\begin{table}%t2
%\centering
\par
\caption{Physical parameters of the observing targets.}\label{t2}
\begin{tabular}{ccccclc}
\hline
\hline
\noalign{\smallskip}
Stars & Max.$ V^\dagger$ & Var. type$^\dagger$ & Sp. type$^\dagger$ & {\it P}$_{\rm orb}$ ({\rm day})$^\dagger$ & Pulsation \\
\noalign{\smallskip}
\hline
\noalign{\smallskip}
TW Dra & 8.0  & EA/SD & A8V+K0III    & 2.806847  & $P_{\rm pul}$ = 0\fd053, $\Delta$B $\approx$ 0\fm010 \\
RX Hya & 8.9  & EA/SD & A8           & 2.281645  & $P_{\rm pul}$ = 0\fd052, $\Delta$B $\approx$ 0\fm014 \\
AB Per & 10.4 & EA/SD & A5           & 7.1602886 & $P_{\rm pul}$ = 0\fd196, $\Delta$B $\approx$ 0\fm020 \\
X Tri  & 8.55 & EA/SD & A5V+G0V      & 0.9715352 & weak signals around 30 and 45 c/d ?\\
XZ UMa & 10.1 & EA/SD & A5+F9        & 1.22232   & -- \\
AC UMa & 10.3 & EA/SD & A2           & 6.854939  & -- \\
RW Per & 9.68 & EA/D  & A5IIIe+G0III & 13.198904 & -- \\
ST Per & 9.52 & EA/SD & A3V+G        & 2.648315  & -- \\
RV Per & 10.3 & EA/SD & A2           & 1.9734926 & -- \\
CP And & 11.4 & EA/SD & A5           & 3.60894   & -- \\
VZ Leo & 11.8 & EA/SD & A5           & 1.089906  & -- \\
RS Cep & 10.2 & EA/SD & A5IIIe+G     & 12.420105 & -- \\
Z Dra  & 10.8 & EA/SD & F4V          & 1.357456  & -- \\
RW CrB & 10.2 & EA/SD & F2V          & 0.7264114 & -- \\
\noalign{\smallskip}
\hline
\noalign{\smallskip}
\multicolumn{5}{l}{$^\dagger$  From the GCVS (Kholopov et~al. \cite{Kholopov88}).}\\
\end{tabular}
\end{table}