\begin{table}%t1
    \caption{\label{Table_hd185395_stelpar}\thetacyg~stellar properties.}
    \small%\centerline
{
      \begin{tabular}{l l c}
        \hline
	\hline
        Parameter       &                      & \thetacyg  \\
	\hline
        Spectral type   &                      & F4V \\
        \vsini          & [\kms]               & 7  \\
        $V$             &                      & 4.49 \\
        $B-V$           &                      & $0.395 \pm 0.015$ \\
        $\pi$           & [mas]                & $54.54 \pm 0.15$  \\
        Distance        & [pc]                 & $18.33\pm 0.05$ \\
        $M_V$           &                      & 3.14 \\
	$[$Fe/H$]$      &                      & $-0.08$ \\
        $T_{\rm eff}$   & [K]                  & 6745 \\
        $\log{g}$       &                      & 4.2  \\
        $M_1$           & [\Msun]              & $1.38 \pm 0.05$ \\
	Age             & [Gyr]                & $1.5_{-0.7}^{+0.6}$  \\
	ppm ($\alpha$)$^\dagger$ & [mas~yr$^{\rm -1}$] & $-8.15$\\
	ppm ($\delta$)$^\dagger$ & [mas~yr$^{\rm -1}$] & $-262.99$\\
        \hline
      \end{tabular}}
\smallskip
  $^\dagger$  The proper motion is affected from the orbital motion that we discuss in Sect.~\ref{sec:ao}.\\
     Note: photometric and astrometric data from the H{\small IPPARCOS} catalogue (\citealt{hipparcos97,vanleeuwen07}); spectroscopic data from \citet{nordstrom04}  and \citet{erspamer03}.
  \end{table}