\begin{table}%t3
\caption{\label{tab:dataphot}General characteristics of the photometric datasets obtained for every object.} 
%\centering
\small
\begin{tabular}{lccc} 
\hline\hline 
Object       & P7  & SAAO  & ASAS \\
\hline
\nulacht   &                   &   91 (50858--52060) & 830 (51868--54843) \\
\hd        & 120 (47258--47824) &  166 (51625--53195) & 576 (52441--54711) \\
\entra     &  61 (47608--49853) &   58 (43979--49564) & 633 (51905--54743) \\
\eenvijf   &                   &   49 (48803--51712) & 550 (51925--54743) \\
\eennegen  &  47 (52415--53606) &   30 (49485--51819) & 362 (52442--54772) \\
\eennegenb &   6 (52446--52561) &   50 (48404--51819) & 386 (51979--54777) \\ 
\hline
\end{tabular}
\end{table}