Table 1
Parameters for the different functions used to model the solar wind speed distribution. For the Lognormal function, tabulated values can not be used directly as average and standard deviation. The transformation from the fitting parameters to values used in the model can be done by equation (B.4).
| CME group |  (km/s) |
σw (km/s) | Args | RSS | |
|---|---|---|---|---|---|
| Accelerated | Normal | 503.356 | 55.848 | – | 0.000538 |
| Student’s-t | 503.356 | 55.848 | 1.526 × 106 | 0.000538 | |
| Lognormal | −0.407 | 3.910 | 349.009 | 0.001469 | |
| Decelerated | Normal | 409.168 | 117.545 | – | 0.00046 |
| Student’s-t | 409.168 | 117.543 | 1.479 × 105 | 0.00046 | |
| Lognormal | 9.524 | 0.009 | −1.328 × 104 | 0.000458 | |
| Slow | Normal | 370.530 | 88.585 | – | 0.000714 |
| Student’s-t | 383.169 | 64.944 | 4.101 | 0.000622 | |
| Lognormal | 9.784 | 0.005 | −1.738 × 104 | 0.00072 | |
| Fast | Normal | 579.058 | 67.871 | – | 0.002862 |
| Student’s-t | 579.058 | 67.872 | 1.837 × 106 | 0.002862 | |
| Lognormal | 4.084 | 0.883 | 494.597 | 0.001934 |
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