Table 3 Mean and standard deviation of residuals to CHAOS-7 for GF1 and GF2 for geomagnetic quiet times and for a single quiet day, 30 January 2019
From: Observing Earth’s magnetic environment with the GRACE-FO mission
Parameter | Whole period | Single day | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean (nT) | Std (nT) | Mean (nT) | Std (nT) | |||||||||
x | y | z | x | y | z | x | y | z | x | y | z | |
GF1 | ||||||||||||
\({\Delta B_{\text{NEC}}}\) | 0.0 | 0.0 | 0.0 | 7.8 | 7.9 | 9.5 | − 0.2 | − 0.6 | − 0.6 | 4.3 | 5.2 | 2.9 |
\({\Delta B_{\text{RAW}}}\) | − 323.1 | − 551.5 | 78.3 | 95.7 | 323.1 | 131.8 | − 302.4 | − 561.5 | 85.1 | 97.3 | 321.5 | 130.5 |
GF2 | ||||||||||||
\({\Delta B_{\text{NEC}}}\) | 0.0 | 0.0 | 0.0 | 7.1 | 8.4 | 7.7 | 0.4 | − 2.0 | 1.2 | 3.9 | 8.0 | 3.6 |
\({\Delta B_{\text{RAW}}}\) | 1357.3 | 351.7 | − 145.9 | 285.6 | 204.5 | 116.5 | 1331.5 | 380.1 | − 173.1 | 295.3 | 206.8 | 116.6 |