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Table 3
Electron densities estimated from different models at 20 R⊙ and at 215 R⊙ (1 AU).
| Authors | Spacecraft | Solar | MDLOS | Ne @ 20 R⊙ | Ne @ 215 R⊙ |
| activity | (el. cm-3) | (el. cm-3) | |||
|
|
|||||
| Leblanc et al. (1998) | Wind | Min | 1.3–215 | 847 | 7.2 |
| Bougeret et al. (1984) | Helios 1 and 2 | Min/Max | 65–215 | 890 | 6.14 |
| Issautier et al. (1998) | Ulysses | Min | 327–497 | 307* | 2.65 ± 0.5* |
| Muhleman et al. (1977) | Mariner 6 and 7 | Max. | 5–100 | 1231 ± 64 | 9 ± 3 |
| Bird et al. (1994) | Ulysses | Max | 5–42 | 1700 ± 100 | 4.7 ± 0.415 |
| Anderson et al. (1987) | Voyager 2 | Max | 10–88 | 6650 ± 850 | 38 ± 4 |
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