\begin{table}%t2 \caption{Location of the stars according to Fig.~\ref{fig1}. The results for the individual stars are listed in Table \ref{result}. \label{legend}} %\centerline { \begin{tabular}[h]{lcccccc} \hline \hline Diagram & (1) & (2) & (3) & (4) & (5) & (6) \\ $\Delta a$ & $-$ & $-$ & $-$ & & & \\ $\Delta(V1 - G)/Z$ & $-$ & $-$ & +/$-$ & +/$-$ & + & \\ $m_1$/$m_2$ & $-$ & & $-$ & $-$ & + & \\ $m_1$ & & & & & & +/$-$ \\ \hline \end{tabular}} \par \smallskip A plus sign means that the objects are located within the area of the spectroscopic binary models. \end{table}