\begin{table}%T1 \caption{\label{tab:table1}Observing log.} \small %\centerline { \begin{tabular}{@{\excs}ccccccccccc} \hline\hline UT Date & Name & Instrument & Mode &Filter & Camera & Airmass & Seeing & EC$^a$ & Exp. & Note \\ & & & & (grism) & & & & & time & \\ & & & & & & & (arcsec) & (\%) & (s) & \\ \hline 2004/03/05 & TWA22AB & NACO & imaging & \textit{NB\_2.17} & S27 & 1.16 & 1.23 & 16.5 & 20 & \\ 2004/03/05 & TWA22AB & NACO & imaging & \textit{NB\_1.24} & S13 & 1.15 & 1.40 & 27.7 & 120 & \\ 2004/04/27 & TWA22AB & NACO & imaging & \textit{NB\_1.75} & S27 & 1.16 & 0.84 & 48.2 & 6 & \\ 2005/05/06 & TWA22AB & NACO & imaging & \textit{H} & S13 & 1.15 & 0.72 & 12.5 & 5 & \\ 2006/01/08 & TWA22AB & NACO& imaging & \textit{J} & S13 & 1.16 & 0.84 & 17.5 & 50 & \\ 2006/01/08 & TWA22AB & NACO & imaging & \textit{H} & S13 & 1.17 & 0.65 & 17.4 & 50 & \\ 2006/02/26 & TWA22AB & NACO & imaging & \textit{H} & S13 & 1.15 & 1.10 & 32.1 & 150 & \\ 2006/02/26 & TWA22AB & NACO & imaging & \textit{K}$_{s}$ & S27 & 1.15 & 1.50 & 10.2 & 50 & \\ 2007/03/06 & TWA22AB & NACO & imaging & \textit{H} & S13 & 1.15 & 0.60 & 45.7 & 103.5 & \\ 2007/12/04 & TWA22AB & NACO & imaging & \textit{H} & S13 & 1.28 & 1.00 & 34.4 & 150 & \\ 2007/12/26 & TWA22AB & NACO & imaging & \textit{H} & S13 & 1.16 & 0.90 & 39.9 & 150 & \\ 2007/02/12 & TWA22AB & SINFONI& spectroscopy & \textit{J} (2000) & 25 & 1.18 & 1.56 & 12.1 & 1080 & \\ 2007/02/13 & TWA22AB & SINFONI & spectroscopy & \textit{J} (2000) & 25 & 1.16 & 0.98 & 18.5 & 1080 & \\ 2007/02/13 & HIP049201 & SINFONI & spectroscopy & \textit{J} (2000) & 25 & 1.13 & 0.86 & 27.0 & 20 & Telluric Std \\ 2007/02/13 & HIP038858 & SINFONI & spectroscopy & \textit{J} (2000) & 25 & 1.14 & 0.78 & 28.5 & 20 & Telluric Std \\ 2007/02/12 & HIP035208 & SINFONI & spectroscopy & \textit{J} (2000) & 25 & 1.17 & 1.17 & 15.2 & 60 & Telluric Std \\ 2007/02/11 & TWA22AB & SINFONI & spectroscopy & \textit{H+K} (1500) & 25 & 1.16 & 0.89 & 29.5 & 960 & \\ 2007/02/09 & TWA22AB & SINFONI& spectroscopy & \textit{H+K} (1500) & 25 & 1.52 & 1.00 & 17.2 & 960 & \\ 2007/02/11 & HIP052202 & SINFONI& spectroscopy & \textit{H+K} (1500) & 25 & 1.19 & 0.93 & 24.7 & 20 & Telluric Std \\ 2007/02/09 & HIP052202 & SINFONI& spectroscopy & \textit{H+K} (1500) & 25 & 1.55 & 1.22 & 14.0 & 40 & Telluric Std \\ \hline \end{tabular}} \smallskip $^a$ {Corresponds to the mean strehl ratio for the spectroscopic observations.} \end{table}