\begin{table}%T3
%%\centering
\par
\caption{Spectroscopic observations of MS~Ser in H$_{\alpha}$ region.}
\label{tab3}
\begin{tabular}{cccccccccc}
\hline\hline\noalign{\smallskip}
HJD & phase &$V^1_{\rm rad}$&$V^2_{\rm rad}$&$F_{\max}/F_{\rm cont}$&$F_{\max}/F_{\rm cont}$&$\Delta \lambda_{\rm peak}$& {\it FWHM}   &$F_{\rm red}/F_{\rm blue}$&$EW$\\
     &       &km~s$^{-1}$      & km~s$^{-1}$     & original         & pure             & original              &  pure  & original         &\AA \\
     &       &           &           & profile          & emission         & profile               &emission& profile          &    \\
\noalign{\smallskip}
\hline\noalign{\smallskip}
 51669.422 & 0.4023 & $-$60 &  65 & 1.09 & 1.51 & 0.48 & 1.30 & 0.98 & 0.97 \\
 51673.421 & 0.8188 &  46 & $-$76 & 1.10 & 1.56 & 0.48 & 1.36 & 1.01 & 0.98 \\
 51674.414 & 0.9223 &  39 &     & 1.05 & 1.51 & 0.86 & 1.19 & 1.04 & 0.81 \\
 51702.161 & 0.8126 &  28 &     & 1.07 & 1.55 & 0.27 & 1.19 & 1.04 & 0.94 \\
 52027.456 & 0.6975 &  $-$9 &     & 1.09 & 1.60 & 1.12 & 1.38 & 1.06 & 1.24 \\
 52046.408 & 0.6717 & $-$42 &  39 & 1.23 & 1.77 & 0.79 & 1.39 & 0.99 & 1.68 \\
 52047.405 & 0.7755 & $-$56 &  61 & 1.19 & 1.72 & 1.05 & 1.45 & 1.00 & 1.45 \\
 52060.413 & 0.1305 &  37 & $-$56 & 1.14 & 1.56 & 1.65 & 1.51 & 0.94 & 1.35 \\
 52061.411 & 0.2345 &  47 & $-$74 & 1.14 & 1.56 & 1.85 & 1.74 & 0.95 & 1.44 \\
 52072.417 & 0.3809 &   5 &     & 1.08 & 1.47 & 0.33 & 1.36 & 0.99 & 1.47 \\
 52074.419 & 0.5895 & $-$53 &  62 & 1.23 & 1.70 & 1.06 & 1.46 & 0.94 & 1.60 \\
 52075.422 & 0.6939 & $-$58 &  65 & 1.14 & 1.68 & 1.06 & 1.31 & 0.98 & 1.34 \\
 52324.479 & 0.6374 &  20 &     & 1.06 & 1.56 & 1.32 & 1.34 & 0.97 & 1.42 \\
 52346.450 & 0.9260 & $-$48 &  43 & 1.14 & 1.65 & 0.99 & 1.30 & 0.97 & 1.31 \\
 52347.477 & 0.0330 &  $-$9 &     & 1.08 & 1.56 & 1.85 & 1.40 & 0.95 & 1.27 \\
 52348.461 & 0.1355 &  22 & $-$41 & 1.05 & 1.56 & 1.32 & 1.42 & 1.00 & 1.29 \\
 52349.422 & 0.2356 &  41 & $-$69 & 1.04 & 1.49 &      & 1.29 &      & 1.04 \\
 52374.442 & 0.8419 & $-$14 &     & 1.32 & 1.78 &      & 1.59 &      & 2.32 \\
 52375.429 & 0.9447 &  20 & $-$39 & 1.19 & 1.74 & 0.99 & 1.42 & 0.99 & 1.72 \\
 52376.436 & 0.0496 &  43 & $-$70 & 1.07 & 1.55 & 0.92 & 1.31 & 1.03 & 1.22 \\
 52415.415 & 0.1099 & $-$10 &     & 1.04 & 1.47 &      & 1.32 &      & 0.99 \\
 52417.378 & 0.3144 & $-$59 &  60 & 1.02 & 1.50 & 0.86 & 1.21 & 1.01 & 1.01 \\
 52418.374 & 0.4181 & $-$50 &  61 & 1.02 & 1.48 & 0.92 & 1.25 & 1.01 & 0.99 \\
 52445.216 & 0.2142 & $-$51 &  55 & 1.18 & 1.61 & 1.25 & 1.53 & 0.93 & 1.32 \\
\hline
\end{tabular}
\end{table}