Table 1.
Properties of the spectral windows considered in this study.
| Label | Atom | Line [Å] |
 |
G | λi [mÅ] | ⟨z⟩ [Mm] | ⟨B∥⟩ [G] | ⟨B∥⟩ [G] (2D) |
|---|---|---|---|---|---|---|---|---|
| a) | Na I | 5895.824 | 1.33 | 1.33 | [ − 360, −300, −240, 240, 300, 360] | 157 ± 18 | 398 ± 206 | 719 ± 88 |
| b) | Na I | 5895.824 | 1.33 | 1.33 | [ − 120, 60, 60, 120] | 474 ± 40 | 546 ± 161 | 692 ± 94 |
| c) | Mg I | 5172.684 | 1.75 | 2.87 | [ − 40, 0, 40] | 760 ± 45 | 502 ± 118 | 558 ± 103 |
| d) | Ca II | 8542.091 | 1.10 | 1.21 | [ − 110, −55, 0, 55, 110] | 1168 ± 122 | 417 ± 69 | 444 ± 83 |
Notes. ⟨z⟩ and ⟨B∥⟩ are spatial averages that have been computed from the slit marked in Fig. 16. We have also indicated the standard deviation of the spatial variations. ⟨B∥⟩ corresponds to the mean of B∥ within each window computed over the bottom right plage patch, excluding field free gaps (yellow contours). The effective Landé factor 
scales the amplitude of V and G scales the amplitude of Q and U. λi indicates the line positions relative to line center that have been used to apply the WFA.
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