Open Access
Table 1
Parameters of the simulations.
| Parameter | value | |
|---|---|---|
| Heliocentric distance | R | 2.25 AU |
| IMF magnitude | |B| | 3.4 nT |
| SW speed | |υsw| | 430 km s−1 |
| SW proton density | npsw | 2.9 cm−3 |
| SW proton temperature | Tpsw | 6.11 × 104K |
| SW alpha particle density | nαsw | 0.12 cm−3 |
| SW alpha particle temperature | Tαsw | 2.14 × 105K |
| Comet ion species | H2O+ | |
| Neutral gas production rate | Qn | 2.3 × 1027 s−1 |
| Ionisation frequency | vi | 6 × 10−7 s−1 |
| Neutral radial velocity | ur | 0.7 km s−1 |
| Grid cell size | ∆x | 50km |
| Time step | ∆t | 4 × 10−4 s |
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