\begin{table}%t2
\caption{The influence of old stellar populations on detected \wlya\ -- the
effects of age and metallicity.
\label{tab:mspset}}
%\centerline
 {\begin{tabular}{c c c c c c c}        
\hline\hline                 
Age   & $Z$ & $n_{4500}$ &   \multicolumn{4}{c}{\wlya\ from technique}\\ \cline{4-7}
(Myr) &     &  &   \#1 & \#2 & \#3 & \#4\\
\hline                        
-- & --  & 0.0 & 99.581 & 179.774 & 95.819 & 100.000 \\
\hline
900 & 0.008 & 1.0 & 99.579 & 178.865 &  98.398 &98.610 \\
600 & 0.008 & 1.0 & 99.524 & 175.017 &  96.486 &96.282 \\
300 & 0.008 & 1.0 & 99.530 & 168.273 &  92.709 &92.202 \\
200 & 0.008 & 1.0 & 99.552 & 165.828 &  91.587 &90.723 \\
100 & 0.008 & 1.0 & 99.557 & 164.678 &  90.934 &90.027\\
\hline
%900 & 0.008 & 0.2 & 100.0 & 118.4 & 100.5 & 101.5\\   
%900 & 0.008 & 0.3 & 100.0 & 118.4 & 100.5 & 101.9\\   
%900 & 0.008 & 0.4 & 100.0 & 118.4 & 100.5 & 102.9\\   
%900 & 0.008 & 0.5 & 100.0 & 118.4 & 100.5 & 103.4\\   
%900 & 0.008 & 0.6 & 100.0 & 118.4 & 100.5 & 103.9\\   
%900 & 0.008 & 0.7 & 100.0 & 118.4 & 100.5 & 104.9\\  
%900 & 0.008 & 1.0 & 100.0 & 118.4 & 100.5 & 106.9\\  
%\hline
300 & 0.001 & 1.0 & 99.511 & 171.039 &94.156 &93.875 \\
300 & 0.004 & 1.0 & 99.539 & 168.296 &92.505 &92.216 \\
300 & 0.020 & 1.0 & 99.478 & 171.927 &94.899 &94.412 \\
300 & 0.040 & 1.0 & 99.550 & 176.421 &97.581 &97.131 \\
\hline                       
\end{tabular}}
\par
\smallskip
Note: Normalisation factor ($n_{4500}$) defined in Sect.~\ref{sect:msp}.
\end{table}