\begin{table}%t4 \caption{\label{table:darkmatter}Mass models for Malin~1 and NGC~7589.} %\centerline {\small \begin{tabular}{l c c} \hline \hline Parameter & MALIN 1 & NGC 7589 \\ \hline $M_{*}/L_{R}$ ($M_{\odot}/L_{\odot}$) & 3.4 & 2.5\\ $\rho_{0}$ ($10^{-3} \; M_{\odot}$ pc$^{-3}$) & $121.4 \pm 93.8$ & $2.3 \pm 0.3$\\ $r_{\rm{C}}$ (kpc) & $2.2 \pm 0.9$ & $19.9 \pm 2.0$\\ $\chi^{2}_{r}$ & 4.6 & 4.0\\ \hline $M_{\rm{HSB}}/L_{R}$ ($M_{\odot}/L_{\odot}$) & 3.3 & 2.6\\ $M_{\rm{LSB}}/L_{R}$ ($M_{\odot}/L_{\odot}$) & 0.9 & 0.9\\ $\rho_{0}$ ($10^{-3} \; M_{\odot}$ pc$^{-3}$) & $73.9 \pm 36.5$ & $2.4 \pm 0.2$\\ $r_{\rm{C}}$ (kpc) & $2.9 \pm 0.8$ & $20.7 \pm 1.6$\\ $\chi^{2}_{r}$ & 3.1 & 2.7\\ \hline \end{tabular}} \tablefoot{\textit{Top}: mass models using a single stellar component and maximizing the stellar mass-to-light ratio. \textit{Bottom}: mass models using a HSB-LSB decomposition. The stellar mass-to-light ratio of the LSB disk was fixed at 0.9, whereas that of the HSB disk was maximized. See text for details.} \end{table}