\begin{table}%T1
    \caption{\label{tab:measurements} Separation and flux measurements in the four images.}
    \small%\centering
\par
  \begin{tabular}{cccccc}
    \hline
    \hline
    \noalign{\smallskip}
    \# & Band & Separation & PA & Flux ratio & PSF width\\
    && [mas] &&& [mas]\\
    %\noalign{\smallskip}
    \hline
    \noalign{\smallskip}
    1 & $J$   & 142.3 & $44.90^\circ$ & $2.19 \pm 0.11$ & 101.1 \\
    2 & $H$   & 142.4 & $43.34^\circ$ & $2.06 \pm 0.06$ &  72.3 \\
    3 & $K_{\rm s}$ & 143.0 & $43.46^\circ$ & $1.88 \pm 0.05$ &  48.2 \\
    4 & $K_{\rm s}$ & 143.4 & $43.25^\circ$ & $1.88 \pm 0.05$ &  52.9 \\
    %\noalign{\smallskip}
    \hline
  \end{tabular}
\end{table}