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Table 2
Rotation parameters for three-cycle intervals in units of deg/day.
| Northern hemisphere | ||||||
| First appearance of spots | All spots | |||||
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| cycle | Ω0 | B | Ω17 | Ω0 | B | Ω17 |
| 12–14 | 14.221 ± 0.023 | 4.014 ± 0.301 | 13.877 ± 0.007 | 14.206 ± 0.015 | 4.248 ± 0.237 | 13.846 ± 0.005 |
| 15–17 | 14.381 ± 0.022 | 3.583 ± 0.297 | 14.078 ± 0.004 | 14.380 ± 0.019 | 3.516 ± 0.274 | 14.081 ± 0.004 |
| 18–20 | 14.414 ± 0.015 | 3.516 ± 0.182 | 14.114 ± 0.001 | 14.426 ± 0.014 | 3.596 ± 0.168 | 14.117 ± 0.001 |
| 21–23 | 14.579 ± 0.021 | 1.488 ± 0.260 | 14.452 ± 0.003 | 14.566 ± 0.019 | 1.322 ± 0.252 | 14.453 ± 0.003 |
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| Southern hemisphere | ||||||
| First appearance of spots | All spots | |||||
|
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| cycle | Ω0 | B | Ω17 | Ω0 | B | Ω17 |
| 12–14 | 14.372 ± 0.017 | 1.035 ± 0.240 | 14.284 ± 0.004 | 14.344 ± 0.020 | 0.604 ± 0.281 | 14.292 ± 0.004 |
| 15–17 | 14.585 ± 0.020 | 3.168 ± 0.268 | 14.315 ± 0.003 | 14.571 ± 0.018 | 3.041 ± 0.243 | 14.311 ± 0.002 |
| 18–20 | 14.513 ± 0.018 | 4.058 ± 0.252 | 14.168 ± 0.005 | 14.527 ± 0.009 | 4.517 ± 0.110 | 14.141 ± 0.001 |
| 21–23 | 14.352 ± 0.007 | 3.068 ± 0.084 | 14.089 ± 0.001 | 14.337 ± 0.011 | 2.936 ± 0.135 | 14.087 ± 0.001 |
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