\begin{table}%t3
%\centering
\par
\caption{\label{av_max}Possible stellar classifications of HD~50138 under the assumption of pure interstellar extinction along the line of sight.}
\small  \begin{tabular}{lllc}
\hline     \hline
 L.C. & Sp.type & $T_{\rm eff} [\rm {K}]$ & $E(B-V)_{\rm max}{\rm [mag]}$\\
\hline
 V     & B5.5--7.5 & $13~300 \pm 900$    & $0.15 \pm 0.03$ \\
III/IV & B5.5--8.0 & $13~100 \pm 1100$ & $0.15 \pm 0.03$ \\
 II    & B7.5--8.5 & $11~600 \pm 400$    & $0.11 \pm 0.02$ \\
    \hline
\end{tabular}
\end{table}