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Table 1
Observed data for the plasma parameters in the Titan ionosphere (Whang et al. 2003; Richardson & Smith 2003; Richardson et al. 2004; Garnier et al. 2009).
| Plasma parameters | At altitudes (1600–1700 km) |
|---|---|
| HCNH+, density, n10 (cm−3) | 0.8–8 |
, density n20 (cm−3) |
1–10 |
, density n30 (cm−3) |
0.5–9 |
| Solar wind protons density, nsp0 (cm−3) | 0.2–10 |
| Solar wind electrons density, nse0 (cm−3) | 0.2–10 |
| Solar wind protons’ velocity, usp0 (cm/s) | (300–600) × 105 |
| Ionospheric ions temperatures T1,2,3 (K) | 15–1100 |
| Ionospheric electron temperature Te (K) | 150–11 000 |
| Solar wind protons temperature Tsp (K) | (1–6) × 104 |
| Solar wind electrons temperature Tse (K) | (1–6) × 104 |
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![$\[\mathrm{C}_{2} \mathrm{H}_{5}^{+}\]$](/articles/aa/full_html/2025/09/aa54191-25/aa54191-25-eq33.png)
![$\[\mathrm{CH}_{5}^{+}\]$](/articles/aa/full_html/2025/09/aa54191-25/aa54191-25-eq34.png)