\begin{table}%t2
\caption{\label{table:2}Characteristics of the active regions, halo CMEs and analyzed relevant eruptive events.}        
%\centerline
{\small
\begin{tabular}{c c c c c c c c}        
\hline\hline                 
 NOAA & Latitude & Event  &  TMF\tablefootmark{a}  &  HC\tablefootmark{b}  & TC\tablefootmark{c} & $\Delta H_{+}$ & $\Delta H_{-}$\\ 
    & degrees & class   & &  &  & 10$^{42}$ Mx$^{2}$ & 10$^{42}$ Mx$^{2}$ \\   
\hline                      
  8858  & + 27 & C7.3     		 &  slightly decreasing &  yes 				  & after  & 0.1 & 1.2\\  
  8948  & $- 15$ & M3.1     		 &  slightly increasing &  no           & $-$      & 1.8 & 0.3\\
  9114+9115  & + 12 & C2.3-ERU &  slightly increasing &  yes          & before & 0 & 7\\ 
  9393+9394  & + 20 & X1.7     &  increasing (positive) &yes (small)  & before & 1 & 8.5\\
  9415  & $- 22$ & X2.3     		 &  constant &  yes (great)             & before and after & 1.7 & 0.7\\
	10030 & + 18 & X3.0     		 &  increasing &  yes  & before  & 5 & 7\\
	10030 & + 18 & ERU      		 &  increasing &  yes (great)  & after  & 5 & 7 \\	
  10069+10077 & $-  8$ & M5.2-ERU &  increasing &  yes (great)  & after  & 4 & 4.3\\
  10162 & + 25 & ERU      		 &  constant &  yes (small)     & before      & 9 & 0\\
	10229 & + 15 & M2.7     		 &  decreasing &  no           & $-$      & 0.2 & 3.5\\
	10365 & $-  6$ & M1.6     		 &  increasing &  no           & $-$      & 4.5 & 0.5\\
	10365 & $-  6$ & X1.3     		 &  constant   &  yes          & after  & 4.5 & 0.5\\
\hline                                   
\end{tabular}}
\tablefoot{\tablefoottext{a}{TMF: trend of the magnetic flux.}
\tablefoottext{b}{HC: Helicity change (slope of the curve).}
\tablefoottext{c}{TC: Time of change relative to the CME occurrence.}}\vspace*{3mm}
\end{table}