\begin{table}%t2
%%\centering

\par
\caption{\label{table:systemparameters} The maximum masses of the constituting black holes, the separation $d$ and the intrinsic orbital period for the inclination angles $i=1/\gamma_{\rm b}$ with bulk Lorentz factor $\gamma_{\rm b}$.}
\small   \begin{tabular}{ccc}
\hline\hline
$i=1/\gamma_{\rm b}$  & $1/10$  & $1/15$ \\
\hline\noalign{\smallskip}
$m \left[ 10^8~M_{\odot} \right]$ & 1.68 & 0.52  \\\noalign{\smallskip}
$M \left[ 10^8~M_{\odot} \right]$ & 2.49 & 3.65 \\\noalign{\smallskip}
$d \left[ 10^{16}~\rm c\rm m \right]$ &7.98 &   13.70\\\noalign{\smallskip}
$P_{\rm k} \left[\textrm{yrs} \right]$ &  19.11 &  42.96 \\\noalign{\smallskip}
\hline
\end{tabular}
 \end{table}