Table 1.
ICME properties at Solar Orbiter wind, and BepiColombo, for 2020 April 19–21.
| Unit | Solar Orbiter | Wind | BepiColombo | |
|---|---|---|---|---|
| t1 | UT | Apr. 19 05:06 | Apr. 20 01:34 | Apr. 20 03:09 |
| t2 | UT | Apr. 19 08:59 | Apr. 20 07:56 | Apr. 20 08:05 |
| t3 | UT | Apr. 20 09:15 | Apr. 21 11:18 | Apr. 21 10:08 |
| t4 | UT | Apr. 19 13:56 | Apr. 20 11:28 | Apr. 20 14:03 |
| t5 | UT | Apr. 20 04:36 | Apr. 21 02:10 | Apr. 21 03:18 |
| ΔICME | h | 28.15 | 33.73 | 30.98 |
| Δsheath | h | 3.88 | 6.37 | 4.93 |
| ΔMO | h | 24.27 | 27.37 | 26.05 |
| ΔUMFR | h | 14.67 | 14.70 | 13.25 |
| BICME | nT | 17.2 | 12.3 | 12.7 |
| Bsheath | nT | 9.9 | 6.8 | 7.2 |
| BMO | nT | 18.4 | 13.6 | 13.7 |
| BUMFR | nT | 19.2 | 14.9 | 14.6 |
| R1 | AU | 0.809 | 0.996 | 1.011 |
| R2 | AU | 0.808 | 0.996 | 1.011 |
| R3 | AU | 0.802 | 0.996 | 1.011 |
| lon1 | deg | −4.02 | 0.19 | −1.25 |
| lon2 | deg | −3.98 | 0.18 | −1.27 |
| lon3 | deg | −3.70 | 0.18 | −1.41 |
| lat1 | deg | −3.94 | −5.15 | −5.53 |
| lat2 | deg | −3.92 | −5.13 | −5.52 |
| lat3 | deg | −3.80 | −5.03 | −5.47 |
Notes. ICME times t are given, where the subscripts stand for (1) shock arrival time, (2) flux rope start time, (3) flux rope end time, (4) unperturbed magnetic flux rope (UMFR) start, (5) UMFR rope end. Also shown are the duration Δ for the full ICME, the sheath, the magnetic obstacle (MO) and the UMFR, and the mean total magnetic field in those 4 intervals. The spacecraft heliocentric distance R is given at 3 different times, corresponding to the subscripts 1–3 above, as well as the HEEQ longitude lon and HEEQ latitude lat.
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