Fig. 4

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Herschel 250 µm dust map of Kronberger 1 in panel a and Berkeley 71 in panel b. The contours correspond to the constant Herschel 250 µm intensity. The polarization measurements are overplotted on the dust map, and the color-coding and orientation are similar to Fig. 1. A 5% polarization line perpendicular to celestial north is also added in the bottom corner on the right side.
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