\begin{table}%t1
\par
\caption{\label{table:1}The data sample (extracted from Berkhuijsen 1986).}
%\centering
\par
\begin{tabular}{r r c c c c c}
\hline\hline
& Object & $-\lg\Sigma$ & $D$ & $\nz$ & $D$ & $\nz$ \\
& &
  & \multicolumn{2}{c}{(as from}
  & \multicolumn{2}{c}{(after distance} \\
& & $\U{(W~m^{-2}}$
  & \multicolumn{2}{c}{Berkhuijsen)}
  & \multicolumn{2}{c}{revision)} \\
& & $\U{Hz^{-1}sr^{-1})}$ & $\Ub{pc}$ & $\Ub{cm^{-3}}$
                          & $\Ub{pc}$ & $\Ub{cm^{-3}}$ \\
\hline
GAL & W44       & 19.409 & 26.0	& 0.22 & 25.0 & 0.22 \\
GAL & Cas A     & 16.721 &  4.1 & 4.94 &  4.9 & 4.52 \\
GAL & Tycho     & 18.921 &  5.4 & 3.64 &  5.6 & 3.57 \\
GAL & RCW103    & 19.377 &  9.6 & 5.04 &  9.0 & 5.21 \\
GAL & Kepler    & 18.481 &  3.8 & 7.70 &  2.5 & 9.49 \\
GAL & W49B      & 18.432 & 11.0 & 0.70 & 10.1 & 0.73 \\
GAL & VelaXYZ   & 20.367 & 36.0 & 0.02 & 18.5 & 0.03 \\
GAL & RCW86     & 20.276 & 35.0 & 0.08 & 28.1 & 0.09 \\
LMC & 0453--685 & 19.730 & 20.0 & 0.44 & 17.5 & 0.47 \\
LMC & 0454--665 & 19.629 & 16.0 & 0.44 & 14.0 & 0.47 \\
LMC & 0455--687 & 20.299 & 51.0 & 0.06 & 44.5 & 0.06 \\
LMC & 0500--702 & 20.590 & 30.0 & 0.12 & 26.2 & 0.13 \\
LMC & 0505--679 & 20.374 &  9.0 & 1.34 &  7.9 & 1.43 \\
LMC & 0506--680 & 18.976 & 12.0 & 2.14 & 10.5 & 2.29 \\
LMC & 0509--675 & 19.231 &  7.0 & 4.64 &  6.1 & 4.97 \\
LMC & 0519--697 & 19.524 & 24.0 & 0.10 & 20.9 & 0.11 \\
LMC & 0519--690 & 18.984 &  7.0 & 6.76 &  6.1 & 7.24 \\
LMC & 0520--694 & 20.435 & 37.0 & 0.20 & 32.3 & 0.21 \\
LMC & 0525--660 & 19.480 & 30.0 & 0.60 & 26.2 & 0.64 \\
LMC & 0525--696 & 18.293 & 22.0 & 4.12 & 19.2 & 4.41 \\
LMC & 0525--661 & 18.544 & 16.0 & 2.68 & 14.0 & 2.87 \\
LMC & 0527--658 & 20.807 & 61.0 & 0.12 & 53.2 & 0.13 \\
LMC & 0528--692 & 20.168 & 30.0 & 0.16 & 26.2 & 0.17 \\
LMC & 0532--710 & 19.947 & 43.0 & 0.12 & 37.5 & 0.13 \\
LMC & 0534--699 & 20.356 & 33.0 & 0.44 & 28.8 & 0.47 \\
LMC & 0534--705 & 20.481 & 37.0 & 0.08 & 32.3 & 0.09 \\
LMC & 0535--660 & 18.287 & 12.0 & 4.30 & 10.5 & 4.60 \\
LMC & 0536--706 & 20.481 & 30.0 & 0.10 & 26.2 & 0.11 \\
LMC & 0543--689 & 20.758 & 45.0 & 0.10 & 39.3 & 0.11 \\
LMC & 0547--697 & 19.736 & 50.0 & 0.10 & 43.6 & 0.11 \\
LMC & 0548--704 & 20.151 & 22.0 & 0.34 & 19.2 & 0.36 \\
SMC & 0045--734 & 19.802 & 27.0 & 0.10 & 26.1 & 0.10 \\
SMC & 0102--722 & 18.570 &  8.0 & 8.28 &  7.7 & 8.41 \\
SMC & 0103--726 & 20.807 & 54.0 & 0.26 & 52.3 & 0.26 \\
\hline
\end{tabular}
\end{table}