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Table 1
Log-normal fit parameters for the Schwabe data and various subsets of them.
| Data | Umbrae | ⟨ A ⟩ | σ A |
|
| [MSH] | [MSH] | [MSH-1] | ||
|
|
||||
| All data (1825−1867) | 104 217 | 1.05 | 3.8 | 3.8 |
| 1825−1830 | 7233 | 0.58 | 9.9 | 1.7 |
| 1831−1867 | 96 984 | 1.10 | 3.5 | 4.2 |
|
|
||||
| Cycle 7 | 9448 | 1.09 | 5.3 | 1.3 |
| Cycle 8 | 22 382 | 1.08 | 3.8 | 4.0 |
| Cycle 9 | 36 862 | 1.08 | 3.0 | 5.3 |
| Cycle 10 | 35 181 | 1.10 | 3.4 | 4.9 |
|
|
||||
| Ascending phases | 13 613 | 1.09 | 3.5 | 3.7 |
| Descending phases | 46 763 | 1.10 | 3.1 | 4.7 |
| Cycle minima | 3 507 | 1.08 | 3.4 | 1.4 |
| Cycle maxima | 31131 | 1.10 | 3.6 | 7.6 |
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