Fig. 4

image

Polarization map based on the sample of nearby stars (d < 50 pc), plotted in Equatorial coordinates. Two different polarization scales are used for clarity, as indicated in the bottom of the panel. For low observed degrees of polarization, p < 2σ (no detection), only a cross with bar lengths, σ, is plotted. The dotted line shows the Galactic equator.

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