\begin{table}%t3
%\centering
\par
\caption{\label{rv3}Mean values of radial velocities and equivalent widths of the central 
absorptions in H$\alpha$ and H$\beta$.}
%\tabcolsep1pt
\small \begin{tabular}{lccccc} 
\hline\hline
JD & Phases  &\multicolumn{2}{c}{H$\alpha$}& \multicolumn{2}{c}{H$\beta$} \\
2~450~000+& (days) & RV($\rm km~s^{-1}$)& eqw  & RV($\rm km~s^{-1}$)& eqw \\ 
\hline  
 1069.6 & 13.285 & --57.7& 0.46 & --25.6 &  0.43 \\
 1324.7 & 13.847 & --56.6& 0.59 & $-4$7.9 &  0.57 \\
 1422.6 & 14.063 & --50.2& 0.53 & $-4$3.0 &  0.72\\
 1629.9 & 14.518 & $-4$8.8& 0.71 & $-4$5.0 &  0.60 \\
 1754.7 & 14.795 & --52.3& 0.70 & $-4$6.9 &  0.58\\
 1790.6 & 14.874 & --52.4& 0.73 & $-4$5.1 &  0.61\\
 1791.6 & 14.877 & --50.0& 0.67 &       &      \\
 1824.5 & 14.949 & --50.7& 0.74 & $-4$7.1 &  0.66\\
 1827.5 & 14.956 & --52.7& 0.72 &       &      \\
 2016.9 & 15.373 & $-4$8.4& 0.75 & $-4$5.2 &  0.65 \\
 2059.9 & 15.468 & $-4$3.8& 0.59 & $-4$7.8 &  0.60 \\
 2132.6 & 15.628 & $-4$8.1& 0.62 & --54.7 &  0.64 \\
 2388.9 & 16.193 & $-4$2.9& 0.86 & $-4$3.4 &      \\
 2531.6 & 16.508 & --38.8& 0.77 &       &        \\
 2770.9 & 17.036 & $-4$8.4& 0.63 & $-4$8.5 &  0.76\\
 2771.8 & 17.038 & $-4$4.4& 0.76 & $-4$1.1 &  0.86\\
 2890.5 & 17.299 & --50.1& 0.86 &      &      \\
 3126.8 & 17.820 & $-4$8.4& 0.68 & $-4$0.8 &  0.56\\
 3127.8 & 17.822 & $-4$7.3& 0.83 &       &     \\
 3476.9 & 18.592 & $-4$3.8& 0.93 & $-4$2.9 &  0.75 \\
 3628.6 & 18.926 & --51.1& 0.92 & $-4$8.2 &  0.79\\
 4600.8 & 21.070 & --60.0& 0.94 & --54.5 &  0.88\\
 4627.8 & 21.129 & $-4$3.6& 1.07 & --35.2 &  0.95\\
\hline
\end{tabular}
\end{table}