\begin{table}%t2
%\centering
\par
\caption{Calculated fit parameters.}\label{t2}
\small \begin{tabular}{c c c c}
\hline\hline\noalign{\smallskip}
Line & $\gamma$ [km~s$^{-1}$] & $K_{1}$ [km~s$^{-1}$] & $\sigma$ [km~s$^{-1}$]\\
\hline
H$\alpha$ & $69.52 \pm 1.02$ &    $45.89 \pm 1.70$ & 8.44  \\
H$\beta$  &  $82.52 \pm 1.62$ &   $41.62 \pm 2.32$ & 13.30 \\
\hline
\end{tabular}  
\end{table}