Table 1: Orbital parameters and inferred planetary characteristics derived from the best-fit orbital solution with planetary perturbations for the four planets around $\mu $ Arae at JD = 2 453 000 and keeping the inclination fixed at $90^\circ $.
\begin{displaymath}\begin{tabular}{l@{\hspace{0.2cm}}lr@{\hspace{0.2cm}$\pm$\hsp... ... $a$ &[AU] & \multicolumn{2}{c}{1.497}\\ \hline \end{tabular}\end{displaymath}
\begin{displaymath}\begin{tabular}{l@{\hspace{0.2cm}}lr@{\hspace{0.2cm}$\pm$\hsp... ...$a$ &[AU] & \multicolumn{2}{c}{0.09094}\\ \hline \end{tabular}\end{displaymath}
\begin{displaymath}\begin{tabular}{l@{\hspace{0.2cm}}lr@{\hspace{0.2cm}$\pm$\hsp... ... $a$ &[AU] & \multicolumn{2}{c}{0.9210}\\ \hline \end{tabular}\end{displaymath}
\begin{displaymath}\begin{tabular}{l@{\hspace{0.2cm}}lr@{\hspace{0.2cm}$\pm$\hsp... ... $a$ &[AU] & \multicolumn{2}{c}{5.235}\\ \hline \end{tabular}\end{displaymath}

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