\begin{table}%t2 \caption{\label{tab2}New positions of CH$^{+}$ molecular features compared to those of Herbig (\cite{Herbig1968}) and Carrington \& Ramsay (\cite{Carrington1982}).} \small%\centering \par \begin{tabular}{rrrrrrr} \hline\hline HD & Obs& 4232 & 3957 & 3745 & 3579 & 3447 \\ & & [\AA] & [\AA] & [\AA] & [\AA] & [\AA] \\ \hline 76~341 & $u$ & 4232.548 & 3957.688 & 3745.310 & 3579.029 & 3447.074 \\ 106~068 & $u$ & 4232.548 & 3957.682 & 3745.308 & 3579.017 & 3447.078 \\ 147~889 & $h$ & 4232.548 & 3957.688 & & & \\ & $u$ & 4232.548 & 3957.687 & & & \\ 163~800 & $h$ & 4232.548 & 3957.691 & & & \\ & $u$ & 4232.548 & 3957.691 & 3745.305 & 3579.026 & 3447.079 \\ 179~406 & $h$ & 4232.548 & 3957.691 & & & \\ & $u$ & 4232.548 & 3957.693 & & & \\ % & & & & & & & \\ This work position & & 4232.548 & 3957.689 & 3745.308 & 3579.024 & 3447.077 \\ Error & & & 0.003 & 0.002 & 0.006 & 0.003 \\ \hline Herbig (\cite{Herbig1968})& & 4232.539& 3957.700& 3745.310& 3579.020& 3447.070\\ Carrington \& Ramsay (\cite{Carrington1982})& & 4232.548& 3957.692 & & & \\ \hline \end{tabular} \end{table}