\begin{table}%t2
\caption{\label{tab2}Decomposition into multiple components.}   
%\centering
\par
{\scriptsize
\par
\begin{tabular}{llllllll}\hline\hline
\multicolumn{8}{l}{Observed magnitudes -- extinction (assuming late type disk color) -- corrected values}\\
\hline
Component & $z$ & $b-z$ & $c_{\rm ext}$ & $c_{\rm ext}$ & $b_{\rm c}$ & $SFR_{\rm c}$  &$M_{\rm stellar}$(c) \\
& &  & /starburst & assum.  & &    \\
& mag& mag & Or. & & mag & $M_{\odot}$/yr & log($M_{\odot}$)   \\
bulge & 22.5 & 2.0 & 1.13 & 0 & 24.5 &0.3 & 8.9 \\\hline
disk & 21.13 & 2.9 & 2.15 & 1.28 & 19.94 & 20.1 & 10.52 \\
foreg. arm & 22.0 & 1.6 & 0.76 & 0 & 23.6 & 0.65 &  9.1 \\
backg. arm & 22.74 & 2.3 & 1.41 & 0.65 & 23.6 & 0.65 & 9.1  \\
total           & 20.42 & 2.28 & 1.4 & 1.0 & 19.42 & 21.7 &  10.61 \\
\hline
\end{tabular}}
\end{table}