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Table 1:

Selection of permitted N I lines in the visual and near IR spectral range.
$\lambda $ (nm) $E_{\rm low}$ (eV) \ensuremath{\log~gf} Q $n_{\rm low}$ $n_{\rm up}$
744.229 10.330 -0.385 B+ 4 10
746.831 10.336 -0.190 B+ 4 10
821.634 10.336 +0.132 B+ 4 9
822.314 10.330 -0.271 B+ 4 9
868.340 10.330 +0.087 B+ 4 8
871.883 10.336 -0.336 B+ 4 8
1010.513 11.750 +0.219 B+ 8 17
1011.248 11.758 +0.607 B+ 8 17
1011.464 11.764 +0.768 B+ 8 17
1050.700 11.840 +0.094 B 9 20
1052.058 11.840 +0.010 B 9 20
1053.957 11.844 +0.503 B 9 20
Notes: error of $\log gf \le 0.03$ dex (Q = B+), ${\le}0.08$ dex (Q = B); $n_{\rm low}$ and $n_{\rm up}$ identify the level of the nitrogen model atom used for the NLTE computations (cf. Fig. 3).

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