Fig. 1
Polarized intensity images of HD 161796 in the different filters. Upper panels: polarized intensity images obtained with ExPo. Lower panels: the best-fit model images. The left panels shows the images using the Na 580 nm filter, middle panels using the Hα 656 nm filter, and the right panels using the Sloan I filter. The absolute scaling of the model images is adjusted to provide a good fit to the observations.
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