Measured position angle, ψ, in degrees; polarization; and visual brightness for V CVn from the AAVSO database, where the red squares are data from Poliakova (1981), black triangles are from Magalhães et al. (1986b) and the blue circles represent the HPOL data. Differences between this plot and Fig. 1 are because of the additional time span from MJD = 3.9 × 104 − 4.4 × 104 considered. The corresponding V-band light curve is included for comparison.
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