\begin{table}%t1
\caption{\label{tabsol}Points defining the average shape of the $M_{\rm env}$--$T_{\rm eff}$
relation, used to construct the synthetic dependence
for solar metallicity.
}
%\centering
$$
\begin{tabular}{*{2}{r@{}lr@{}lc}}
\hline
\hline
\multicolumn{2}{c}{$\log M_{\rm env, av}$} &
\multicolumn{2}{c}{$\log T_{\rm eff, av}$}  &
&
\multicolumn{2}{c}{$\log M_{\rm env, av}$} &
\multicolumn{2}{c}{$\log T_{\rm eff, av}$}  \\
\cline{1-4}
\cline{6-9}
\phantom{00}  0 & .9   &  \phantom{} 3 & .45       & &
\phantom{0}  --2 & .6   &  \phantom{} 3 & .707 \\
  0 & .8   &  3 & .435     & &   --2 & .85  &  3 & .75 \\
  0 & .7   &  3 & .42      & &   --3 & .0   &  3 & .79 \\
  0 & .6   &  3 & .40      & &   --3 & .1   &  3 & .83 \\
  0 & .5   &  3 & .385     & &   --3 & .12  &  3 & .85 \\
  0 & .4   &  3 & .375     & &   --3 & .14  &  3 & .90 \\
  0 & .3   &  3 & .367     & &   --3 & .15  &  4 & .00 \\
  0 & .2   &  3 & .365     & &   --3 & .16  &  4 & .15 \\
  0 & .1   &  3 & .368     & &   --3 & .18  &  4 & .33 \\
  0 & .0   &  3 & .375     & &   --3 & .2   &  4 & .46 \\
 --0 & .2   &  3 & .395     & &   --3 & .25  &  4 & .67 \\
 --0 & .6   &  3 & .45      & &   --3 & .3   &  4 & .80 \\
 --1 & .0   &  3 & .51      & &   --3 & .4   &  5 & .00 \\
 --1 & .4   &  3 & .56      & &   --3 & .6   &  5 & .26 \\
 --1 & .8   &  3 & .605     & &   --3 & .8   &  5 & .45 \\
 --2 & .2   &  3 & .655     & & & & & \\
\hline
\end{tabular}
$$
\end{table}