\begin{table}%t4
\caption{\label{tbf}Parameters of the \HII\ regions and corresponding ionising stars
in G10.47+0.03. A distance of 10.8~kpc is adopted.}
\small%\centerline
{
\begin{tabular}{lcccc}
\hline\hline
Name & \Ths & $p$ & \Nly & Spec.type \\
     & (arcsec) & & (s$^{-1}$) & \\
\hline\noalign{\smallskip}
A  & 0.56 & 0$^a$ & $10^{48}$ & O9 \\
B1 & 0.30 & --1.5 & $5\times10^{48}$ & O7 \\
B2 & 0.18 & --1.5 & $3\times10^{48}$ & O7.5 \\
\hline
\end{tabular}}
\smallskip
$^a$~Assumed a priori (see text).
\end{table}