\begin{table}%t2
%\centering
\par
   \caption{Number of giant planets detected and measured by Gaia.\label{nplan}}
\par
   \begin{tabular}{cccccc}
\hline       \hline\noalign{\smallskip}
       $\Delta d$ & $N_\star$  & $\Delta a$ & $\Delta M_{\rm p}$ &  $N_{\rm d}$ &  $N_{\rm m}$ \\
       (pc) & & (AU) & ($M_{\rm J}$) & & \\
              \noalign{\smallskip}
       \hline
       \noalign{\smallskip}
0--50 & $\sim$10~000 & 1.0--4.0 & 1.0--13.0 & $\sim$$ 1400$ & $\sim $$700$\\ 
50--100 & $\sim$51~000 & 1.0--4.0 & 1.5--13.0 & $\sim $$2500$ & $\sim $$1750$\\ 
100--150 & $\sim$114~000 & 1.5--3.8 & 2.0--13.0& $\sim$$ 2600$ & $\sim$$ 1300$\\
150--200 & $\sim$295~000 & 1.4--3.4 & 3.0--13.0& $\sim $$2150$ & $\sim$$ 1050$\\
      \hline 
   \end{tabular}
\end{table}