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Table 3

Correlation coefficients between monthly SSN and monthly smooth magnetosonic Mach number, SWP beta, Alfven speed, energy densities at Earth’s bow-shock (magnetic, thermal, and kinetic), solar wind parameters (temperature, density, and velocity), ε, LCF, and strength of different current systems (EEJ, |Dst|, AE,) are given below. We used data for SCs 22, 23, and 24 to get these correlations.

Parameter Corr. coeff.
M −0.92
β −0.79
VA (m/s) 0.87
Um (J/m3) 0.82
Uth (J/m3) 0.47
Uke (J/m3) 0.27
Tp (°K) 0.39
N (/m3) 0.02
V2 (m2/s2) 0.10
ε (W) 0.85
LCF (RE km) −0.06
EEJ (nT) 0.97
 (nT) 0.67
AE (nT) 0.57

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