Table 3
Main properties of the selected regions and their correlation degree of |P| with Stokes I (Col. 3), as derived by the Pearson’s coefficient (ρp) which assumes a linear relationship.
| Field | (l,b) coord. | |ρp| | |ρp| | |ρs| | Notes | |
| |P|–I | |P|–|∇P|/|P| | |||||
|
|
||||||
| Reg.1 | 240°,0° | 0.09 | 0.31 | 0.63 | ||
| Reg.2 | 269°, −50° | 0.35 | 0.20 | 0.69 | ||
| Reg.3 | 278°, −25° | 0.12 | 0.18 | 0.70 | ||
| Reg.4 | 278°, +25° | 0.12 | 0.29 | 0.61 | ||
| Reg.5 | 297°,0° | 0.46 | 0.15 | 0.48 | Faraday thin | |
| Reg.6 | 310°, +46° | 0.37 | 0.45 | 0.60 | ||
| Reg.7 | 327°,0° | 0.16 | 0.21 | 0.49 | Faraday thin | |
| Reg.8 | 350°, −28° | 0.06 | 0.18 | 0.11 | Faraday thin | |
| Reg.9 | 357°, −56° | 0.52 | 0.36 | 0.37 | Noise-dominated | |
| Reg.10 | 358°, +19° | 0.19 | 0.23 | 0.47 | Faraday thin | |
| Reg.11 | 19°, −14° | 0.09 | 0.17 | 0.26 | Faraday thin | |
| Noise | 74°, −76° | 0.23 | 0.18 | 0.17 | Noise-dominated | |
Notes. The degree of correlation between |P| and |∇P|/|P| is indicated in Cols. 4−5 by the Pearson and Spearman’s rank (ρs) coefficients. The noise test field and region 9 correspond to noise-dominated fields indicated in Fig. 9 by the black cross and X symbol, respectively. The Faraday thin regions used in Sect. 4.1 for the quantitative comparison with the MHD simulations are also shown.
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