Table 4.
EC model fit parameters in RTN coordinates.
| s/c | Longitude | Tilt | Rotation | Ellipse ratio | Cross-section Radius | Distance | χ2 | Chirality |
|---|---|---|---|---|---|---|---|---|
| ϕ (deg) | θ (deg) | ξ (deg) | δ (–) | R (au) | Y0 (au) | |||
| (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) | (9) |
| MESSENGER MC | 295 | 25 | 73 | 0.44 | 0.052 | −0.019 | 0.15 | Positive |
| STEREO-B MC | 58 | −13 | 134 | 0.68 | 0.137 | 0.109 | 0.29 | Negative |
| STEREO-A MC | 325 | −46 | 79 | 0.67 | 0.160 | −0.086 | 0.22 | Positive |
Notes. Column 1: spacecraft. Column 2: MFR axis longitude (ϕ = [0...360]°). Column 3: inclination of the flux rope with respect to the equatorial plane (θ = [−90...+90]°). Column 4: MFR rotation about its central axis (ξ = [0...180]°). Column 5: MFR distortion (ratio between major and minor ellipse axis, δ = [0...1]). Column 6: MFR size. Column 7: distance from the spacecraft trajectory to the MFR axis (negative value means that the spacecraft is crossing the upper part of the structure). Column 8: goodness of the fitting (χ2 = [0...1]). Column 9: MFR handedness.
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