\begin{table}%t3
%\centering
\par
%\scriptsize
\caption{Stellar parameters for the variables in NGC~2506. Type 
names refer to {\it oscillating blue straggler} for BS, {\it detached eclipsing
binary} for DEB, {\it contact binary} for CB, {\it~$\gamma$~Doradus} for GD,
and {\it eclipsing binary} (unspecified) for EB. V10 has not been classified, 
and Str{\"o}mgren photometry is not available for V8, V22 and V28.}\label{tab.param}
\begin{tabular}{cccccccccccccccl}
\hline\hline
\noalign{\smallskip}
ID & $\alpha_{2000}$ & $\delta_{2000}$ & $V$ & $b-y$ & $v-y$ & $m_{1}$ & $c_{1}$ & $(b-y)_{0}$ & $c_{0}$ & $T_{\rm eff}$ & $M_{V}$ & $M_{\rm bol} $ & $BC$ & log~$L$ & Type  \\
\noalign{\smallskip} \hline
V1 & 7 59 58.1&--10 45 54 & 13.660 &  0.150 &  0.468 &  0.168 &  0.994 &
0.096 & 0.983             & 8330   &  0.965 &  0.903 & --0.062 &  1.537 & BS \\ 
V2 & 7 59 53.6& --10 45 48 & 14.510 &  0.185 &  0.548 &  0.178 &  0.819 & 
0.131 & 0.808             & 7950   &  1.815 &  1.783 & --0.031 &  1.185 & BS \\ 
V3 & 7 59 57.9& --10 47 20 & 14.727 &  0.207 &  0.561 &  0.147 &  0.820 & 
0.153 & 0.809             & 7740   &  2.032 &  2.009 & --0.022 &  1.095 & BS \\
V4 & 8 00 08.2& --10 45 50 & 14.645 &  0.292 &  0.706 &  0.122 &  0.586 & 
0.238 & 0.575             & 6920   &  1.950 &  1.900 & --0.050 &  1.138 & DEB \\ 
V5 & 8 00 10.3& --10 43 17 & 17.430 &  0.456 &  1.133 &  0.221 &  0.199 &  
0.402 & 0.188             &        &        &        &        &        & DEB \\ 
V6 & 8 00 17.2& --10 45 35 & 14.677 &  0.243 &  0.701 &  0.215 &  0.651 & 
0.189 & 0.640             & 7360   &  1.982 &  1.965 & --0.017 &  1.113 & BS \\ 
V7 & 7 59 53.4& --10 47 12 & 14.694 &  0.220 &  0.599 &  0.159 &  0.752 & 
0.166 & 0.741             & 7600   &  1.999 &  1.983 & --0.015 &  1.105 & BS \\ 
V8 & 8 00 34.5& --10 46 50 & 13.80  &  0.22  &        &        &        &
      &                   &        &        &        &        &        & BS \\ 
V9 & 8 00 05.4& --10 43 39 & 15.289 &  0.268 &  0.666 &  0.130 &  0.681 & 
0.214 & 0.670             & 7160   &  2.594 &  2.563 & --0.030 &  0.873 & EB \\ 
V10& 7 59 54.9& --10 46 46 & 13.079 &  0.522 &  1.287 &  0.243 &  0.513 & 
0.468 & 0.502             &        &        &        &        &        &  ?  \\
V11& 8 00 04.6& --10 48 43 & 15.454 &  0.275 &  0.681 &  0.131 &  0.621 & 
0.221 & 0.610             & 7080   &  2.759 &  2.720 & --0.038 &  0.810 & GD \\ 
V12& 8 00 05.0& --10 47 11 & 15.508 &  0.269 &  0.654 &  0.116 &  0.654 & 
0.215 & 0.643             & 7140   &  2.813 &  2.780 & --0.032 &  0.786 & GD \\ 
V13& 8 00 04.7& --10 46 39 & 15.599 &  0.269 &  0.663 &  0.125 &  0.621 & 
0.215 & 0.610             & 7130   &  2.904 &  2.870 & --0.034 &  0.750 & GD \\ 
V14& 7 59 55.8& --10 48 41 & 15.376 &  0.262 &  0.687 &  0.163 &  0.610 & 
0.208 & 0.599             & 7180   &  2.681 &  2.652 & --0.029 &  0.838 & GD \\ 
V15& 7 59 56.5& --10 47 03 & 14.983 &  0.267 &  0.676 &  0.142 &  0.566 & 
0.213 & 0.555             & 7120   &  2.288 &  2.253 & --0.034 &  0.997 & GD \\ 
V16& 7 59 57.7& --10 46 09 & 15.333 &  0.243 &  0.624 &  0.138 &  0.668 & 
0.189 & 0.657             & 7370   &  2.638 &  2.621 & --0.017 &  0.850 & GD \\ 
V17& 8 00 07.4& --10 43 33 & 15.521 &  0.257 &  0.662 &  0.148 &  0.621 & 
0.203 & 0.610             & 7230   &  2.826 &  2.802 & --0.024 &  0.778 & GD \\ 
V18& 8 00 01.0& --10 45 06 & 15.517 &  0.254 &  0.642 &  0.134 &  0.632 & 
0.200 & 0.621             & 7260   &  2.822 &  2.800 & --0.021 &  0.778 & GD \\ 
V19& 7 59 49.7& --10 46 35 & 15.050 &  0.261 &  0.662 &  0.140 &  0.581 & 
0.207 & 0.570             & 7180   &  2.355 &  2.326 & --0.029 &  0.968 & GD \\ 
V20& 8 00 00.8& --10 43 47 & 15.138 &  0.264 &  0.673 &  0.145 &  0.636 & 
0.210 & 0.625             & 7170   &  2.443 &  2.414 & --0.029 &  0.933 & GD \\ 
V21& 8 00 01.6& --10 43 27 & 15.424 &  0.281 &  0.695 &  0.133 &  0.610 & 
0.227 & 0.599             & 7020   &  2.729 &  2.685 & --0.044 &  0.824 & GD \\ 
V22& 8 00 10.3& --10 40 42 & 15.10  &  0.29  &        &        &        &
      &                   &        &        &        &        &        & GD \\ 
V23& 7 59 57.7& --10 42 55 & 15.246 &  0.269 &  0.685 &  0.147 &  0.591 & 
0.215 & 0.580             & 7110   &  2.551 &  2.516 & --0.035 &  0.892 & GD \\ 
V24& 8 00 13.3& --10 49 49 & 15.299 &  0.263 &  0.652 &  0.126 &  0.627 & 
0.209 & 0.616             & 7180   &  2.604 &  2.575 & --0.029 &  0.868 & GD \\ 
V25& 8 00 05.3& --10 51 29 & 15.231 &  0.247 &  0.641 &  0.147 &  0.644 &
0.193 & 0.633             & 7320   &  2.536 &  2.517 & --0.019 &  0.892 & GD \\ 
V26& 8 00 26.5& --10 48 39 & 13.058 &  0.632 &  1.631 &  0.367 &  0.314 &
0.578 & 0.303             &        &        &        &        &        & EB \\ 
V27& 8 00 28.2& --10 47 13 & 17.175 &  0.368 &  0.912 &  0.176 &  0.219 &
0.314 & 0.208             &        &        &        &        &        & EB \\ 
V28& 7 59 53.2& --10 53 26 & 18.60  &  1.50  &        &        &        &
      &                   &        &        &        &        &        & CB \\ 
\hline
\noalign{\smallskip}
\end{tabular}
\end{table}