\begin{table}%t4
\caption{\label{table4}Rotational velocities of the sample.}
%\centering
\par
\begin{tabular}{ccccccccccc}
\hline \hline \noalign{\smallskip}
& & & &\multicolumn{4}{c}{Observed} &\multicolumn{1}{c}{Model} \\
 (1)&(2)&(3)&(4)&(5)&(6)&(7)&(8)&(9)&(10)&(11)\\
HCG& Galaxy & Morph.& $M{\rm_{B}}$ & $R_{25}$ & $V_{\rm{R(25)}}^{\rm{RC}}$ & $R_{\rm{max}}$ & $V_{\rm{max}}^{\rm{RC}}$ & $V_{\rm{R(25)}}^{\rm{model}}$ & $V_{\rm{max}}^{\rm{TF}}$ &$V_{\rm{max}}$ \\  
&&Type&mag&(arcsec/kpc)&km s$^{-1}$& (arcsec/kpc) & km s$^{-1}$ & km s$^{-1}$ & km s$^{-1}$ & \\ 
\hline
2   	    
&a & SBd & --20.75  &41/11.4&212&74/21.0& 264& 197 &  264 $\pm$ 39 & 1 \\
&b & cI &  --19.39  &21/6.0 &...&7/2.0& 122& 270 &  196 $\pm$ 74 & 4 \\
&c & SBC &  --19.87 &33/9.1 &118&40/11.2& 122& 106 &  122 $\pm$ 13 & 1 \\
7  		               
&a & Sb & --20.69   &57/15.3 &...&47/12.7& 226& 197 &   226 $\pm$ 27 & 2 \\
&d & SBC & --18.66  &38/10.1&...&16/4.3& 78 &  85 &  85 $\pm$ 4 & 2 \\
22 		    	 
&c & SBcd & --19.48 &52/8.3&143&52/8.3& 142& 142 &   142 $\pm$ 9 & 1 \\  
37 		    	 
&d & SBdm & --18.65 &12/4.8&...&5/2.0& 63 & 76  &   76 $\pm$ 7  & 4  \\
40 		    	 
&c & Sbc & --19.91  &37/15.1&...&24/9.9& 197& 203 &  203 $\pm$ 3  &  2 \\
&e & Sc  & --18.02  &18/7.3&...&7/2.9& 146&  226&  186 $\pm$ 40  & 4 \\
47 		    	 
&a & SBb & --21.23  &...&...&...& ...& ... &  ...& ... \\
&d & Sd  & --19.33  &...&...&...& ...& ... &  ...& ... \\
49 		    	 
&a & Scd & --19.76  &14/9.4&...&10/6.4&126 & 182  &  154 $\pm$ 28  & 4 \\
&b & Sd & --19.47   &13/8.7&...&4/2.5&69  & 58  &  58 $\pm$ 6  & 3 \\
&c & Im & --18.36   &10/6.6&...&7/4.3&123 & 133 &   133 $\pm$ 5 &4  \\
56 		    	 
&a &  Sc  &--20.52  &28/15.2&200&22/12.0&205 & 228 &  205 $\pm$ 14 & 1 \\
68 		    	 
&c &  SBbc & --20.83&77/12.6&244&115/18.9&244 & 234 &  244 $\pm$ 8 & 1 \\
93 		    	 
&b & SBd & --21.44  &57/17.7&191&28/8.5&235 & 220 &  235 $\pm$ 22 & 2 \\
&NGC 92 &  Sa & --19.55&49/10.0 & ...&7/1.5&207 &  229  & 229 $\pm$ 11 & 4 \\
\hline
\end{tabular}
\tablefoot {Column (1): group number. Column~(2): Galaxy member of the group. Column~(3): morphological type taken from Hickson (\cite{Hick93b}). Column~(4): $B$-band absolute magnitude. Column~(5): isophotal radius at the limiting surface brightness of 25~B~mag~arcsec$^{-2}$, Column~(6): observed rotational velocity at~$R_{25}$. Column~(7): maximum radius reached by the rotation curve. Column~(8): observed maximum rotational velocity. Column~(9): rotational velocity at~$R_{25}$ derived from the arctan model. Column~(10): rotational velocity used in the TF~relation. Column~(11): quality flag on~$V_{\rm{max}}$ (1:~reached; 2:~probably reached; 3:~probably did not reach; 4:~did not~reach).}
\vspace*{-3mm}
\end{table}