Table 1:
Comparison of common properties of the six statistical effects (GO1, GO2, W1, W2, AP1, and AP2) with respect to group sunspot number, wolf number, and total sunspot area. Cycles span the time interval 1823–1996 (cycles 7–22).
Effect
𝑋
𝑌
Coefficient of correlation between
𝑋
and
𝑌
Group sunspot number
Wolf number
Total sunspot area
GO1
Amplitude (
2
𝑁
)
Amplitude (
2
𝑁
+
1
)
0.69 (0.92)
0.77 (0.97)
0.77 (0.98)
GO2
Intensity (
2
𝑁
)
Intensity (
2
𝑁
+
1
)
0.93 (0.9925)
0.93 (>0.9999)
0.91 (0.9965)
W1
Amplitude (
𝑁
)
Rise time (
𝑁
)
−0.49 (0.94)
−0.78 (0.9996)
−0.43 (0.89)
W2
Amplitude (
𝑁
)
Rise rate (
𝑁
)
0.86 (0.9999)
0.87 (>0.9999)
0.85 (>0.9999)
AP1
Amplitude (
𝑁
)
Length (
𝑁
)
−0.53 (0.96)
−0.42 (0.89)
−0.28 (0.73)
AP2
Amplitude (
𝑁
)
Length (
𝑁
−
1
)
−0.36 (0.81)
−0.48 (0.93)
−0.43 (0.89)