\begin{table}%t1 \caption{\label{t1}Photometric and lensing observables and estimated stellar \ML\ ratio for the 21 SLACS lenses.} %\centerline { \small\begin{tabular}{ccccccccc} \hline\hline Name & $z_L$ & $z_S$ & $M_V$ & $R_{\rm eff}$ & $R_{\rm E}$ & $\sigma_{\rm ap}$ & $R_{\rm ap}/R_{\rm eff}$ & \Yst\ \\ \hline J002907.8-005550 & 0.2270 & 0.9313 & --21.53 & 1.48 & 0.82 & $229 \ {\pm} \ 18$ & $1.01$ & $1.85 \ {\pm} \ 0.15$ \\ J015758.9-005626 & 0.5132 & 0.9243 & --22.16 & 0.93 & 0.72 & $295 \ {\pm} \ 47$ & $1.61$ & $2.00 \ {\pm} \ 0.45$ \\ J021652.5-081345 & 0.3317 & 0.5235 & --22.95 & 2.79 & 1.15 & $333 \ {\pm} \ 23$ & $0.54$ & $2.12 \ {\pm} \ 0.09$ \\ J025245.2+00358 & 0.2803 & 0.9818 & --21.67 & 1.69 & 0.98 & $164 \ {\pm} \ 12$ & $0.89$ & $2.19 \ {\pm} \ 0.29$ \\ J033012.1-002052 & 0.3507 & 1.0709 & --21.86 & 1.17 & 1.06 & $212 \ {\pm} \ 21$ & $1.28$ & $2.49 \ {\pm} \ 0.15$ \\ J072805.0+383526 & 0.2058 & 0.6877 & --21.80 & 1.33 & 1.25 & $214 \ {\pm} \ 11$ & $1.13$ & $1.80 \ {\pm} \ 0.15$ \\ J080858.8+470639 & 0.2195 & 1.0251 & --21.77 & 1.65 & 1.23 & $236 \ {\pm} \ 11$ & $0.91$ & $2.20 \ {\pm} \ 0.15$ \\ J090315.2+411609 & 0.4304 & 1.0645 & --22.25 & 1.28 & 1.13 & $223 \ {\pm} \ 27$ & $1.17$ & $2.09 \ {\pm} \ 0.15$ \\ J091205.3+002901 & 0.1642 & 0.3239 & --22.95 & 5.50 & 1.61 & $326 \ {\pm} \ 16$ & $0.27$ & $1.45 \ {\pm} \ 0.07$ \\ J095944.1+041017 & 0.1260 & 0.5350 & --20.94 & 1.99 & 1.00 & $197 \ {\pm} \ 13$ & $0.75$ & $2.09 \ {\pm} \ 0.10$ \\ J102332.3+423002 & 0.1912 & 0.6960 & --21.56 & 1.40 & 1.30 & $242 \ {\pm} \ 15$ & $1.07$ & $2.54 \ {\pm} \ 0.09$ \\ J110308.2+532228 & 0.1582 & 0.7353 & --22.02 & 3.22 & 0.84 & $196 \ {\pm} \ 12$ & $0.46$ & $1.10 \ {\pm} \ 0.06$ \\ J120540.4+491029 & 0.2150 & 0.4808 & --22.00 & 1.92 & 1.04 & $281 \ {\pm} \ 14$ & $0.78$ & $1.98 \ {\pm} \ 0.16$ \\ J125028.3+052349 & 0.2318 & 0.7953 & --22.17 & 1.64 & 1.15 & $252 \ {\pm} \ 14$ & $0.91$ & $2.18 \ {\pm} \ 0.10$ \\ J140228.1+632133 & 0.2046 & 0.4814 & --22.20 & 2.29 & 1.39 & $267 \ {\pm} \ 17$ & $0.65$ & $1.50 \ {\pm} \ 0.08$ \\ J142015.9+601915 & 0.0629 & 0.5351 & --21.04 & 2.49 & 1.04 & $205 \ {\pm} \ 10$ & $0.60$ & $1.24 \ {\pm} \ 0.10$ \\ J162746.5-005358 & 0.2076 & 0.5241 & --22.06 & 2.47 & 1.21 & $290 \ {\pm} \ 15$ & $0.61$ & $1.80 \ {\pm} \ 0.89$ \\ J163028.2+452036 & 0.2479 & 0.7933 & --22.31 & 2.01 & 1.81 & $276 \ {\pm} \ 16$ & $0.75$ & $2.42 \ {\pm} \ 0.09$ \\ %J223840.2+075456 & 0.1371 & 0.7126 & --21.58 & 2.33 & 1.20 & %$198 \ {\pm} \ 11$ & $0.64$ & $ ------ $ \\ J230053.2+002238 & 0.2285 & 0.4635 & --22.06 & 2.22 & 1.25 & $279 \ {\pm} \ 17$ & $0.68$ & $1.98 \ {\pm} \ 0.16$ \\ J230321.7+142218 & 0.1553 & 0.5170 & --22.40 & 3.73 & 1.64 & $255 \ {\pm} \ 16$ & $0.40$ & $2.49 \ {\pm} \ 0.08$ \\ J234111.6+000019 & 0.1860 & 0.8070 & --22.14 & 3.20 & 1.28 & $207 \ {\pm} \ 13$ & $0.47$ & $2.89 \ {\pm} \ 0.15$ \\ \hline \end{tabular}} \end{table}