\begin{table}%T2
\caption{\label{A1/A2}Observed H$\alpha$ fluxes of IC4662~A1 and A2 from optical HST/F658N 
imaging (6~arcsec radii), compared to radio and mid-IR results.}
%\centerline
 {
\begin{tabular}{l@{\hspace{1.5mm}}c@{\hspace{3mm}}c@{\hspace{3mm}}c}
\hline\hline
Quantity          & Units                          &       A1              & A2                  \\
\hline\\[-3.2mm]
$F$(H$\alpha$+[N~{\sc ii}]) &(erg s$^{-1}$ cm$^{-2}$)   & 
$1.94\times 10^{-12}$ & $1.61 \times 10^{-12}$ \\
$F$[N~{\sc ii}]/$F$(H$\alpha$) & & 0.03                   & 0.03             
\\
$F$(H$\alpha$)&(erg s$^{-1}$ cm$^{-2}$)         & $1.89\times 10^{-12}$ & 
$1.56 \times 10^{-12}$  \\
$E(B-V)$     & (mag)                               &  0.162                
& 
0.165   \\
$I$(H$\alpha$) & (erg s$^{-1}$ cm$^{-2}$)         & $2.75\times10^{-12}$ 
& 
$2.30\times10^{-12}$   \\ 
$L$(H$\alpha$) & (erg s$^{-1}$)                  & $1.96\times10^{39}$  
& 
$1.63\times10^{39}$    \\ 
$Q_0$(H$\alpha$) & (10$^{49}$ s$^{-1}$)         &145                    & 
121\\
\hline\\[-3.2mm]
$Q_0$(3~cm)$^{\ast}$ & (10$^{49}$ s$^{-1}$)             & 227                   
& 
242
\\
$Q_0$(Hu$\alpha$)$\ddag$ & (10$^{49}$ s$^{-1}$)     & 345                   
& 256 
\\
\hline
\end{tabular}}
\medskip
\par
$^\ast$ \citet{Johnson2003} adjusted to 2.44 Mpc.\\
$^\ddag$ \citet{Gilbert2008} adjusted to 2.44 Mpc.
\end{table}