\begin{table}%t1
\caption{Summary of astrophysical data. \label{T1}}
%\centerline
 { \begin{tabular}{lll}
  \hline\hline\noalign{\smallskip}
  Parameter                & PW And & Reference   \\
  \noalign{\smallskip}\hline\noalign{\smallskip}
  Spectral type            & K2V  & L\'opez-Santiago et~al. \\
  age                      & 30--80 Myr & L\'opez-Santiago et~al. \\
                           & $\approx$20 Myr & this paper \\
  $b-y$                    & 0\fm535 & Nordstr\"om et~al. (\cite{GC}) \\
  $(V-I)_C$                & 1\fm06 & this paper \\
  $\log g$                 & 4.5 & (adopted) \\
  $T_{\rm phot}$           & 5000 K  & this paper \\
  $T_{\rm average}$$^1$    & 4800~$\pm~$50 K  & this paper \\
  $v\sin i$                & 23.9~$\pm$~0.2 km~s$^{-1}$  & this paper \\
  Rotation period          & 1\fd76159~$\pm$~0.00006   & this paper \\
  Inclination              & 46\degr~$\pm$~6$\degr$ & this paper       \\
  Radius                   & 1.16$^{+0.15}_{-0.11}$ $R_\odot$ & this paper \\
%  $M_{\rm V}$              & +5\fm78 & this paper \\
  Luminosity               & 0.64~$L_\odot$ & this paper \\
  Mass                     & 1.07 $M_\odot$ & this paper \\
  $\log n$(Li)             & $2.87\pm0.05$ & this paper \\
  $\log n$(Fe)             & $7.50\pm0.02$ & this paper \\
  $\log n$(Ca)             & $6.02\pm0.02$ & this paper \\
  \hline
 \end{tabular}}
\par
\smallskip
 $^1$ Brightness-averaged temperature from the Doppler images.%\vspace{4mm}
\end{table}