\begin{table}%t3
\caption{\label{tab3}Total luminosity, blackbody luminosity and ADC luminosity in the band 1--30~keV in units of~erg~s$^{-1}$.}
%\centerline
 {\small \begin{tabular}{lrrr}
\hline \hline  
Spectrum  & $L_{\rm Tot}$ & $L_{\rm BB}$   & $L_{\rm ADC}$\\
&($10^{38}$) & ($10^{37}$) & ($10^{38}$)\\
\hline
1   & 6.30    & $6.19\pm0.57$   & $5.68\pm0.44$   \\
2   & 6.74    & $5.82\pm0.61$   & $6.16\pm0.44$   \\
3   & 7.21    & $5.99\pm0.65$   & $6.62\pm0.41$   \\
4   & 7.67    & $5.82\pm0.77$   & $7.08\pm0.50$   \\
5   & 7.51    & $4.97\pm0.81$   & $6.98\pm0.46$   \\
6   & 7.44    & $4.42\pm0.81$   & $6.98\pm0.60$   \\
7   & 7.06    & $4.08\pm1.30$   & $6.66\pm0.54$   \\
8   & 6.62    & $3.86\pm1.40$   & $6.24\pm0.61$   \\
9   & 5.52    & $4.86\pm1.40$   & $5.04\pm0.68$   \\
10  & 5.74    & $6.94\pm1.40$   & $5.06\pm0.75$   \\
11  & 6.07    & $9.40\pm0.81$   & $5.12\pm0.75$   \\
\hline
\end{tabular}}
\smallskip
As is normal practice, we do not quote errors in the total luminosity.
\end{table}