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Fig. 4


Periodic variations of polarization with stellar rotational phase for CIRs with different winding radius values. Left panels: polarization light curves with phase; right panels: variations in the q-u plane. Top panels: viewing inclination of i = 30° and lower: i = 60°. Different curves are for different winding radii, with values r0/R = 1 (black), 3 (red), 9 (green), and 27 (blue).

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