\begin{table}%t2
\caption{\label{tab2}Structural parameters derived from 2MASS data.}
\renewcommand{\tabcolsep}{2.35mm}
\small%\centerline
{
\begin{tabular}{cccccccccccc}
\hline\hline
&&&\multicolumn{4}{c}{RDP}&&\multicolumn{4}{c}{SBP}\\
\cline{4-7}\cline{9-12}
GC&$1\arcmin$&&\rc&\rhSC&\rt&c&&\rc&\rhL&\rt&c\\
&(pc)&&(\arcmin)&(\arcmin)&(\arcmin)&&&(\arcmin)&(\arcmin)&(\arcmin)\\
(1)&(2)&&(3)&(4)&(5)&(6)&&(7)&(8)&(9)&(10)\\
\hline
IC~1257     &7.3&&$0.2\pm0.1$&$1.4\pm0.3$&$7.1\pm2.0$&$1.5\pm0.2$&&$0.3\pm0.1$&$1.4\pm0.2$&$10.7\pm2.8$&$1.6\pm0.2$\\
Lyng\"a~7   &2.1&&$0.9\pm0.2$&$1.2\pm0.1$&$8.4\pm1.2$&$1.0\pm0.1$&&$0.9\pm0.3$&$1.2\pm0.3$&$7.7\pm1.4$&$0.9\pm0.2$\\
Tz~4        &2.6&&$0.8\pm0.4$&$1.9\pm0.2$&$6.2\pm1.4$&$0.9\pm0.2$&&$1.0\pm0.4$&$1.8\pm0.2$&$7.6\pm1.3$&$0.9\pm0.2$\\
Tz~10       &1.7&&$1.0\pm0.3$&$1.6\pm0.2$&$5.9\pm2.0$&$0.8\pm0.2$&&$0.8\pm0.4$&$1.5\pm0.2$&$3.4\pm0.8$&$0.7\pm0.3$\\
BH~176      &4.5&&$0.9\pm0.2$&$1.0\pm0.1$&$7.6\pm1.1$&$0.9\pm0.1$&&$0.9\pm0.2$&$0.8\pm0.1$&$5.9\pm0.5$&$0.8\pm0.1$\\
ESO~452-SC11&2.3&&$0.5\pm0.2$&$0.5\pm0.2$&$5.4\pm1.8$&$1.0\pm0.2$&&$0.5\pm0.2$&$0.5\pm0.2$&$4.8\pm1.2$&$1.0\pm0.2$\\
ESO~280-SC06&6.3&&$0.7\pm0.2$&$1.1\pm0.2$&$5.3\pm0.9$&$0.9\pm0.1$&&$0.5\pm0.2$&$1.0\pm0.2$&$5.0\pm1.1$&$0.9\pm0.2$\\
2MASS-GC01   &0.9&&$1.0\pm0.2$&$1.7\pm0.2$&$7.5\pm1.3$&$0.9\pm0.1$&&$0.7\pm0.2$&$1.6\pm0.2$&$4.4\pm0.4$&$0.8\pm0.2$\\
2MASS-GC02   &1.1&&$0.6\pm0.1$&$0.6\pm0.2$&$4.8\pm0.6$&$0.9\pm0.1$&&$0.4\pm0.1$&$0.5\pm0.2$&$3.7\pm0.4$&$1.0\pm0.1$\\
GLIMPSE-C01  &1.1&&$0.4\pm0.1$&$0.8\pm0.1$&$8.0\pm1.0$&$1.3\pm0.1$&&$0.4\pm0.1$&$0.5\pm0.1$&$4.5\pm0.5$&$1.1\pm0.1$\\
AL~3        &1.7&&$0.4\pm0.3$&$0.5\pm0.2$&$4.1\pm0.5$&$1.0\pm0.3$&&$(\dag)$&$0.6\pm0.2$&$(\dag)$&$(\dag)$\\
\hline
\end{tabular}}
\smallskip
 {Notes.}
 Column~2: arcmin to parsec scale. Columns~4 and 8: half-star count and half-light radii, 
respectively. Columns~6 and 10: concentration parameter, $c=\log(\rt/\rc)$. $(\dag)$: the SBP 
of AL~3 could not be fitted because of exceeding noise, especially beyond $R=1\arcmin$.
%\vspace*{4mm}
 \end{table}