each panel, the observed data are plotted with blue lines, while the model is plotted with red lines.
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