Open Access
Table 1
Main input parameters used in the AIKEF model.
| Parameter | Scenario | ||||
|---|---|---|---|---|---|
| S1 | S2 | S3 | MSB2 | MSB3 | |
| Upstream IMF direction (MSO) upstream IMF magnitude | 25 nT | (0, 0, –1) 25 nT | 25 nT | (–0.79, 0.59, 0.06) 24 nT | (–0.85, 0.42, –0.32) 47 nT |
| Planetary magnetic field moments (multipole) | –190 nT, –75 nT, –22 nT | ||||
| Solar wind (H+) number density | 100 cm−3 | 60 cm−3 | 40 cm−3 | 35 cm−3 | 150 cm−3 |
| Solar wind (upstream) bulk velocity | 250 km/s | 400 km/s | 550 km/s | 450 km/s | 330 km/s |
| Solar wind ion temperature | 1.1e5 K | 2.0e5 K | 3.5e5 K | 2.6e5 K | 1.3e5 K |
| Solar wind electron temperature | 2.8e5 K | 2.3e5 K | 2.2e5 K | 2.26e5 K | 2.7e5 K |
| Ion inertial length (solar wind) di,sw | 23 km | 29 km | 36 km | 38 km | 19 km |
| Physical mesh grid resolution (24 km) | 1.05 di,sw | 0.81 di,sw | 0.66 di,sw | 0.62 di,sw | 1.28 di,sw |
| Solar wind ram pressure (Pram = 2 Pdyn) | 10.5 nPa | 16.1 nPa | 20.2 nPa | 11.9 nPa | 27.4 nPa |
| Alfvén Mach number MA | 4.6 | 5.7 | 6.6 | 5.0 | 3.9 |
| Phase space resolution oMPIC | 3 and 15 | 3 and 15 | 3 and 15 | 50 | 50 |
Notes. The IMF condition is derived from MGF (Baumjohann et al. 2020) measurement data during MSB2 and MSB3, the planetary magnetic field model is taken from Anderson et al. (2012), and the solar wind scenarios are derived from statistical models by Dakeyo et al. (2022).
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