\begin{table}%t6
%\centering
\par
\caption{Interpretation of Figs.~\ref{fig:exclude_2} and
  \ref{fig:exclude_3}; for explanations see Sects.~\ref{sec:hotV} and
  \ref{sec:discussion}.\label{tab:discussion}}
\begin{tabular}{lll}
\hline\hline
Possible primary spectral types for solution&Group a--d&Group e--h\\
\hline\noalign{\smallskip}
From mass-temperature relation (Fig.~\ref{fig:exclude_2})& upper limit G5 & region G0--K0, or upper limit M2\\
From mass-radius relation (Fig.~\ref{fig:exclude_3})& upper limit G5 & upper limit M0\\
\noalign{\smallskip}
Combined constraints                & upper limit G5 & upper limit M2\\
Consistency with spectroscopy ($\rm K7\pm2$)& fully consistent &marginally consistent at most\\
\noalign{\smallskip}
Resulting secondary mass [$M_{\sun}$]	& upper limit 0.11 & upper limit 0.076\\
                           	% 0.094$\pm$0.015  & 0.0896$\pm$0.0067\\
Resulting secondary mass [$M_{\sun}$] for K7 & $0.062\pm0.01$& $0.105\pm0.01$\\
%secondary radius [R$_{\sun}$] & upper limit (0.98) & \\
%secondary T$_{\rm eff}$ [K]   & upper limit (3000) & \\
\hline
\end{tabular}
\end{table}