\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}