\begin{table}%t1
\caption{\label{t1}Fits.}                    
%\centering
\par
\begin{tabular}{l c c c c}         
\hline\hline\noalign{\smallskip}                
Method & Galaxy & $N$ & $x$-residuals & $y$-residuals \\     
\hline                         
CO/HI & M~99 & 1.46 $\pm$ 0.13 &  0.077 & 0.111 \\
dust & M~99 & 1.77 $\pm$ 0.22 & 0.086 & 0.152 \\
CO/HI & M~100 & 1.38 $\pm$ 0.08 & 0.070 & 0.096 \\
dust & M~100 & 1.77 $\pm$ 0.10 & 0.050 & 0.088 \\
\hline                                    
\end{tabular} %\vspace*{-2.5mm}
\end{table}