Table 1. Number N of data points, mean of residuals, and rms misfit in nT for our parent model centered on epoch 2005.0. B r , B θ and B ϕ are the three components of the magnetic field in a geocentric reference frame, with r the radius, θ the co-latitude and ϕ the longitude.
From: IGRF candidate models at times of rapid changes in core field acceleration
N | rms | Mean | |
|---|---|---|---|
F all | 26785 | 5.3 | −0.4 |
F lat < |50°| | 13087 | 4.1 | 0.1 |
F lat > |50°| | 13698 | 6.3 | −1.1 |
B r | 11098 | 4.4 | −0.3 |
B θ | 11098 | 5.3 | −0.6 |
B ϕ | 11098 | 3.6 | 0.2 |