Fig. 2

Total intensity contours and polarization vectors at 1665 (top), 4585 (middle), and 8415 MHz (bottom). The angular resolution is 2.5″ × 2.5″. Contour levels start at 3σI, and increase by factors of two. The lines give the orientation of the electric vector position angle (E-field) and are proportional in length to the fractional polarization (1″ ~ 5%).
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