\begin{table}%T4
%\centering
\small
\caption{\label{istab}Wavelengths and isotope shifts for select transitions of \ion{Sm}{ii}.}
\begin{tabular}{r r l l c c c c}
\hline\hline 
$\lambda_{\rm air}$ (\AA)$^{a}$ & $E_{\rm up}$ (cm$^{-1}$) & {$J_{\rm up}$} & A & $\sigma$ & $\lambda_{\rm air}$  & \multicolumn{2}{c}{Shift (cm$^{-1}$)} \\
log \emph{gf}$^{b}$        & $E_{\rm low}$ (cm$^{-1}$) & {$J_{\rm low}$}&  & (cm$^{-1}$)& (\AA)      & This work & Earlier work \\
\hline
4591.82    & 23~260.950 & 3.5 & 144 & 21~771.632 & 4591.846 & 0.190 & 0.193$^{c}$\\
--1.120     & 1489.160  & 3.5 & 147 &           &          &       & 0.152\\
           &           &     & 148 & 21~771.695 & 4591.833 & 0.127 & 0.132\\
           &           &     & 149 &           &          &       & 0.122\\
           &           &     & 150 & 21~771.723 & 4591.827 & 0.099 & 0.092\\
           &           &     & 152 & 21~771.799 & 4591.811 & 0.023 & 0.027\\
           &           &     & 154 & 21~771.822 & 4591.806 & 0     & 0 \\
%           &           &     &     &           &          &       &   \\
4593.55    & 24~816.280 & 5.5 & 144 & 21~763.414 & 4593.580 & 0.267 & 0.275$^{d}$\\
--0.83      & 3052.650  & 5.5 & 147 &           &          &       & 0.212\\
           &           &     & 148 & 21~763.498 & 4593.563 & 0.183 & 0.184\\
           &           &     & 149 &           &          &       & 0.170\\
           &           &     & 150 & 21~763.560 & 4593.549 & 0.121 & 0.128\\
           &           &     & 152 & 21~763.644 & 4593.532 & 0.037 & 0.040\\
           &           &     & 154 & 21~763.681 & 4593.524 & 0     & 0 \\
%           &           &     &     &           &          &       &   \\
4595.29    & 25~664.970 & 6.5 & 144 & 21~755.197 & 4595.315 & 0.168 & 0.162$^{c}$\\
--0.50      & 3909.620  & 6.5 & 147 &           &          &       & 0.127\\
           &           &     & 148 & 21~755.262 & 4595.302 & 0.103 & 0.110\\
           &           &     & 149 &           &          &       & 0.104\\
           &           &     & 150 & 21~755.293 & 4595.295 & 0.073 & 0.077\\
           &           &     & 152 & 21~755.352 & 4595.283 & 0.014 & 0.22\\
           &           &     & 154 & 21~755.366 & 4595.280 & 0     & 0 \\
%           &           &     &     &           &          &       &   \\
4604.17    & 22~039.980 & 2.5 & 144 & 21~713.189 & 4604.206 & 0.271 & 0.302$^{d}$\\
--1.390     & 326.640   & 1.5 & 147 &           &          &       & 0.234\\
           &           &     & 148 & 21~713.261 & 4604.191 & 0.200 & 0.203\\
           &           &     & 149 &           &          &       & 0.187\\
           &           &     & 150 & 21~713.325 & 4604.177 & 0.135 & 0.140\\
           &           &     & 152 & 21~713.418 & 4604.157 & 0.042 & 0.044\\
           &           &     & 154 & 21~713.460 & 4604.148 & 0     & 0 \\
 %          &           &     &     &           &          &       &   \\
4693.63    & 22~788.680 & 3.5 & 144 & 21~299.335 & 4693.669 & 0.286 & 0.307$^{c}$\\
--1.48      & 1489.160  & 3.5 & 147 &           &          &       & 0.238\\
           &           &     & 148 & 21~299.427 & 4693.649 & 0.194 & 0.206\\
           &           &     & 149 &           &          &       & 0.191\\
           &           &     & 150 & 21~299.497 & 4693.633 & 0.123 & 0.143\\
           &           &     & 152 & 21~299.580 & 4693.615 & 0.041 & 0.044\\
%\par
           &           &     & 154 & 21~299.621 & 4693.606 & 0     & 0 \\
%           &           &     &     &           &          &       &   \\   
4715.27    & 22~039.980 & 2.5 & 144 & 21~201.582 & 4715.310 & 0.290 & 0.301$^{c}$\\
--1.46      & 838.220   & 2.5 & 147 &           &          &       & 0.233\\
           &           &     & 148 & 21~201.674 & 4715.289 & 0.198 & 0.202\\
           &           &     & 149 &           &          &       & 0.187\\
           &           &     & 150 & 21~201.735 & 4715.276 & 0.137 & 0.140\\
           &           &     & 152 & 21~201.830 & 4715.255 & 0.042 & 0.044\\
           &           &     & 154 & 21~201.872 & 4715.245 & 0     & 0 \\
%           &           &     &     &           &          &       &   \\   
4719.85    & 21~507.870 & 1.5 & 144 & 21~181.041 & 4719.883 & 0.250 & \\
--1.24      & 326.640   & 1.5 & 147 & 21~181.080 & 4719.874 & 0.21  & \\
           &           &     & 148 & 21~181.124 & 4719.864 & 0.165 & \\
           &           &     & 149 & 21~181.150 & 4719.859 & 0.14  & \\
           &           &     & 150 & 21~181.187 & 4719.850 & 0.103 & \\
           &           &     & 152 & 21~181.258 & 4719.835 & 0.032 & \\
           &           &     & 154 & 21~181.290 & 4719.827 & 0     & \\
%           &           &     &     &           &          &       &   \\ 
           5052.75    & 30879.740 & 6.5 & 144 & 19~785.429 & 5052.816 & 0.433 & \\
--0.16      & 11~094.060 & 7.5 & 147 & 19~785.495 & 5052.799 & 0.368 & \\
           &           &     & 148 & 19~785.551 & 5052.784 & 0.311 & \\
           &           &     & 149 & 19~785.575 & 5052.778 & 0.288 & \\
           &           &     & 150 & 19~785.643 & 5052.761 & 0.219 & \\
           &           &     & 152 & 19~785.791 & 5052.723 & 0.072 & \\
           &           &     & 154 & 19~785.862 & 5052.705 & 0     & \\
\hline
5069.47$^{e}$& 29~934.800& 5.5& 147 & 19~720.315 & 5069.500 & 0.363 & \\
--0.31      & 10~214.380 & 6.5 & 148 & 19~720.375 & 5069.484 & 0.303 & \\
           &           &     & 149 & 19~720.395 & 5069.479 & 0.283 & \\
           &           &     & 150 & 19~720.474 & 5069.459 & 0.204 & \\
           &           &     & 152 & 19~720.610 & 5069.424 & 0.068 & \\
           &           &     & 154 & 19~720.678 & 5069.406 & 0     & \\
%           &           &     &     &           &          &       & \\   
5103.09    & 28~997.140 & 4.5 & 144 & 19~590.299 & 5103.145 & 0.397 & \\
--0.35      & 9406.630  & 5.5 & 147 & 19~590.355 & 5103.130 & 0.340 & \\
           &           &     & 148 & 19~590.393 & 5103.121 & 0.303 & \\
           &           &     & 149 & 19~590.425 & 5103.112 & 0.270 & \\
           &           &     & 150 & 19~590.497 & 5103.093 & 0.198 & \\
           &           &     & 152 & 19~590.630 & 5103.059 & 0.065 & \\
           &           &     & 154 & 19~590.696 & 5103.042 & 0     & \\
%           &           &     &     &           &          &       & \\   
5104.47    & 27~631.180 & 2.5 & 144 & 19~584.965 & 5104.535 & 0.399 & \\
--0.65      & 8046.000  & 3.5 & 147 & 19~585.045 & 5104.514 & 0.319 & \\
           &           &     & 148 & 19~585.088 & 5104.503 & 0.276 & \\
           &           &     & 149 & 19~585.115 & 5104.496 & 0.249 & \\
           &           &     & 150 & 19~585.157 & 5104.485 & 0.207 & \\
           &           &     & 152 & 19~585.304 & 5104.447 & 0.060 & \\
           &           &     & 154 & 19~585.364 & 5104.431 & 0     & \\
\hline                                          
\end{tabular}
\medskip
\par
$^{a}$ Center of gravity;
$^{b}$ \cite{Lawler05};
$^{c}$ \cite{Beiersdorf95} and \cite{Masterman03};
$^{d}$ \cite{Masterman03};
$^{e}$ blended at long wavelength end in FTS spectrum.
\end{table}