\begin{table}%t1
%\centering
\par
\caption{\label{tab1}Pulsation frequencies of V10, V350, V81, V87, V105 and V19.}
\small \begin{tabular}{lcccccc}
\hline \hline
Star  & $P_1$~[day] & $P_2$~[day] & $P_2/P_1$ & $A_1$~[mag] & $A_2$~[mag] & $\sigma$~[mag] \\
\hline
V10 ~~~~1st~~ sol. & 0.3749759(5) & 0.299176(9) & 0.79785& 0.1831(4) & 0.0067(4) & 0.0071\\
V10 ~~~~2nd sol. & 0.3749758(5) & 0.230126(6) & 0.61371& 0.1825(5) & 0.0064(5)& 0.0074\\\hline
V350 ~~1st~~ sol.  & 0.3791074(3) & 0.230632(5) & 0.60836 &0.2126(6) & 0.0062(6) & 0.011\\
V350 ~~2nd sol.  &0.3791077(4) & 0.303810(9) & 0.80138& ~0.2117(6)&0.0058(6)&0.011  \\
V350 ~~3rd~   sol.  &  0.3749758(5)  &  0.230126(6)  &  0.61371  &  0.1825(5)  &  0.0064(5)  &  0.011  \\\hline
%\hline
V81 ~~~~1st~~ sol. & 0.3893907(3) & 0.238990(4) & 0.61375 &  0.2214(5) & 0.0072(5) & 0.010\\
V81 ~~~~2nd sol. & 0.3893907(3) & 0.314313(7) & 0.80719 & 0.2217(5) & 0.0065(6) & 0.010 \\\hline
%\hline
V87 ~~~~1st~~ sol. & 0.3964889(3) & 0.246584(4) & 0.62192 & 0.2314(6) & 0.0063(5) & 0.010\\
V87 ~~~~2nd     sol. & 0.3964884(3) & 0.320542(8) & 0.80845 & 0.2322(6) & 0.0055(6) & 0.010\\\hline
%\hline
V105                 & 0.3353278(2) & 0.205811(2) & 0.61376 & 0.2465(6) & 0.0125(6) & 0.010\\\hline
%\hline
V19 & 0.2995510(2) & 0.183302(2) & 0.61192 & 0.2279(5) & 0.0071(5) & 0.010\\
\hline
\end{tabular}
\end{table}