\begin{table}%T4
\caption{\label{tab4}Modeling solutions. The uncertainties are formal mean 
standard errors to the solution. The last four rows give  the standard
deviation of the observed points  from the derived orbital solution.}
%\centering
\par
$$
\begin{tabular}{lrclrclrcl}
\hline
\hline
parameter (units)&\multicolumn{3}{c}{V781 Tau}&\multicolumn{3}{c}{UV Leo}&\multicolumn{3}{c}{GK Dra}\\ 
\hline
Period (days)   &0.34490857    &$\pm$&0.0000001
                                            & 0.600086 &$\pm$&0.000001 & 9.9742	 &$\pm$&0.0002\\
Epoch (HJD)     &2447962.46572 &$\pm$&0.00016&2448500.560&$\pm$&0.001& 2452005.56 &$\pm$&0.03  \\
$a$ ($R_\odot$)
                &2.4478        &$\pm$&0.002 & 3.957    &$\pm$&0.087 & 28.92 	 &$\pm$&  0.35\\
$V_\gamma$ (km s$^{-1}$)
                &30.44         &$\pm$&0.10  & 3.9      &$\pm$&3.1   & 1.68	 &$\pm$& 0.67 \\
$q = \frac{m_2}{m_1}$
                &2.278       &$\pm$&0.028 & 0.917    &$\pm$&0.027 & 1.244  	 &$\pm$& 0.020\\
$i$ (deg)       &66.80         &$\pm$&1.04  & 83.07    &$\pm$&0.91  & 86.07 	 &$\pm$& 0.18  \\
$e$             &0.0           &     &      & 0.0      &     &      & 0.084  	 &$\pm$& 0.013\\
$\omega$ (deg from $a$)  
                &              &     &      &          &     &      & 175.4 	 &$\pm$& 1.4   \\
$T_1$ (K)       &6390          &$\pm$&11    & 6129     &$\pm$&67    & 7100	 &$\pm$&70   \\
$T_2$ (K)       &6167          &$\pm$&10    & 5741     &$\pm$&59    & 6878	 &$\pm$&57   \\
$\Omega_1$      &5.640         &$\pm$&0.05  & 5.024    &$\pm$&0.090 & 12.26  	 &$\pm$&0.21  \\
$\Omega_2$      &5.640         &$\pm$&0.05  & 4.093    &$\pm$&0.074 & 13.69  	 &$\pm$&0.24  \\
$R_1$ ($R_\odot$)
                &0.759         &$\pm$&0.007 & 0.973    &$\pm$&0.024 & 2.431	 &$\pm$&0.042  \\
$R_2$ ($R_\odot$)
                &1.111         &$\pm$&0.007 & 1.216    &$\pm$&0.043 & 2.830	 &$\pm$&0.054  \\
$M_1$ ($M_\odot$)
                &0.510         &$\pm$&0.006 & 1.210    &$\pm$&0.097 & 1.460  	 &$\pm$&0.066  \\
$M_2$ ($M_\odot$)
                &1.150         &$\pm$&0.027 & 1.110    &$\pm$&0.100 & 1.810 	 &$\pm$&0.109  \\
$M_{{\rm bol},1}$     &4.950         &$\pm$&0.025 & 4.590    &$\pm$&0.094 & 1.960 	 &$\pm$&0.075  \\
$M_{{\rm bol},2}$     &4.280         &$\pm$&0.020 & 4.390    &$\pm$&0.113 & 1.770 	 &$\pm$&0.072  \\
$\log g_1$ (cgs)&4.380         &$\pm$&0.012 & 4.540    &$\pm$&0.053 & 3.830 	 &$\pm$&0.033  \\
$\log g_2$ (cgs)&4.410         &$\pm$&0.016 & 4.310    &$\pm$&0.055 & 3.790 	 &$\pm$&0.041  \\
&&&&&&&&& \\
$\sigma_{RV,1,2}$ (km s$^{-1}$)
                &13.8          &     &      & 17.6     &     &      & 2.71	 &     &      \\
$\sigma~ (B_{\rm T})$ (mag)
                &0.193         &     &      & 0.228    &     &      & 0.187	 &     &      \\
$\sigma~ (V_{\rm T})$ (mag)
                &0.173         &     &      & 0.227    &     &      & 0.199	 &     &      \\
$\sigma~ (H_{\rm P})$ (mag)
                &0.020         &     &      & 0.028    &     &      & 0.028	 &     &      \\
\hline
\end{tabular} 
$$    
\end{table}