\begin{table}%t2
%\centering
\par
\caption{\label{table_oc}Timings of phase~0 and~0.5 (light curves only).}
\small \begin{tabular}{lrr}
\hline \hline 
~~~~~~~~~~$T_0$ & Cycle & ${\rm O}\!-\!{\rm C}$ \\
(${\rm HJD} - 2450000$) &   &   (s)~~ \\  
\hline\noalign{\smallskip}
\hline\noalign{\smallskip}
1918.39911  & $-$5836   & 239   \\
1926.27401  & $-$5809.5 & 94    \\
1926.42749  & $-$5809   & 514   \\
1956.30491  & $-$5708.5 & 1018  \\
2576.44547  & $-$3622   & $-$1496 \\
2577.33716  & $-$3619   & $-$1495 \\
3652.88176  & $-$0.5    & 156   \\
3653.77448  & 2.5     & 245   \\
3653.91820  & 3       & $-$177  \\
3654.67436  & 5.5     & 953   \\
3654.80932  & 6       & $-$226  \\
3654.95944  & 6.5     & $-$96   \\
3655.70444  & 9       & 70    \\
3655.85465  & 9.5     & 208   \\
\hline 
\end{tabular} 
\end{table}