Table 1
Resulting fit coefficients from the fitting of the lognormal function (4) to the shape of the solar-wind parameters’ frequency distributions from near 1 au OMNI hourly data.
| Parameter | Median | Mean | Balance | SAR | |
|---|---|---|---|---|---|
| xmed | xavg | c | [%] | ||
| Magnetic field [nT] | 5.661(16) | 6.164(18) | – | 6.83 | |
| Velocity [102 km s−1] | 4.085(19) | 4.183(20) | – | 18.69 | |
| Density [cm−3] | 5.276(24) | 6.484(34) | – | 6.48 | |
| Temperature [104 K] | 7.470(17) | 11.301(32) | – | 5.78 | |
| Velocity | W1 | 4.89(14) | 5.00(14) | 0.504(62) | – |
| [102 km s−1] | W2 | 3.68(20) | 3.72(20) | – | |
| WII | 4.16(14)a | 4.42(14)a | – | 4.20 | |
Notes. For the velocity, the fit parameters of the double lognormal function (5) are also listed, as well as the median and mean values of the resulting velocity fit. The numbers in parentheses are the errors on the corresponding last digits of thequoted value. They are calculated from the estimated standard deviations of the fit parameters. For each parameter, the sum of absolute residuals between data and fit (in percentage of the distribution area) is also listed.
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