\begin{table}%t2 \caption{\label{table.thesystem}The $\alpha$~Lib + KU~Lib system\tablefootmark{a}.} %\centering \par \begin{tabular}{l cc cc cc l c} \hline\hline \noalign{\smallskip} Star & \object{$\alpha^{02}$ Lib} AB & \object{$\alpha^{01}$ Lib} AB & \object{KU Lib} \\ \hline Flamsteed & 9 Lib & 8 Lib & ... \\ HD & 130841 & 130819 & 128987 \\ HIP & 72622 & 72603 & 71743 \\ $\alpha^{J2000}$ & 14 50 52.71 & 14 50 41.18 & 14 40 31.11 \\ $\delta^{J2000}$ & --16 02 30.4 & --15 59 50.0 & --16 12 33.4 \\ $B$ [mag] & 2.91 & 5.52 & 7.92 \\ $V$ [mag] & 2.75 & 5.15 & 7.24 \\ Spectral type & A4~IV--V + F: & F4~V + M: & G8~V~(k) \\ $\mu_\alpha \cos{\delta}$ [mas~a$^{-1}$]& --105.7~$\pm$~0.2 & --136.3~$\pm$~0.4 & --112.0~$\pm$~0.5 \\ $\mu_\delta$ [mas~a$^{-1}$] & --68.40~$\pm$~0.12 & --59.0~$\pm$~0.3 & --65.0~$\pm$~0.4 \\ $d$ [pc] & 23.24~$\pm$~0.10 & 23.0~$\pm$~0.2 & 23.7~$\pm$~0.3 \\ $V_r$ [km~s$^{-1}$] & +20/--60 & --23.47~$\pm$~0.15 & --23.3~$\pm$~0.2 \\ $U$ [km~s$^{-1}$] & ... & --25 & --23 \\ $V$ [km~s$^{-1}$] & ... & --8 & --7 \\ $W$ [km~s$^{-1}$] & ... & --13 & --14 \\ {[Fe/H]} & ... & --0.07 & +0.02 \\ \hline \end{tabular} \tablefoot {\tablefoottext{a}{Coordinates J2000, proper motions, and parallactic distances from \mbox{van~Leeuwen} (\cite{Leeuwen2007}), $B$ and $V$~magnitudes from Perryman et~al. (\cite{Perryman1997}), spectral types of primaries from Gray et~al. (\cite{Gray2006}), $UVW$ space velocities and [Fe/H]~metallicities from Holmberg et~al. (\cite{Holmberg2009}), and radial velocities from Slipher (\cite{Slipher1904}~-- $\alpha^{02}$~Lib~AB), Duquennoy \& Mayor (\cite{Duquennoy1991}~-- $\alpha^{01}$~Lib~AB), and Nordstr\"om et~al. (\cite{Nordstrom2004}~-- KU~Lib).}}\vspace*{-2mm} \end{table}