\begin{table}%t7
\par
\caption{\label{Tab:age} Logarithmic production ratios (PR)
for the HEW model and Solar System $r$-process (SSr) and 
  corresponding radioactive decay ages in {\LyudmilasStar}. 
}
\small%\centering
\par
 \begin{tabular}{cccrccr}
 \hline\hline\noalign{\smallskip}
   Element & Stellar & \multicolumn{2}{c}{HEW $S=10\dots 300$} & & 
   \multicolumn{2}{c}{SSr} \\
   \cline{3-4}
   \cline{6-7}
   pair  & ratio   &  PR      & \multicolumn{1}{c}{age,} &  Error, 
         &  PR   & \multicolumn{1}{c}{age,} \\
         &         &          & \multicolumn{1}{c}{Gyr} & Gyr &  & Gyr \\
\hline
   Th/Ba & $-1.37$ &  $-0.96$ & 19.1~~~~  &  9.4 & $     $ &	\\
   Th/La & $-0.57$ &  $-0.22$ & 16.3~~~~  &  9.4 & $     $ &	\\
   Th/Ce & $-1.04$ &  $-0.62$ & 19.6~~~~  &  9.8 & $     $ &	\\
   Th/Pr & $-0.52$ &  $-0.20$ & 14.9~~~~  &  9.8 & $     $ &	\\
   Th/Nd & $-1.06$ &  $-0.87$ &  8.9~~~~  & 10.0 & $     $ &	\\
   Th/Sm & $-0.75$ &  $-0.71$ &  1.9~~~~  & 10.2 & $-0.62$ &  6.1 \\
   Th/Eu & $-0.38$ &  $-0.32$ &  2.8~~~~  &  9.4 & $-0.32$ &  2.8 \\
   Th/Gd & $-0.95$ &  $-0.73$ & 10.3~~~~  &  9.9 & $-0.82$ &  6.1 \\
   Th/Tb & $-0.16$ &  $     $ &       &      & $-0.11$ &  2.3 \\
   Th/Dy & $-1.07$ &  $-0.69$ & 17.7~~~~  &  9.8 & $-0.91$ &  7.5 \\
   Th/Ho & $-0.36$ &  $ 0.04$ & 18.7~~~~  & 10.4 & $-0.27$ &  4.2 \\
   Th/Er & $-0.87$ &  $-0.48$ & 18.2~~~~  & 10.2 & $-0.69$ &  8.4 \\
   Th/Tm & $-0.02$ &  $ 0.22$ & 11.2~~~~  & 10.0 & $ 0.08$ &  4.7 \\
   Th/Hf & $-0.35$ &  $ 0.20$ & 25.7~~~~  & 11.7 & $     $ &      \\
   Th/Os & $-1.50$ &  $-0.93$ & 26.6~~~~  & 13.2 & $-1.26$ & 11.2 \\
   Th/Ir & $-1.62$ &  $     $ &       & 10.1 & $-1.17$ & 21.0 \\
   \noalign{\smallskip}
   \multicolumn{3}{l}{~~~mean(Ba--Ir)}  & \multicolumn{2}{l}{~~15.1~$\pm$~7.4} & \multicolumn{2}{r}{7.4~$\pm$~5.5}  \\
   \noalign{\smallskip}
   \multicolumn{3}{l}{~~~final} & \multicolumn{2}{l}{~~13.3~$\pm$~6.2} & \multicolumn{2}{r}{5.9~$\pm$~2.8}  \\
   \multicolumn{3}{l}{} & \multicolumn{2}{l}{~~(Ba--Tm)} & \multicolumn{2}{r}{(Sm--Os)}  \\
   \hline
 \end{tabular}
 \vspace*{-2mm}
\end{table}