\begin{table}%t3
\caption{Photometry, distance and extinction of the exciting stars.}\label{tab3}
\small%\centerline
{
\begin{tabular}{lccclccl}
\hline
\hline
HII region  & Star number &  $V$  & $B-V$ & $U-B$ & $d$ (kpc)& $A$v & Notes\\
\hline
BFS8      &   5 & 13.582        & 1.035 & $-$0.088        & 8.88 $\pm$ 0.61& 4.32& \\
DA568      &   1        & 11.898        & 0.900 & $-$0.182        & 5.04 $\pm$ 0.35& 3.86& \\
      &   2     & 14.037        & 0.755 & $-$0.037        & 4.74 $\pm$ 0.86& 3.13& \\
BFS10      &   1        & 15.031        & 1.419 & 0.311 & 6.39 $\pm$ 0.67& 5.48& \\
S138      &   1 & 15.014        & 1.578& 0.547 &2.91 $\pm$ 1.4    &5.89 & photometric \\
S141     &   1  & 14.282        &0.969 &$-$0.488  &8.34 $\pm$ 0.6 &4.46 & \\
S152     &   4    & 11.925        & 1.002& $-$0.537 & 2.39 $\pm$ 0.21 & 4.65& \\
S153      &   1    &11.38  &0.466 &$-$0.427 &4.73 $\pm$ 0.6 &2.43 & \\      
S156      &   1 & 11.234        & 0.979 &0.257          &2.87 $\pm$ 0.75 &3.73 & \\
S158      &   1 & 11.762        & 1.288& 0.05   & 1.60 $\pm$ 0.17& 5.21& \\
      &   2     & 12.093        & 1.321& 0.647  &4.24 $\pm$ 0.29 & 4.72& \\        
S159      &   1 & 11.919        & 0.921&$-$0.261  &2.97 $\pm$ 0.31  &4.03 & \\
S163      &   1 & 11.51 &0.83 & $-$0.14 & 2.93 $\pm$ 1.3 & 3.52& \\
      &   5     & 12.803&1.127 & $-$0.029 &3.38 $\pm$ 0.35   &4.63 & \\
      &   6     & 14.054&1.485 &0.3785  &4.28 $\pm$ 0.3   &5.68 & \\
      &   7     & 14.040&0.833 &$-$0.079&5.63 $\pm$ 0.93    & 3.48& \\
S170      &   1 & 11.353        &0.313 &$-$0.477          &3.55 $\pm$ 0.58 &1.80 & \\
      &   2     & 9.786 & 0.439& $-$0.358 & 2.60 $\pm$ 0.27 &2.18 & \\
      &   3     & 13.406 & 0.370 & $-$0.258& 6.52 $\pm$ 1.19  &1.80 & \\
      &   4     & 12.401& 0.396& $-$0.329 &3.78 $\pm$ 0.68  &1.98 & \\
      &   5     & 10.935        & 0.303& $-$0.457 & 1.43 $\pm$ 0.28  &1.74 & \\
S173     &   1  & 11.820        &0.38 &$-$0.45    &3.78 $\pm$ 2.06 &2.02 & \\
      &   2     & 11.220        &0.17 &$-$0.64     &4.02 $\pm$ 0.66 &1.39 & \\
      &   3     & 9.974 & 0.183&$-$0.502  &2.27 $\pm$ 1.23 &1.29 & \\
S175      &   1 & 11.301        & 0.906& $-$0.196 & 1.09 $\pm$ 0.21 & 3.90& \\
S182     &   1  &11.739 &0.984 &0.435 &-- &-- & \\              
S187      &   1 & 13.570& 1.236&0.254           & 1.44 $\pm$ 0.26& 4.78& \\        
      &   3     & 14.711&0.85 &0.159 & --& --& \\
S192      &   1 & 13.743        &0.751 &$-$0.315  & 2.96 $\pm$ 0.54 & 3.39& \\
S193     &   1  &12.368 &0.565& $-$0.42   &2.11 $\pm$ 0.39&2.75 & \\ 
      &   3     &14.598 &0.615&$-$0.317   &8.12 $\pm$ 1.56&2.84 & \\ 
G137.8$-$1.0      &   1*  & 13.01 & 0.71& $-$0.41 & 6.78 $\pm$ 0.59 & 3.32 & Muzzio \& Rydgren (\cite{Muzzio})\\
S196      &   4 & 12.183        & 0.530 & $-$0.458        & 5.67 $\pm$ 0.59& 2.65& \\
S203      &   3 & 15.439        & 1.0843 & 0.212        & 5.51 $\pm$ 2.65  &4.21 & B2V photometric\\
BFS31      &   1        & 12.670        & 1.018 & 0.175 & 1.71 $\pm$ 0.31& 3.97& \\
S204      &   1 & 10.844        & 0.419 &  $-$0.57        & 3.98 $\pm$ 0.42& 2.32& \\
S217      &   2*        & 11.32 &0.42 &$-$0.6     &4.37 $\pm$ 0.37 & 2.35 & Georgelin et~al. (\cite{Georgelin73})\\
S219      &   1 & 14.387        &0.726 &$-$0.088  &4.64 $\pm$ 0.85 & 3.06 & \\
      &   4     &       12.06&0.498 &$-$0.33      &3.74 $\pm$ 0.62 & 2.39 & \\
      &   7*    &       14.43&0.84 &$-$0.04       &3.90 $\pm$ 0.65 & 3.47 & Lahulla (\cite{Lahulla})\\
S256      &   2*        & 14.37 &1.15 &$-$0.03    &2.14 $\pm$ 0.39 & 4.73 & Moffat et~al. (\cite{Moffat}) \\
S258      &   2*        & 15.28 &1.22 &0.4      &2.90 $\pm$ 0.51 & 4.57 & Moffat et~al. (\cite{Moffat}) \\
S283      &   1*        & 13.12 &1.30 &1.01     &1.24 $\pm$ 0.22 & 4.26 & Moffat et~al. (\cite{Moffat})\\
      &   2*    & 12.19 &0.52 &$-$0.52    &8.11 $\pm$ 0.31 & 2.67 & Turbide \& Moffat (\cite{turbide})\\
      &   5*    & 14.22 &0.65 &$-$0.4     &7.39 $\pm$ 1.21 & 3.08 & Moffat et~al. (\cite{Moffat}) \\
BFS53      &   1*       & 13.93 &0.85 &$-$0.23    &4.01 $\pm$ 0.73 & 3.71 & Moffat et~al. (\cite{Moffat}) \\
S294      &   1*        & 13.99 &1.03 &$-$0.03    &3.24 $\pm$ 0.56 & 4.23 & Moffat et~al. (\cite{Moffat}) \\  \hline
\end{tabular}}
\medskip
Notes: The asterisk following some star's number means that 
the photometry is coming from the literature whith reference in Col.~8. In Col.~6, the distance and 
its uncertainty (calculated from errors on the photometry, spectral type and luminosity 
class determination) is given.
\end{table}