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Table 1.
Three different regimes of solar wind used in this study, observed during the first perihelion by Helios1.
| Start |
End |
R | Vsw | np | Tp | T⊥/T∥ | B | VA | RA | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Interval | Day | UT | Day | UT | au | km s−1 | cm−3 | 103 K | nT | km s−1 | ||
| Alfvénic slow | 67 | 15:14 | 68 | 14:09 | 0.34 | 331.6 | 61.3 | 72.6 | 0.87 | 26.9 | 75.8 | 0.56 |
| Fast | 72 | 16:00 | 75 | 02:00 | 0.31 | 609.1 | 28 | 558.1 | 3.42 | 40.4 | 168.2 | 0.97 |
| Non-Alfvénic slow | 77 | 21:50 | 78 | 16:39 | 0.32 | 405.5 | 102.5 | 65.7 | 0.91 | 38.5 | 94.6 | 0.38 |
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