\begin{table}%t2 %\centering \par \caption{\label{data.AandB}Basic data of G~125--15~AB and G~125--14.} \begin{tabular}{@{} lcc @{}} \hline \hline \noalign{\smallskip} & G~125--15 AB & G~125--14 \\ \noalign{\smallskip} \hline \noalign{\smallskip} $\alpha^{\rm J2000}$ & 19 31 12.57 & 19 31 11.75 \\ $\delta^{\rm J2000}$ & +36 07 30.1 & +36 08 14.8 \\ \noalign{\smallskip} $u$ [mag] & $17.094\pm0.009$ & $18.598\pm0.020$ \\ % 3551 SDSS $B$ [mag] & $15.61\pm0.05$ & $16.58\pm0.06$ \\ % 4407 Johnson $g$ [mag] & $15.075\pm0.003$ & $16.072\pm0.003$ \\ % 4686 SDSS $V$ [mag] & $14.12\pm0.09$ & $15.16\pm0.10$ \\ % 5537 Johnson $r$ [mag] & $14.148\pm0.010$ & $14.690\pm0.003$ \\ % 6165 SDSS $R$ [mag] & $12.60\pm0.06$ & $13.71\pm0.06$ \\ % 6469 Johnson $i$ [mag] & ... & 13.852$\pm$0.010 \\ % 7481 SDSS $I$ [mag] & $11.02\pm0.05$ & $12.30\pm0.05$ \\ % 7886 Johnson $z$ [mag] & ... & 13.327$\pm$0.003 \\ % 8931 SDSS $J$ [mag] & $9.609\pm0.022$ & $10.924\pm0.022$ \\ $H$ [mag] & $9.061\pm0.020$ & $10.408\pm0.020$ \\ $K_{\rm s}$ [mag] & $8.839\pm0.019$ & $10.137\pm0.019$ \\ $[3.6]$ [mag] & $8.9\pm0.2$ & $10.0\pm0.2$ \\ $[4.5]$ [mag] & $8.59\pm0.01$ & $9.90\pm0.05$ \\ $[5.8]$ [mag] & $8.45\pm0.01$ & $9.79\pm0.05$ \\ $[8.0]$ [mag] & $8.39\pm0.01$ & $9.71\pm0.05$ \\ \noalign{\smallskip} Sp. type & M$4.5\pm0.5$Ve & M$4.5\pm0.5$V \\ $V_r$ [km~s$^{-1}$] & $-23\pm5$\tablefootmark{a} & $-26\pm2$ \\ p{\it EW}(H$\alpha$) [\AA] & $-5.8\pm0.7$ & $<$+0.13 \\ p{\it EW}(Li~{\sc i}) [\AA] & $<$+0.13 & $<$+0.13 \\ \noalign{\smallskip} $M_J$ [mag] & $7.5^{+0.7}_{-0.8}$ & $8.8^{+0.7}_{-0.8}$ \\ ${\mathcal M}$ [$M_\odot$]& $0.18\pm0.06$ / $0.18\pm0.06$ & $0.18\pm0.05$ \\ \noalign{\smallskip} \hline \end{tabular} \tablefoot{\tablefoottext{a}{We tabulate the mean radial velocity of G~125--15~AB. The individual values were $-43\pm5$ and $-3\pm5$~km~s$^{-1}$ for the components A and B, respectively.}} \vspace*{6mm} \end{table}