\begin{table}%t1 \caption{\label{atomicdata}Selection of permitted \ion{N}{i}~lines in the visual and near IR~spectral range.} \small%\centerline { \begin{tabular}{rcclrr} \hline\hline $\lambda$ (nm) & $E_{\rm low}$ (eV) &\loggf & $Q$ & $n_{\rm low}$ & $n_{\rm up}$ \\ \hline 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\\ \hline \end{tabular}} \medskip 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.~\ref{dep}). \end{table}