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Table 4.
α-effect from the tachocline, through the convection zone, with a meridional circulation, Rm = 500 (50 for starred ( * ) case), for solar and anti-solar DR.
| Cα | r1–r2 | ⊙ | Anti-⊙ |
|---|---|---|---|
| 15 | 0.95–1 | × | × |
| 15 | 0.9–1 | × | × |
| 15 | 0.8–1 | 21.1 | × |
| 15 | 0.7–1 | 24.0 | × |
| 15 | 0.8–0.9 | 23.4 | × |
| −15 | 0.67–0.73 | × | × |
| −15 ( * ) | 0.67–0.73 | 24.4 | 121.8 (31.3) |
Notes. Magnetic cycle periods are expressed in years, considering a diffusive time tη = 1550 years. The period presented are extracted from surface magnetic dynamics.
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