\begin{table}%T9
%\centering
\small
\caption{Orbital elements of the possible BL~Cam binary system.}
\label{t9}\begin{tabular}{ll}  \hline\hline
LTT semi-amplitude (s)         &        148($\pm$12)          \\
Eccentricity                   &        0.7($\pm$0.2)         \\ 
Argument of periastron (deg)   &        236($\pm$15)          \\
Orbital period (yr)            &        10.5($\pm$0.2)        \\
Periastron passage             &        HJD~2~448~673($\pm$138) \\
\hline
\end{tabular}
\end{table}