\begin{table}%t7
\caption{Best fit parameters (and corresponding uncertainties)
of our simple model consisting in a Gaussian elliptical envelope
superimposed on a uniform ellipse representing the central star.
The fit was computed on our complete $H$~and $K$~band
data set.
\label{best_param}}
\small%\centering
\par
\begin{tabular}{lcl}
\hline\hline
$\theta_{\rm eq}$ & $2.13 \pm 0.05$~mas & stellar equatorial angular size \\
$\theta_{\rm pol}$ & $1.51 \pm 0.02$~mas & stellar polar angular size \\
$\alpha_1$ & $131.6 \pm 1.4$~deg & azimuth of the stellar equator \\
$\rho_{\rm eq}$ & $2.7 \pm 1.3$~mas & envelope FWHM along stellar equator \\
$\rho_{\rm pol}$ & $17.6 \pm 4.9$~mas & envelope FWHM along stellar pole \\
$f$ & $4.7 \pm 0.3$\% & relative (envelope to star) near-IR flux \\
 \hline
\end{tabular}
\end{table}