\begin{table}%tD.1
\caption{\label{tab:megacam_mags_fundamental_standard_covmat}Full covariance matrix of the \bdtruc\ MegaCam and Landolt magnitude uncertainties. See Sect.~\ref{sec:flux_interpretation_of_megacam_magnitudes} for details.}
$$ 
  {\mathbf V}_{\rm \bdtruc} = 10^{-6} \times \left (\begin{array}{lllllllll}
 12.3128 &  6.7600 &  6.7600 &  6.7600 &  7.8753 &  7.8753 &  6.7600 &  6.7600 &  6.7600 \\ 
      &  25.6028 &  6.7600 &  6.7600 &  6.7600 &  6.7600 &  6.7600 &  7.7698 &  6.7600 \\ 
      &        &  13.4847 &  8.4173 &  6.7600 &  6.7600 &  6.7600 &  6.7600 &  8.4500 \\ 
      &        &        &  324.4808 &  6.7600 &  6.7600 &  6.7600 &  6.7600 &  8.4500 \\ 
      &        &        &        &  13.4200 &  9.0100 &  6.7600 &  6.7600 &  6.7600 \\ 
      &        &        &        &        &  9.0100 &  6.7600 &  6.7600 &  6.7600 \\ 
      &        &        &        &        &        &  6.7600 &  6.7600 &  6.7600 \\ 
      &        &        &        &        &        &        &  7.9700 &  6.7600 \\ 
      &        &        &        &        &        &        &        &  8.4500 \\    
  \end{array}\right) 
  \ \ \ \ \ \ \ \ \ 
  \begin{array}{l}
    g_{\rm ref} \\
    r_{\rm ref} \\
    i_{\rm ref} \\
    z_{\rm ref} \\
    U_{\rm ref} \\
    B_{\rm ref} \\
    V_{\rm ref} \\
    R_{\rm ref} \\
    I_{\rm ref} \\
  \end{array}
$$
\end{table}