Table 2.
In situ measurements of the sheath, frontal region, and MC at Solar Orbiter and Earth, as well as properties deduced for the ICME.
| Solar Orbiter | OMNI | |
|---|---|---|
| Distance [AU] | 0.85 ± 0.01 | 0.98 ± 0.01 |
| Shock arrival [DOY] | 307.60 ± 0.025 | 307.90 ± 0.025 |
| Frontal region start [DOY] | 308.00 ± 0.025 | 308.30 ± 0.025 |
| Magnetic cloud start [DOY] | 308.30 ± 0.025 | 308.55 ± 0.025 |
| Magnetic cloud end [DOY] | 308.85 ± 0.025 | 309.15 ± 0.025 |
| Sheath | ||
| Size [AU] | 0.15 ± 0.01 | 0.16 ± 0.01 |
| Bavg [nT] | 25 ± 1 | 17 ± 1 |
| vavg [km s−1] | 670 ± 10 | 700 ± 10 |
| Frontal region | ||
| Size [AU] | 0.13 ± 0.01 | 0.10 ± 0.01 |
| Bavg [nT] | 19 ± 1 | 20 ± 1 |
| vavg [km s−1] | 730 ± 10 | 710 ± 10 |
| Magnetic cloud | ||
| vlead [km s−1] | 680 ± 10 | 680 ± 10 |
| vtrail [km s−1] | 570 ± 10 | 570 ± 10 |
| Size [AU] | 0.20 ± 0.01 | 0.22 ± 0.01 |
| Bavg [nT] | 18 ± 1 | 14 ± 1 |
| vavg [km s−1] | 625 ± 7 | 625 ± 7 |
| vexp [km s−1] | 55 ± 7 | 55 ± 7 |
| ICME properties | ||
| na | 1.1 ± 0.6 | 1.1 ± 0.6 |
| nB | 1.8 ± 0.7 | 1.8 ± 0.7 |
| B [10−5 nT] | 1.8 ± 0.1 | 1.4 ± 0.1 |
| a [1012 cm] | 1.5 ± 0.1 | 1.6 ± 0.1 |
| Flux rope length [1012 cm] | 7 ± 2 | 8 ± 3 |
| Poloidal flux [1021 Mx] | 0.75 ± 0.26 | 0.74 ± 0.25 |
| Axial flux [1021 Mx] | 0.56 ± 0.08 | 0.51 ± 0.08 |
| Helicity [1040 Mx2] | 24 ± 17 | 28 ± 16 |
| Geometrical sense | Left-handed | Left-handed |
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