\begin{table}%t1
%\centering
\par
\caption{Absolute magnitudes of the different WN subtypes, as adopted for 
stars of unknown distance.
\label{table:mvcalib}}
\begin{tabular}{lc} 
\hline\hline %----------------------------------------------------
Subtype & $M_{\rm v}$ [mag] \\ 
\hline %----------------------------------------------------
\emph{hydrogen-free (WNE)} & \\
 WN2   &  --2.62 \\
 WN3   &  --3.23 \\
 WN4   &  --3.84 \\
 WN5   &  --4.45 \\
 WN6   &  --5.06 \\
 WN7   &  --5.67 \\
\emph{with hydrogen (WNL)} & \\
 WN6-9 &  --7.22 \\
\hline 
\end{tabular}
\end{table}