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Table 1

Latitude parameters (F, H, and L latitudes) as well as wing strength I, listed separately for the two hemispheres (denoted N and S) and the whole Sun.

Cycle F(N) F(S) F(combined) H(N) H(S) H(combined) L(N) L(S) L(combined) I(N) I(S)

7 N/A N/A N/A 40.0 ± 1.8 –37.9 ± 1.1 39.1 ± 1.1 5.50 ± 2.0 –3.14 ± 1.3 4.49 ± 1.3 N/A N/A
8 26.9 ± 3.0 –25.2 ± 2.8 26.0 ± 1.9 47.8 ± 0.7 –43.4 ± 1.4 46.7 ± 0.6 5.42 ± 0.9 –5.94 ± 1.3 6.08 ± 0.9 236 200
9 22.2 ± 1.8 –21.6 ± 2.1 23.3 ± 1.2 41.2 ± 1.8 –34.4 ± 1.1 38.6 ± 1.3 4.23 ± 0.9 –4.31 ± 1.3 4.35 ± 0.8 272 219
10 26.4 ± 2.2 –25.8 ± 1.8 25.8 ± 1.5 35.4 ± 0.8 –39.2 ± 0.5 38.0 ± 0.4 5.04 ± 0.9 –6.12 ± 1.2 5.84 ± 0.8 216 231
11 26.0 ± 2.3 –25.4 ± 1.5 25.7 ± 1.3 37.4 ± 0.3 –36.3 ± 0.4 36.8 ± 0.2 7.50 ± 1.5 –6.56 ± 1.4 6.28 ± 0.9 N/A N/A
12 21.1 ± 3.0 –21.2 ± 1.3 21.6 ± 1.5 31.0 ± 0.7 –31.2 ± 0.6 31.0 ± 0.4 6.94 ± 0.8 –6.73 ± 1.0 5.96 ± 0.6 157 (196) 203 (253)
13 24.2 ± 0.9 –27.1 ± 1.5 25.8 ± 0.9 32.5 ± 0.9 –35.4 ± 0.8 34.3 ± 0.6 6.62 ± 1.0 –5.69 ± 0.7 6.41 ± 0.6 232 (255) 275 (302)
14 27.5 ± 1.6 –23.8 ± 1.7 26.5 ± 1.2 35.0 ± 1.1 –32.1 ± 0.4 33.6 ± 0.7 4.21 ± 1.4 –2.00 ± 0.5 2.78 ± 0.7 200 207
15 24.3 ± 1.6 –23.7 ± 1.7 24.0 ± 1.1 39.9 ± 1.5 –38.8 ± 1.7 39.3 ± 1.1 6.22 ± 0.7 –5.72 ± 0.7 6.06 ± 0.4 288 250
16 27.9 ± 1.3 –25.9 ± 1.6 26.5 ± 1.0 36.1 ± 0.8 –34.4 ± 0.6 35.4 ± 0.5 5.17 ± 0.9 –4.63 ± 1.2 5.66 ± 0.8 262 229
17 26.5 ± 1.5 –28.3 ± 0.8 28.0 ± 0.8 38.2 ± 0.8 –35.9 ± 0.5 37.0 ± 0.5 7.96 ± 1.1 –5.94 ± 0.6 6.42 ± 0.5 318 321
18 24.7 ± 1.4 –26.8 ± 1.1 26.5 ± 0.9 36.9 ± 0.9 –39.2 ± 0.5 38.5 ± 0.5 8.72 ± 1.0 –6.02 ± 0.8 7.37 ± 0.7 359 362
19 28.5 ± 1.0 –27.1 ± 1.3 27.7 ± 0.8 44.0 ± 0.5 –41.0 ± 0.6 42.9 ± 0.4 6.05 ± 0.6 –7.12 ± 0.9 6.54 ± 0.5 504 367
20 27.2 ± 1.3 –25.0 ± 1.3 26.7 ± 0.8 38.7 ± 0.5 –38.4 ± 0.9 38.8 ± 0.5 4.58 ± 0.7 –6.35 ± 0.9 5.24 ± 0.6 405 326
21 23.7 ± 1.6 –27.7 ± 1.4 25.8 ± 1.1 40.0 ± 0.5 –39.9 ± 1.2 41.0 ± 0.7 4.42 ± 0.6 –6.42 ± 0.9 5.26 ± 0.5 287 295
22 25.2 ± 1.7 –26.6 ± 1.1 26.0 ± 1.0 42.0 ± 1.7 –40.3 ± 0.8 41.0 ± 0.8 5.64 ± 0.8 –8.41 ± 1.2 6.71 ± 0.8 245 287
23 28.4 ± 1.7 –27.1 ± 1.4 27.6 ± 1.0 40.0 ± 0.8 –41.2 ± 0.9 40.6 ± 0.6 7.07 ± 1.1 –8.19 ± 0.7 8.0 ± 0.6 214 242
24 27.6 ± 2.1 –25.9 ± 2.0 26.5 ± 1.3 37.2 ± 1.4 –33.8 ± 0.7 34.9 ± 0.7 N/A N/A N/A N/A N/A

Notes. The values of I in parentheses are corrected for the possible inhomogeneity in the RGO dataset.

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