\begin{table}%ta5
\caption{\label{tab:v636cen_tmin}
Times of primary (P) and secondary (S) minima for V636~Cen. 
O-C values are calculated from the apsidal motion parameters
given in Table~\ref{tab:v636cen_aps}.
}
\small%\begin{center}
\par
\begin{tabular}{llcrc} \hline
\hline\noalign{\smallskip}
HJD           & rms         & Type &   O--C      &  Reference  \\
$-$ 2~400~000 &           &      &            &              \\
\noalign{\smallskip}
\hline
\noalign{\smallskip}
27~977.317     & 0.030     & P    & $-0.010$   & H58          \\
28~658.405     & 0.030     & P    & $-0.069$   & --            \\
28~688.414     & 0.030     & P    & $-0.048$   & --            \\
34~480.390     & 0.030     & P    &   0.037    & --             \\
34~510.323     & 0.030     & P    & $-0.018$   & --             \\
34~540.340     & 0.030     & P    &   0.012    & --             \\
34~570.300     & 0.030     & P    & $-0.016$   & --             \\
46~873.8014    &0.0001     & P    &   0.0003   & This paper    \\
47~220.8003    &0.0001     & P    & $-0.0002$  &       --       \\
47~250.7883    &0.0002     & P    &   0.0002   &       --       \\
47~627.7751    &0.0001     & P    &   0.0000   &       --       \\
48~167.538     &0.014      & P    & $-0.014$   & H00            \\
48~364.6132    &0.0001     & P    & $-0.0002$  & This paper    \\
52~305.84068   &0.00020    & P    & $-0.00056$ &       --       \\
52~365.81615   &0.00015    & P    & $-0.00030$ &       --       \\
52~682.82827   &0.00015    & P    &   0.00001  &       --       \\
54~293.59119   &0.00010    & P    &   0.00023  &       --        \\
46~871.7348    &0.0003     & S    & $-0.0002$  &       --       \\
47~235.8713    &0.0005     & S    &   0.0007   &       --       \\
47~248.7222    &0.0003     & S    & $-0.0003$  &       --       \\
52~303.78204   &0.00030    & S    &   0.00051  &       --       \\
52~436.58404   &0.00015    & S    &   0.00011  &       --       \\
52~680.76871   &0.00040    & S    & $-0.00028$ &       --       \\
52~710.75656   &0.00030    & S    & $-0.00007$ &       --       \\
53~854.57063   &0.00030    & S    & $-0.00021$ &       --       \\
54~291.53262   &0.00050    & S    & $-0.00096$ &       --        \\
\hline
\end{tabular}%\end{center}
\par
%\smallskip
References are: H58 = Hoffmeister (\cite{h58}); rms of $0 \fd 03$ has been estimated.
H00 = Hipparcos 2000, unpublished.
\end{table}