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Fig. 3

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Comparison between the pixelated polarization angles of stars and those of dust emission in the nearest approach region of the RW to the Sun. The polarization angles of stars with significant polarization fraction, within 400 pc from the Sun and within 10 degrees angular separation of the RW are shown as yellow segments. White segments show the stars excluded from the analysis due to their projected proximity to the TMC. Light brown segments show the orientation of the plane-of-sky magnetic field derived by rotating the Planck 353 GHz data by 90 degrees. The cyan dashed line shows the spine of the RW as projected on the sky, while the background image shows the extinction out to 400 pc. The inset on the bottom right shows the distribution of angle differences between the Planck-inferred magnetic field orientation and the polarization angles of stars at Nside = 64 excluding sightlines toward the TMC. The circular mean and its error are shown as a vertical black line and a gray band. The dashed vertical gray line in the inset indicates a relative orientation of 0°.

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