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Table 2

Weighted averages of geometric properties.

Parameters Slow SW Intermediate SW Fast SW IBEX

Center longitude (°) 213.5 ± 0.2 213.0 ± 0.3 213.1 ± 0.3 219.2 ± 1.3
Center latitude (°) 43.5 ± 0.2 43.6 ± 0.3 43.5 ± 0.3 39.9 ± 2.3
Radius (°) 80.6 ± 0.5 80.3 ± 0.6 79.8 ± 0.6 74.5 ± 2.0
Eccentricity 0.22 ± 0.02 0.24 ± 0.02 0.25 ± 0.03 0.31 ± 0.08
Rotation angle (°) 130 ± 3 121 ± 1 117 ± 3 95 ± 15

Notes. The IBEX data are from Funsten et al. (2013). All results in this table are weighted over energy and circle/ellipse fits.

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