\begin{table}%t1
\caption{\label{tab1}Determination methods of radius, mass and age and background consideration.}
\small%\centerline
 {
\begin{tabular}{l|*{5}{l}}
\hline\hline %\noalign{\smallskip}
&&&&&\\[-3mm]
Galaxy & Radius determination   &  Mass determination &  Background  &  Age determination\\
\hline
%\noalign{\smallskip}
&&&&&\\[-3mm]
LMC$^1$          &  King profile fit        & from mass/light ratio from    & mean surface brightness     &  combination of IMF $^8$ \\
             &  half-surface brightness & evolutionary code$^5$         & in annulus at $r \gg R_{\rm c}$   & and  evolutionary code$^5$  \\
SMC$^2$          &  King profile fit        & from mass/light ratio from    & mean surface brightness     & Based on color$-$magnitude  \\
             &  half-surface brightness & evolutionary code$^5$        & in annulus at $r \gg R_{\rm c}$    &  diagram$^{12}$  \\
Antennae$^3$     &  Fit with ISHAPE code$^6$    & {\it UBVI}-colors and mass/light   &   Fit with ISHAPE code      & LICK line strength indices  \\
             &                          & ratio$^7$ with extinction-   &                             & and $^{11}$   
\\
             &                          & corrected SSP   &                             &                        \\
M 83$^4$         &  Fit with ISHAPE code$^6$    & Isochromes$^9$  &   Fit with ISHAPE code      & {\it UVBI}-colors, 2-color and  \\
             &                          &                               &                          & S-sequnce diagram $^{10}$ \\
\hline
\end{tabular}}
\medskip
$^1$~Mackey \& Gilmore (\cite{mackey:03a}); $^2$ Mackey \& Gilmore (\cite{mackey:03b}); $^3$ Mengel et~al. (\cite{mengel:08}); $^4$ Larsen \& Richter (\cite{larsen:04}); $^5$ Fioc \& \mbox{Rocca-Volmerangen} (\cite{fioc:97}); $^6$ Larsen (1999); 
$^7$ Anders \& \mbox{Fritz-von-Alvensleben} (\cite{anders:09}); $^8$ Kroupa et~al. (\cite{kroupa:93});  $^9$ Girardi (2000); $^{10}$ Girardi (1995); $^{11}$ Schweizer (2005); $^{12}$ Chiosi (1995).
\end{table}