\begin{table}%t1
%\centering
\par
\caption{\label{propstar}Stellar parameters of $\epsilon$~Ophiuchi, $\eta$~Serpentis, $\delta$~Eridani, and $\beta$~Hydri.}
\begin{tabular}{lcccc}
\hline\hline
\noalign{\smallskip}
parameter & $\epsilon$~Ophiuchi & $\eta$~Serpentis  & $\delta$~Eridani & $\beta$~Hydri\\
\hline\\[-3.2mm]
$T_{{\rm eff}}$ [K] & $4970 \pm 80$\tablefootmark{a} & $4955 \pm 80$\tablefootmark{a} & $5050\pm100$\tablefootmark{h} & $5872 \pm 44$\tablefootmark{j}\\
$R$ [$R_{\odot}$] & $10.4 \pm 0.45$\tablefootmark{{b+d,c}} & $5.914 \pm 0.094$\tablefootmark{{b+d}} or $5.794 \pm 0.097$\tablefootmark{f} & $2.33 \pm 0.03$\tablefootmark{i} & $1.814 \pm 0.017$\tablefootmark{j}\\
$M$ [$M_{\odot}$] & $2.0$\tablefootmark{{c}} & $2.42 \pm 0.2$\tablefootmark{f} or $1.72^{+0.15~g}_{-0.11}$ & $1.1215$\tablefootmark{i} & $1.07 \pm 0.03$\tablefootmark{j}\\
${\rm [Fe}/{\rm H]}$ & $-0.07 \pm 0.11$\tablefootmark{{a}} & $-0.15 \pm 0.11$\tablefootmark{{a}} & $0.13 \pm 0.03$\tablefootmark{h} & $-0.2$\tablefootmark{k} \\
$\log g$ (c.g.s.) & $2.9 \pm 0.15$\tablefootmark{{a}} & $3.2 \pm 0.15$\tablefootmark{a} & $3.77 \pm 0.16$\tablefootmark{h} & $3.952 \pm 0.005$\tablefootmark{j}\\
$\upsilon {\rm sin}i$ [km~s$^{-1}$] & $3.5 \pm 0.5$\tablefootmark{{a}} & $0.44 \pm 0.44$\tablefootmark{a}  & $2.3\pm0.5$\tablefootmark{e} & $3.3 \pm 0.3$\tablefootmark{e}\\
$\xi_{\rm micro}$ [km~s$^{-1}$]  & $1.5 \pm 0.1$\tablefootmark{{a}} & $1.3 \pm 0.1$\tablefootmark{{a}} & & \\
$\xi_{\rm macro}$ [km~s$^{-1}$] & $3.55 \pm 0.45$\tablefootmark{a} & $3.52 \pm 0.45$\tablefootmark{a} & & \\
$\pi$ [mas] & $30.34\pm0.79$\tablefootmark{d} & $52.81\pm0.75$\tablefootmark{d} &  $110.58\pm0.88$\tablefootmark{d} & $133.78 \pm 0.5$\tablefootmark{d} \\
$m_{v}$ [mag] & $3.24\pm0.02$\tablefootmark{d} & $3.23\pm0.02$\tablefootmark{d} & $3.52\pm0.02$\tablefootmark{d} & $2.82 \pm 0.02$\tablefootmark{d}\\
\hline
\end{tabular}
\tablefoot{Effective temperature ($T_{{\rm eff}}$) in Kelvin, radius ($R$) in $R_{\odot}$, mass ($M$) in $M_{\odot}$, metallicity (${\rm [Fe}/{\rm H]}$), surface gravity ($\log g$) in c.g.s units, rotational velocity ($\upsilon \sin i$), microturbulence ($\xi_{\rm micro}$) and macroturbulence ($\xi_{\rm macro}$) in km~s$^{-1}$, parallax ($\pi$) in mas, and apparent magnitude in the $V$~band ($m_{v}$).}\vspace*{-2mm}
\tablebib{\tablefoottext{a}{\citet{hekker2007};} 
\tablefoottext{b}{\citet{richichi2005};} \tablefoottext{c}{\citet{kallinger2008};} 
\tablefoottext{d}{\citet{esa1997};} \tablefoottext{e}{\citet{reiners2003};} 
\tablefoottext{f}{\citet{valenti2005};}
\tablefoottext{g}{\citet{valenti2005} isochrone stellar mass;} \tablefoottext{h}{\citet{santos2004};} 
\tablefoottext{i}{\citet{thevenin2005};} 
\tablefoottext{j}{\citet{north2007};} 
\tablefoottext{k}{\citet{dravins1998}.}}
\vspace*{2mm}\end{table}