\begin{table}%t1
\par
\caption {\label{tab:resultsHEAO}Most probable values of the propagation parameters for different models, using B/C data (HEAO-3 only).}
%\centerline
 {
\begin{tabular}{cccccc} 
\hline\hline
Model & $\lambda_{0}$   &      $R_0$          &         $\delta$        &     ${\cal V}_a$       &  $\chi_{{\rm min}}^2/$d.o.f. \\ 
      &  (g cm$^{-2}$)  &      (GV)           &                         & (km s$^{-1}$~kpc$^{-1}$)  & \\\hline
I     & $\rm 54^{+2}_{-2}$  & $\rm 4.2^{+0.3}_{-0.9}$ &  $\rm 0.70^{+0.01}_{-0.01}$ &        \dots         & 3.35\\
II    & $\rm 26^{+2}_{-2}$  &          \dots          &  $\rm 0.52^{+0.02}_{-0.02}$ & $\rm 88^{+6}_{-11}$  & 1.43\\
III   & $\rm 30^{+5}_{-4}$  & $\rm 2.8^{+0.6}_{-0.8}$ &  $\rm 0.58^{+0.01}_{-0.06}$ & $\rm 75^{+10}_{-13}$ & 1.30\\\hline
\end{tabular}}
\par
\smallskip
Note~1:  {Obtained after marginalising over the other parameters. The uncertainties
correspond to~68\% CL of the marginalised PDF (see Appendix~\ref{s:CL}). The last column shows the minimum $\chi^2/$d.o.f.
obtained for each model (see Table~\ref{tab:resultsBestFit} for the best-fit parameters).}
\end{table}