\begin{table}%t3
  \caption{\label{tab2B}Effect of varying the intrinsic flux distribution at sub-resolution scales: fit results.}
  \small
  %\centering
\par
  \begin{tabular}{l c c c c c}
    \hline\hline
    \noalign{\smallskip}
    Parameter & \multicolumn{4}{c}{Fit result} & Model value\\
    \noalign{\smallskip}
    & flux distribution A\tablefootmark{f} & flux distribution B\tablefootmark{f} & flux distribution C\tablefootmark{f} & flux distribution D\tablefootmark{f} &\\
      \hline
   \noalign{\smallskip}
   $\theta_{\rm LON}\ \ \ [^{\circ}]\ \ \ \ ({\rm LON\  fit})$             & $-1.0\pm1.3$  & $0.9\pm1.1$ & $-4.1\pm1.3$ & $5.7\pm8.3$ & $0.00$\\
   $b\ \ \ [\arcsec]\ \ \ \ \ ({\rm LON\  fit})$                               & $0.001\pm0.002$  & $0.000\pm0.002$ & $0.002\pm0.003$ & $0.02\pm0.01$ & $0.00$\\
   \noalign{\smallskip}
    $\log_{10}(M_{\rm BH}/M_\odot) $ & $7.91\pm 0.02$ & $8.16\pm 0.03$ & $8.04\pm0.03$ & $8.13\pm 0.10$ & $8.00$\\
   $\log_{10}(M/L)\ \ \ [ M_\odot/L_\odot ]\ \ $ & $-8.23$\tablefootmark{a} & $-7.41$\tablefootmark{a} & $-8.15$\tablefootmark{a}  & $-6.68$\tablefootmark{a} & $0.00$\\
   $S_0\ \ \ [\arcsec]$                    & $0.012\pm0.008$  & $-0.01\pm0.03$ & $-0.01\pm0.01$ & $0.02\pm0.03$ & $0.00$\\
   $V_{\rm sys}\ \ \ [{\rm km~s^{-1}}]$                              & $534\pm 18$ & $494\pm32$ & $478\pm35$ & $500\ ^b$ & $500$\\
   $i\ \ \ [^{\circ}]$                                & 35.0\tablefootmark{b} & 35.0\tablefootmark{b} & 35.0\tablefootmark{b} & 35.0\tablefootmark{b} & $35.0$\\
   $\Delta_{\rm sys}\ \ \ [{\rm km~s^{-1}}]$                             & $8$ & $28$ & $22$ & $0$ & $-$ \\
   \noalign{\smallskip}
      reduced $\chi^2 \ \ \ (\chi^2/{\rm d.o.f.})$ & $1.05\ \ (5.25/5)$ & $1.05\ \ (4.19/4)$ & $1.05\ \ (6.28/6)$ & $1.006\ \ (1.006/1)$ & $-$\\
   \noalign{\smallskip}
   $x_{\rm BH}\ \ \ [\arcsec]$                           & $0.012\pm 0.008$ & $-0.01 \pm 0.03$ & $-0.01\pm0.01$ & $0.02\pm0.03$ & $0.00$  \\
   $y_{\rm BH}\ \ \ [\arcsec]$                             & $0.001\pm 0.002$ & $0.001 \pm 0.003$ & $0.001\pm 0.002$ & $0.02\pm 0.02$ & $0.00$ \\
      \hline
 \end{tabular} 
\tablefoot{\tablefoottext{f}{Flux distribution. A: exponential centered on $(0\arcsec,0\arcsec)$ with $r_0=0.05\arcsec$. B:~exponential centered on $(0\arcsec,0\arcsec)$ with $r_0=0.15\arcsec$. C:~exponential centered on $(0\arcsec,0\arcsec)$ with $r_0=0.05\arcsec$ and a central hole of radius $r_{\rm h}=0.04\arcsec$. D: exponential centered on $(0.1\arcsec,0.1\arcsec)$ with $r_0=0.05\arcsec$.}
\tablefoottext{a}{Parameter not constrained from the fit;}
\tablefoottext{b}{parameter hold fixed.}}
\end{table}