\begin{table}
%%\begin{center}
\par
%\begin{tabular}{llll}
%\hline
%Dust component & Chemical formula & Shape & Ref.\\
%\hline
%Amorphous olivine	&Mg$_{2x}$Fe$_{2-2x}$SiO$_4$  &Homogeneous Spheres & DO \\
%Amorphous pyroxene	&Mg$_{x}$Fe$_{1-x}$SiO$_3$    &Homogeneous Spheres & DO \\
%Crystalline forsterite	&Mg$_{2}$SiO$_4$  	      &Hollow Spheres	& SP \\
%Crystalline enstatite	&MgSiO$_3$		      &Hollow Spheres	& JA \\
%Amorphous silica 	&SiO$_2$ 		      &Hollow Spheres	& SK \\
%\hline
%\end{tabular}
%%\end{center}
\par
%\caption{Characteristics of the various dust components used in the fitting procedure
%(see section~\ref{sec:t2_fs:compositional_fits}). The chemical formulae and
%assumed grain shapes have been indicated in the second and third column. In the fourth
%column, we give references for the used refractive index data used. The reference
%codes are: DO: Dorschner et~al.\citeyear{Dorschner1995};
%SP: Servoin \& Piriou \citeyear{Servoin1973};
%JA: J\"ager et~al. \citeyear{Jaeger1998};
%SK: Spitzer \& Kleinman \citeyear{1960PhRv..121.1324S}.
%}
%\label{tab:t2_fs:template data}
%\end{table}