\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}