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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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