\begin{table}%t3 \caption{\label{table-modelparams}Estimated diameter of the envelope, position of the secondary source, and respective fluxes, relative to the total flux. } %\centerline {\small \begin{tabular}{lccccccc} \hline \hline & \multicolumn{2}{c}{AMBER (model fitting)} & \multicolumn{2}{c}{AMBER (image reconstruction)}& \multicolumn{3}{c}{MIDI (2006)} \\ \hline Wavelength (\micron) & 1.55 & 2.45 & $H$-band & $K$-band & 8.1 & 10.5 & 12.9 \\ \hline &\multicolumn{2}{c}{Point + Gaussian + Background}&\multicolumn{2}{c}{Image}& \multicolumn{3}{c}{Point + Gaussian + Background}\\ %\hline Envelope size (mas) & $3.1 \pm 0.1$ & $4.5 \pm 0.1$ & -- & -- & $\leq$6.5 & $\leq$10.6 & $\leq$3.5 \\ %\hline Envelope flux (\% total flux) & $61 \pm 2$ & $72\pm2$ & $\approx$46 & $\approx$59 & $17 \pm 2$ & $9 \pm 1$ & $ 6.3 \pm 0.5$ \\ %\hline Background flux (\% total flux) & $12\pm2$ & $9\pm2$ & $\approx$44 & $\approx$25 & $69 \pm 13$ & $77 \pm 9$ & $75 \pm 9$ \\ %\hline Secondary flux (\% total flux) & $27\pm1$ & $19\pm1$ & $\approx$10 & $\approx$16 &$14\pm3$ & $15\pm2$ & $19\pm2$ \\ %\hline Secondary separation (mas) & \multicolumn{2}{c}{$33.48\pm0.03$} & $34.5\pm0.5$ & $34.6\pm0.5$ & \multicolumn{3}{c}{$36.8\pm0.1$} \\ %\hline Secondary PA ($^\circ$) & \multicolumn{2}{c}{$-4.50\pm0.03$} & $-2.5\pm0.8$ & $-4.1\pm0.8$ & \multicolumn{3}{c}{$-26.1\pm1.7$} \\ \hline \end{tabular}} \medskip The envelope flux includes both the southern component and its compact circumstellar envelope fluxes. The errors given for the model-fitting reflects only formal estimates from the $\chi^2$ value. \end{table}