\begin{table}%t1
\caption{Infra-red phosphorus lines considered in this work.
\label{irpline}}
%\centering
\begin{tabular}{rrrrr}
\hline\hline
\noalign{\smallskip}
 Wavelength & Transition & $E_{\rm low}$ & \loggf  \\
 {[nm]}     &            & {[eV]}\\
\noalign{\smallskip}
\hline
\noalign{\smallskip}
 1051.1584 & 4s$^4$P$_{1/2}$--4p$^4$D$^0_{3/2}$ & 6.94 & --0.13 \\
 1052.9522 & 4s$^4$P$_{3/2}$--4p$^4$D$^0_{5/2}$ & 6.95 &   0.24 \\
 1058.1569 & 4s$^4$P$_{5/2}$--4p$^4$D$^0_{7/2}$ & 6.99 &   0.45 \\
 1059.6900 & 4s$^4$P$_{1/2}$--4p$^4$D$^0_{1/2}$ & 6.94 & --0.21 \\
 1068.1402 & 4s$^4$P$_{3/2}$--4p$^4$D$^0_{3/2}$ & 6.95 & --0.19 \\
\noalign{\smallskip}
\hline
\end{tabular}
\end{table}