\begin{table}%t5
\caption {\label{tab:extinc}Total to selective extinction ratios, $R_\lambda = A_\lambda / E_{B-V}$, for T~Cha,
derived from ${\it UBVRI}$ photometry (Covino et~al. 1996).
}
 %%\centering

\par
\begin{tabular}{c c c c c }
\hline \hline
%  $A_U / E_{B-V}$ & $A_B / E_{B-V}$ & $A_V / E_{B-V}$ & $A_R / E_{B-V}$ & $A_I / E_{B-V}$ \\
 $R_U$   &  $R_B$  &  $R_V$   &  $R_R$   &  $R_I$  \\
\hline
 $8.4\pm0.4$ & $6.5\pm0.3$ & $5.5\pm0.2$ & $4.9\pm0.2$ & $4.5\pm0.2$ \\
\hline 
\end{tabular}
\end{table}