\begin{table}%t1 \caption{\label{velocity}Proper motion and radial velocity of the Praesepe cluster and HD~73666.} {\begin{tabular}{ccccccccccccc} \hline \hline\noalign{\smallskip} & RA & Dec & $\pi$ & $\sigma_{\pi}$ & $\mu_{\alpha}\cos(\delta)$ & $\sigma_{\mu_{\alpha}\cos(\delta)}$ & $\mu_{\delta}$ & $\sigma_{\mu_{\delta}}$ & \vr & \errvr & \Teff & \logl\, \\ & & & [mas] & [mas] & [mas/yr] & [mas/yr] & [mas/yr] & [mas/yr] & [\kms] & [\kms] & [K] & [dex] \\ \hline\noalign{\smallskip} Praesepe & 08 40.4 & +19 41 & 5.49 & 0.19 & $-$35.68 & 0.30 & $-$12.72 & 0.25 & 34.5 & 0.0 & (...) & (...) \\ HD~73666 & 08 40.2 & +19 58 & 5.53 & 0.50 & $-$35.52 & 0.62 & $-$13.97 & 0.39 & 34.1 & 0.4 & 9380 & 1.71 \\ \hline \end{tabular}} \smallskip \tablefoot{\vr, \errvr, and \Teff\ of HD~73666 are taken from \citet{luca1}. \logl\, of HD~73666 is taken from \citet{luca2}. All other data are taken from \citet{vanLeeuwen}.} \end{table}