\begin{table}%t1
\caption{\label{tab:1}Fitted parameters to $A_{V} = A_{V,D} + C I_{13}$}             
%\centering
\par
\begin{tabular}{lccc}
\hline \hline \noalign{\smallskip}
Regression method & $A_{V,D}$ (mag) & $C$ (mag/(K~km~s$^{-1}$))\\
\hline
$A_{V}$ on $I_{13}$ & 0.579 $\pm$ 0.002  & 0.565 $\pm$ 0.003 \\
$I_{13}$ on $A_{V}$ & 0.331 $\pm$ 0.004  & 0.799 $\pm$ 0.004 \\
Bisector & 0.462 $\pm$ 0.003  & 0.676 $\pm$ 0.003 \\
\hline
\end{tabular}
\vspace*{1mm}\end{table}