\begin{table}%T3 \par \caption{\label{tab:table3}Relative positions and contrasts of TWA22 A and B, with magnitude differences given in the NACO photometric system.} \small%\centerline { \begin{tabular}{ccccccc} \hline \hline UT Date & Filter & Camera & $\Delta\alpha_{\rm J2000}$ & $\Delta\delta_{\rm J2000}$ & $\Delta m$\\ & & & (mas) & (mas) & (mag)\\ \hline 2004/03/05 & $NB2.17$ & S27 & $99 \pm 3$ & $-17\pm 3$ & $0.33 \pm 0.12 $\\ & $NB1.24$ & S13 & & & $0.37 \pm 0.10$\\ 2004/04/27 & $NB1.75$ & S13 & $98 \pm 6$ & $-36 \pm 6$ & $0.41 \pm 0.10$\\ 2005/05/06 & $H-ND$ & S13 & $15 \pm 3$ & $-89 \pm 3$ & $0.66 \pm 0.05$\\ 2006/01/08 & $J$ & S13 & & & $0.40 \pm 0.04$\\ & $H$ & S13 & $-68 \pm 2$ & $-49 \pm 2$ & $0.54 \pm 0.05$\\ 2006/02/26 & $H$ & S13 & $-74 \pm 3$ & $-30 \pm 3$ & $0.54 \pm 0.05$\\ & $K_{s}$ & S27 & & & $0.46 \pm 0.18$\\ 2007/03/06 & $H$ & S13 & $-57 \pm 4$ & $80 \pm2$ & $0.49 \pm 0.03$\\ 2007/12/04 & $H$ & S13 & $19 \pm 3$ & $98 \pm 3$ & $0.52 \pm 0.10$\\ 2007/12/26 & $H$ & S13 & $26 \pm 3$ & $97 \pm 3$ & $0.53 \pm 0.10$\\ \hline %inserts single line \end{tabular}} %\smallskip %Seeing evaluated at 0.55~$\mu$m. \end{table}