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Fig. B.1


Variation of the original (blue color) and reconstructed (black color) Stokes I/IQS and V/IQS profiles corresponding to Ca I 1083.34 nm, Na I 1083.48 nm, and Ca I  1083.80 nm as we move from the inner penumbral boundary (first column) to the center of the umbra (last column). The pixels correspond to those shown in Fig. 3. The dotted profile in the first panel corresponds to a quiet Sun profile (multiplied by ×0.5 to fit within the Y-axis range). The horizontal dotted lines are drawn for reference.

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