\begin{table}%Ta4
\caption{\label{tab:swcma_tmin}Times of primary (P) and secondary (S)
minima of SW~CMa.
O$-$C values are calculated for the
apsidal motion ephemeris given in Table \ref{tab:swcma_aps}.
Times given in brackets have not been used for the ephemeris determination.
 }
\small
%\begin{center}
\par
\begin{tabular}{llcrc} 
\hline
\hline\noalign{\smallskip}
HJD           & rms         & Type &   O--C      &  Reference  \\
$-$ 2~400~000 &           &      &            &              \\ 
\hline 
25~646.489     &0.010     & P    & $-0.087$   & W52 \\
25~969.426     &0.010     & P    & $-0.094$   & -- \\ 
25~969.469     &0.010     & P    & $-0.051$   & -- \\
26~393.319     &0.010     & P    & $-0.064$   & -- \\
26~393.404     &0.010     & P    &   0.021    & -- \\   
27~160.327     &0.010     & P    & $-0.047$   & -- \\
28~250.320     &0.010     & P    &   0.012    & -- \\
37~696.372     &0.010     & P    & $-0.032$   & Z65 \\
38~372.541     &0.010     & P    & $-0.026$   & -- \\
38~463.330     &0.010     & P    & $-0.065$   & -- \\
46~829.6482    &0.0003    & P    & $-0.0008$  & This paper \\
46~839.7405    &0.0008    & P    & $-0.0005$  & -- \\   
48~272.8031    &0.0003    & P    &   0.0005   & -- \\
49~352.6453    &0.0004    & P    &   0.0005   & LF94 \\
52~309.5963    &0.0002    & P    &   0.0005   & This paper \\
54~075.6924    &0.0002    & P    & $-0.0005$  & -- \\
25~619.400     &0.010     & S    & $-0.035$   & W52 \\
26~628.566     &0.010     & S    & $-0.067$   & F37   \\    
26~709.324     &0.010     & S    & $-0.044$   & F37 \\   
27~123.080     &0.010     & S    & $-0.060$   & F37   \\    
(27~133.308)   &0.010     & S    &   0.077    & W52 \\    
(27~780.015)   &0.010     & ?    &   0.897    & F37 \\    
27~890.090     &0.010     & S    & $-0.040$   & --     \\    
28~162.530     &0.010     & S    & $-0.083$   & W52 \\
28~495.601     &0.010     & S    & $-0.047$   & -- \\
30~433.316     &0.010     & S    &   0.008    & -- \\
34~066.378     &0.010     & S    & $-0.042$   & -- \\
36~599.438     &0.010     & S    & $-0.068$   & Z65 \\
(37~366.328)   &0.010     & S    & $-0.168$   & -- \\      
46~832.7710    &0.0010    & S    &   0.0001   & This paper \\
47~579.5765    &0.0004    & S    & $-0.0007$  & -- \\
47~589.6690    &0.0004    & S    & $-0.0002$  & -- \\
48~164.905     & 0.003    & S    & $-0.007$   & H00       \\   
48~265.8327    &0.0010    & S    &   0.0011   & This paper \\
49~345.6754    &0.0006    & S    &   0.0022   & LF94 \\
52~302.6227    &0.0002    & S    &   0.0001   & This paper \\
53~644.8536    &0.0007    & S    & $-0.0020$  & -- \\
\hline
\end{tabular}
%\end{center}
\par
%\smallskip
References are: F37 = Florja (\cite{florja37}).
H00 = Hipparcos 2000, unpublished.
LF94 = Lacy \& Fox (\cite{lacyfox94}).
W52 = Wenzel (\cite{wenzel52}); 
      photographic observations (rms of $0 \fd 01$ has been estimated).
Z65 = Ziegler (\cite{ziegler65});
      photographic observations (rms of $0 \fd 01$ has been estimated).
\end{table}