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Fig. 12


a) Light curve of the unabsorbed X-ray luminosity in the 0.610 keV band; b) light curve of monochromatic luminosities in the B-band (blue circles), R-band (red triangles), and I-band (brown squares) for the 84 cm and 1.5 m SPM telescopes; the R-band and I-band luminosities are normalized to the weighted mean of the B-band with relative factors of 0.72 and 0.32, respectively; c) and d) degree of optical polarization popt (black squares) and electric vector position angle (PAopt, blue triangles) for the B/R-filters. The I-filter did not provide polarimetry data. The central wavelength of the B/R/I filters are given as 0.438 / 0.641 / 0.798 μm by Bessell et al. (1998).

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