Radial profiles of continuum intensity (Ic, b), magnetic field inclination (γ, c), total magnetic field strength (Btot, d), vertical magnetic field strength (Bver, e), and horizontal magnetic field strength (Bhor, f). The continuum intensity map of the observed sunspot with contours marking relative radial positions from 0.1 to 1 is shown in panel a. The solid vertical lines mark the UP boundaries, the dashed vertical lines mark the boundary between penumbra and quiet Sun. The horizontal lines in panels b and e mark the and 1876 G, respectively.
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