\begin{table}%tB.1
\caption{\label{TabExtinc}Total visual extinction of $\lambda$ Gru as obtained from the relevant studies.} 
%\centering
\par
\begin{tabular}{l c}       
\hline\hline  \noalign{\smallskip}
 Study & $A_{V}$ \\   
\hline                       
   \citet{fitzgerald68}  & 0.00(13) \\      
   \citet{penprase92}   & 0.00(24) \\
   \citet{arenou92} & 0.16(15) \\
   \citet{chen98}   & 0.00(17) \\
   \citet{drimmel01} & 0.04(5) \\
\hline                                 
\end{tabular}
\end{table}