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Table 5 CIY4 weighted residual statistics

From: A comprehensive model of Earth’s magnetic field determined from 4 years of Swarm satellite observations

Origin Type Sun Comp QD latitude
Low Mid High
K \(\mu _w\) \(r_w\) K \(\mu _w\) \(r_w\) K \(\mu _w\) \(r_w\)
Alpha Field Dark B 262,005 − 0.664 1.834 1,176,307 0.034 1.506    
P 262,005 0.193 1.914 1,176,307 − 0.025 2.511    
3 262,005 0.038 1.889 1,176,307 0.094 2.445    
F 262,005 − 0.645 1.825 1,176,307 0.045 1.497 710,017 − 0.075 5.553
NS differences Dark N 130,908 0.002 0.201 587,671 0.003 0.313    
E 130,908 0.001 0.334 587,671 0.000 0.360    
C 130,908 − 0.011 0.335 587,671 0.001 0.257    
F 130,865 0.007 0.163 587,645 − 0.010 0.179 354,475 − 0.023 0.937
Light N 165,351 − 0.004 0.760 807,365 − 0.006 0.555    
E 165,351 0.002 0.807 807,365 − 0.001 0.839    
C 165,351 − 0.007 0.917 807,365 0.004 0.520    
F 165,349 − 0.002 0.651 807,240 0.010 0.318 683,385 − 0.037 1.095
NS sums Dark N 130,908 − 1.175 3.165 587,671 − 0.714 3.770    
E 130,908 0.270 3.194 587,671 0.018 4.069    
C 130,908 0.016 3.110 587,671 0.105 2.936    
F 130,865 − 1.016 3.035 587,645 − 0.010 2.520 354,475 − 0.101 8.919
Light N 165,351 2.154 7.117 807,365 − 0.664 6.885    
E 165,351 − 0.232 12.185 807,365 0.162 9.156    
C 165,351 0.330 7.337 807,365 − 0.005 5.360    
F 165,349 2.113 6.798 807,240 − 0.647 5.039 683,385 − 3.831 12.903
Bravo Field Dark B 259,916 − 0.792 3.013 1,169,539 0.071 2.227    
P 259,916 0.262 2.425 1,169,539 0.086 2.893    
3 259,916 − 0.131 1.999 1,169,539 0.067 3.231    
F 259,916 − 0.819 3.024 1,169,539 0.081 2.224 715,893 0.086 5.437
NS differences Dark N 129,850 0.005 0.195 584,275 0.006 0.316    
E 129,850 − 0.002 0.325 584,275 − 0.002 0.364    
C 129,850 − 0.002 0.330 584,275 0.001 0.256    
F 129,820 0.011 0.164 584,270 − 0.009 0.196 357,613 − 0.023 0.850
Light N 163,615 − 0.002 0.671 795,240 − 0.000 0.540    
E 163,615 0.004 0.741 795,240 − 0.002 0.822    
C 163,615 0.005 0.838 795,240 0.001 0.502    
F 163,592 − 0.001 0.565 795,286 0.009 0.303 673,198 − 0.035 0.992
NS sums Dark N 129,850 − 1.211 5.068 584,275 − 0.792 5.476    
E 129,850 0.366 3.972 584,275 0.232 4.702    
C 129,850 − 0.220 3.104 584,275 0.016 3.406    
F 129,820 − 1.173 4.931 584,270 0.162 3.650 357,613 0.122 8.862
Light N 163,615 2.341 8.171 795,,240 − 0.241 7.909    
E 163,615 − 0.506 12.955 795,,240 − 0.253 9.850    
C 163,615 0.093 7.026 795,,240 − 0.121 5.684    
F 163,592 2.199 7.662 795,286 − 0.654 5.681 673,198 − 3.838 12.618
  1. The \(\mu _w\) and \(r_w\) are in units of nT