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Table 3
Properties derived from the fit to the GJ 3470 stellar lines.
| Parameter | Visit 1 | Visit 2 | Visit 3 | Unit | ||
|---|---|---|---|---|---|---|
| Stellar lines | Radial velocity | γSi III+N V | 19.2 ± 3.4 | 20.4 ± 2.6 | 23.5 ± 2.7 | km s−1 |
| γLy-α | 21.8 ± 1.7 | 22.4 ± 1.6 | 25.0 ± 1.8 | km s−1 | ||
| Total flux | FSi III(1 au) | 20.2 ± 4.1 |  |
15.2 ± 3.5 | 10−3 erg cm−2 s−1 | |
 (1 au) |
18.0 ± 2.4 |  |
13.6 ± 2.1 | 10−3 erg cm−2 s−1 | ||
 (1 au) |
8.3 ± 1.7 | 10.7 ± 1.8 |  |
10−3 erg cm−2 s−1 | ||
| FLy-α(1 au) |  |
 |
 |
erg cm−2 s−1 | ||
| Temperature | TSi III |  |
 |
 |
105 K | |
| TN V |  |
 |
2.3 ± 1.6 | 105 K | ||
| TLy-α |  |
3.1 ± 0.4 |  |
105 K | ||
| ISM | Radial velocity | γISM∕⊙ |  |
km s−1 | ||
| Column density | log10 NISM(H I) | 18.07 ± 0.09 | cm−2 | |||
| Doppler broadening | bISM(H I) |  |
km s−1 | |||
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