Table 9

Evidence of intrinsic polarization in the star HD 101805 from a peculiar wavelength dependence.

Filter q u p ± ep J.D.
B 306 72 314 ± 18 6.6 ± 1.7 7799.1965
V 175 70 188 ± 19 10.8 ± 2.9 7799.1965
R 164 52 172 ± 19 8.8 ± 3.2 7799.1965

Notes. The polarization increases from the red towards the blue. The normalized Stokes parameters, q and u, and the degree of polarization, p, are given in units of 10−6 (ppm), and the position angle θ in the Equatorial frame of reference.

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