\begin{table}%ta.4
\caption{\label{table:photo-rulup}Photometric flux measurements of RU~Lup.}
 %\centerline
 {\small \begin{tabular}{llr}
\hline\hline
      Wavelength [${\rm \mu m}$] & Flux [Jy] & Ref. \\
\hline
      $0.36  $ & $0.016  $ & { 1} \\ 
      $0.44  $ & $0.073  $ & { 1} \\ 
      $0.55  $ & $0.115  $ & { 1} \\ 
      $0.64  $ & $0.184  $ & { 1} \\ 
      $0.79  $ & $0.290  $ & { 1} \\ 
      $1.25$ & $0.51 \pm 0.01$ & { 2} \\
      $1.25$ & $0.72 \pm 0.02$ & { 3} \\
      $1.25$ & $0.41 \pm 0.01$ & { 3} \\
      $1.65$ & $0.76 \pm 0.03$ & { 2} \\
      $1.65$ & $1.02 \pm 0.03$ & { 3} \\
      $1.65$ & $0.62 \pm 0.02$ & { 3} \\
      $2.20$ & $0.89 \pm 0.02$ & { 2} \\
      $2.20$ & $1.29 \pm 0.02$ & { 3} \\
      $2.20$ & $0.75 \pm 0.03$ & { 3} \\
      $3.50  $ & $1.16  $ & { 4} \\ 
      $3.50  $ & $1.77 \pm 0.07  $ & { 3} \\
      $3.50  $ & $1.0 \pm 0.10 $ & { 3} \\
      $4.80  $ & $1.5  $ & { 4} \\
      $4.80  $ & $1.5 \pm 0.2  $ & { 3} \\
      $4.80  $ & $0.6 \pm 0.3 $ & { 3} \\
      $15$ & $2.22$ & { 5} \\
      $20$ & $2.80$ & { 5} \\
      $25  $ & $  4.64 $ & { 4} \\
      $60  $ & $  4.68 $ & { 4} \\ 
      $100 $ & $  5.70 $ & { 4} \\ 
      $1300$ & $  0.197\pm0.007 $ & { 6} \\
      $1400$ & $0.159\pm0.010$ & { 7}\\
      \hline
      \end{tabular}}
\medskip
References~-- {1}: Gahm et~al. (\cite{gahm}); {2}: 2~MASS catalogue~(Cutri et~al. \cite{cutri}); {3}: Giovannelli et~al. (\cite{giovannelli}); {4}:~Gezari catalogue (\cite{gezari}); { 5}: Gras-Vel\'azquez \&  Ray (\cite{gras-velazquez}); {6}: N\"urnberger et~al. (\cite{nuernberger}); {7}: Lommen et~al. (\cite{lommen}).
  \end{table}