\begin{table}%t3
%\centering
\par
\caption{\label{Tab:StarChar}Astrophysical parameters from spectroscopy and Str\"omgren photometry, lithium abundance, and chromospheric/coronal luminosities.}
\begin{tabular}{lcccccccccc}
\hline \hline\noalign{\smallskip}
Name & $T_{\rm eff}$\tablefootmark{1} & $\log g$\tablefootmark{1} & [Fe/H]\tablefootmark{1} & $T_{\rm eff}$\tablefootmark{2} & $R$\tablefootmark{2} & $\delta m_0$\tablefootmark{2} & $E(b-y)$\tablefootmark{2} & $W_{\rm Li}$ / $\log N{\rm(Li)}$ & $W_{\rm H\alpha}^{em}$/$\log L_{\rm H\alpha}$ & $\log L_X$\\
& (K) & & & (K) & ($R_{\sun}$) & & (mag) & ($\AA$) / &(\AA) / (erg~s$^{-1}$) & (erg~s$^{-1}$)\\
\hline
BD+78~853 & 5738 & 4.19 & $-$0.03 & 5750 & 0.98 & 0.032 & 0.068 & 0.18 / 3.05 & 0.31 / 29.5 & 30.6 \\
TYC 4496-780-1  & 5844 & 4.17 & $-$0.04 & 5650 & 0.99 & 0.012 & 0.024 & 0.18 / 3.14 & 3.90 / 30.6 & 30.4 \\
TYC 4500-1478-1 & 5160 & 4.30 & $-$0.06 & 5330 & 0.88 & 0.052 & 0.099 & 0.30 / 3.09 & 0.97 / 29.6 & 30.4 \\
BD+78~19       & 5444 & 4.14 & $-$0.11 & 5630 & 0.96 & 0.003 & 0.040 & 0.22 / 3.00 & 0.21 / 29.5 & 30.2 \\
\hline
\end{tabular}
\tablefoot{\tablefoottext{1}{Derived from spectra;}
\tablefoottext{2}{derived from Str\"omgren photometry.}}\vspace*{-2mm}
\end{table}