\begin{table}%t5 \caption{\label{tab:compare}Best-fit parameters on B/C data for the LBM.} %\centering \par \begin{tabular}{lcccccc} \hline\hline \noalign{\smallskip} Model & $K_0^{\rm best}\times 10^2$ & $\delta^{\rm best}$ & $R_0$ & $V_{\rm a}^{\rm best}$ & $\chi^2$/d.o.f. \\ Data & (kpc$^2~$Myr$^{-1}$) & & (GV) & (km$\;$s$^{-1}$) & \\ \hline I-F & 2.36 & 0.56 & 5.70 & \dots& 5.52 \\ II-F & 5.26 & 0.38 & \dots& 65.1 & 1.78 \\ III-F& 4.19 & 0.43 & 2.94 & 53.9 & 1.56 \\ III-A & 2.32 & 0.57 & 4.40 & 11.3 & 2.71 \\ III-C & 4.13 & 0.44 & 3.10 & 53.6 & 2.26 \\ III-F & 4.19 & 0.43 & 2.94 & 53.9 & 1.56 \\ \hline \end{tabular} \end{table}