\begin{table}%t2
\caption{Physical parameters of the sample stars.}\label{tab_sample}
\small%\centerline
 {
\begin{tabular}{lclccrrcrcl}
\hline
\hline    
%&&&&&&&&&& \\[-8pt]
Name       & Spectral & $T_{\rm eff}$               & $E(B-V)$ & \vsini               &  \vrad  &  Age~$^{{(b)}}$ & Mass~$^{{(b)}}$ & Distance   & Log $L_{\ast}$ & Ref. \\
           & type     & (K)                     &         & (\kms)               & (\kms) & (Myr)                  & ($M_{\odot}$)          &   (pc)     & ($L_{\odot}$)  &     \\
\hline
$\beta$ Pictoris& A5V      & 8200                    & 0.02   & 140                   & +20    & 20                     &   1.75                 & 19.3       & 0.94           & {\tiny 1, 2, 3, 4, 5} \\
HD 135344  & F4V      & 6750                    & 0.15   & 80                    & --3     & 30                     &   1.3                  & 84         & 0.48           & {\tiny 1, 6, 7, 8, 9, 11} \\
HD 100453  & A9       & 7500                    & 0.08   & 39                    & --     & 10                     &   1.7                  & 114        & 0.95           & {\tiny 1, 7, 8, 10, 11} \\
HD 36112   & A5       & 8120                    & 0.07   & 60                    & +17.6  & 5.0                    &   2.0                  & 200        & 1.35           & {\tiny 1, 9, 11, 12, 13} \\
HD 104237  & A4       & 8500                    & 0.10   & 10                    & +14    & 2.4                    &   2.4                  & 116        & 1.55           & {\tiny 1, 7, 11, 12, 14}  \\
HD 163296  & A1Ve     & 8700                    & 0.06   & 133                   & +4     & 4.7                    &   2.2                  & 122        & 1.48           & {\tiny 1, 12, 15, 16} \\
NX PUP     & A0       & 9770                    & 0.19   & 120                   & --     & 2.8                    &   2.4                  & 450        & 1.63           & {\tiny 1, 12, 18, 19, 20}\\
AB Aur     & A0V      & 9800                    & 0.16   & 100                   & +21    &  2.6                   &   2.4                  & 144        & 1.68           & {\tiny 1, 23, 24, 25}  \\
HD 141569  & B9V      & 10~040                   & 0.13   & 236                   & --6.4   & $\geq$5.0             &   2.3                  & 108        & 1.35           & {\tiny 1, 12, 28} \\
HD 100546  & B9V      & 10~470                   & 0.08   & 55                    & +17    & $\geq$9.0             &   2.4                  & 103        & 1.51           & {\tiny 1, 11, 12, 29}  \\
HD 109573  & A0/B9    & 10~500                   & 0.03   & 152                   & +9.4   & $\geq$8.0             &   2.2                  & 67         & 1.37           & {\tiny 1, 17, 21, 22} \\
HD 176386  & B9/B8    & 12~000~$^{{(a)}}$ & 0.19   & 220                   & +7.3   & 3.5                    &   2.7                  & 140        & 1.69           & {\tiny 1, 30} \\
HD 250550  & B7       & 12~800~$^{{(a)}}$ & 0.22   & 110~$^{{(a)}}$ & +31    & 1.0                    &   3.6                  & $\geq$160 & 2.19           & {\tiny 1, 12, 23, 32} \\
HD 85567   & B5V      & 15~200~$^{{(a)}}$ & 0.23   & 60~$^{{(a)}}$  & 0/$-$5   & 1.0                    &   4.2                  & $\geq$480 & 2.54           & {\tiny 1, 12, 33}  \\
HD 259431  & B5       & 15~900~$^{{(a)}}$ & 0.26   & 95~$^{{(a)}}$  & +43    & $\geq$1.0             &   4.4                  & 290$-$800    & 2.52           & {\tiny 1, 12, 23, 32} \\
HD 38087   & B5V      & 16~500~$^{{(a)}}$ & 0.29   & 100~$^{{(a)}}$ & +33    & $\geq$1.0             &   4.6                  & 381        & 2.61           & {\tiny 1, 14}~$^{{(c)}}$\\
HD 76534   & B2       & 20~000~$^{{(a)}}$ & 0.32   & 110~$^{{(a)}}$ & +17    & $\geq$0.5             & $\geq$5               & $\geq$160 & 2.83           & {\tiny 1, 12, 23, 34}  \\
\hline
\end{tabular}}
\medskip
$^{{(a)}}$ $T_{\rm eff}$ and \vsini\ determined from our modeling \citep[see][ for details of the method]{JCB03}; $^{{(b)}}$ ages and masses computed by us from \citet{PALLA93} tracks using the methods described in \citet{TESTI98}; $^{{(c)}}$ luminosity calculated using bolometric   correction.\\
References: (1) SIMBAD data base; (2) \citet{Smith84}; (3)  \citet{Barrado99}; (4) \citet{JCB02}; (5) \citet{crifo97}; (6)  \citet{Malfait98}; (7) \citet{Meeus01}; (8) \citet{Dominik03}; (9)
\citet{Dent05}; (10) \citet{Meeus02}; (11) \citet{Acke04c}; (12)
\citet{VdA98}; (13) \citet{Beskrovnaya99}; (14) \citet{BERTOUT99};
(15) \citet{Cidale01}; (16)~\citet{Mora01}; (17) \citet{Torres03};
(18) \citet{CORCORAN97}; (19) \citet{valenti00}; (20) \citet{BC95};
(21) \citet{Royer02b}; (22) \citet{Gerbaldi99}; (23)
\citet{FINK_JAN84}; (24) \citet{BC93}; (25) \citet{JCB98}; (26)
\citet{Lada85}; (27) \citet{Hernandez04}; (28) \citet{Dunkin97};
(29) \citet{Donati97}; (30) \citet{Siebenmorgen00}; (31)
\citet{Millan-Gabet01}; (32) \citet{JCB03}; (33) \citet{MIRO01};
(34) \citet{klr04}.
\end{table}