\begin{table}%t1
\caption{Hapke parameters of the modeled Mercury image data as a function of wavelength $\lambda$. The initial model is that of Warell (\cite{war04a}) Sol. 1 for the $V$ band. Parameter ranges used while iteratively finding the best solutions are given.  \label{tab:hapkeparams}}
%\centering
\begin{tabular}{lllllll}
\hline \hline 
\multicolumn{1}{c}{$\lambda$ (nm)} & $w$ & $b$ & $c$ & $h$ & $B_{\rm 0}$ & $\bar \theta$ ($^\circ$)\\
\hline
Initial& 0.16     & 0.18       & 1.1      & 0.09  & 2.7   & 8    \\
Range& 0.1--0.4 & 0.16--0.20 & 0.9--1.3 & Fixed & Fixed & 0--40\\
\hline
447  & 0.14     & 0.18       & 1.1      & 0.09  & 2.7   & 20   \\
554  & 0.18     & 0.18       & 1.1      & 0.09  & 2.7   & 20   \\
650  & 0.22     & 0.18       & 1.1      & 0.09  & 2.7   & 20   \\
753  & 0.26     & 0.18       & 1.1      & 0.09  & 2.7   & 20   \\
833  & 0.28     & 0.18       & 1.1      & 0.09  & 2.7   & 20   \\
944  & 0.32     & 0.18       & 1.1      & 0.09  & 2.7   & 20   \\
\hline
\end{tabular} 
\end{table}