\begin{table}
%\centering
\par
\renewcommand{\thetable}{\arabic{table}b}
\caption{Derived stellar and dust envelope parameters for $M_{\rm c}=0.605~M_{\odot}$.}
\label{tab5b}
\begin{tabular}{ccccccc} \hline\hline
IRAS & $r1$   & $d$     & $\theta$ & $\dot M$ & $\mu$ & $V_{\rm T}$\\
     & (cm) & (kpc) & ($\arcsec$) & $M_{\odot}$~yr$^{-1}$ & mas yr$^{-1}$ & km s$^{-1}$\\
\hline  
12584--4837 & $2.40\times10$$^{16}$ & 3.37 & 0.47 & $1.73\times10$$^{-5}$ &  9.96 & 157.37 \\
13266--5551 & $4.63\times10$$^{16}$ & 2.42 & 1.28 & $1.04\times10$$^{-5}$ &  8.22 &  95.03 \\
14331--6435 & $6.03\times10$$^{16}$ & 2.49 & 1.62 & $4.22\times10$$^{-5}$ &  6.75 &  80.00 \\
16206--5956 & $3.44\times10$$^{16}$ & 3.83 & 0.60 & $9.22\times10$$^{-6}$ &  3.96 &  72.19 \\
17203--1534 & $6.21\times10$$^{16}$ & 4.38 & 0.95 & $1.74\times10$$^{-5}$ &  9.90 & 204.03 \\
17311--4924 & $2.03\times10$$^{16}$ & 1.96 & 0.70 & $1.06\times10$$^{-5}$ &  4.75 &  44.15 \\
17423--1755 & $3.52\times10$$^{17}$ & 3.72 & 6.39 & $6.84\times10$$^{-5}$ &	 &        \\
17460--3114 & $1.17\times10$$^{16}$ & 0.36 & 2.19 & $2.40\times10$$^{-7}$ &  3.90 &   6.65 \\
18023--3409 & $2.48\times10$$^{16}$ & 2.92 & 0.58 & $1.62\times10$$^{-6}$ & 13.93 & 194.20 \\
18062+2410 & $1.08\times10$$^{16}$ & 5.29 & 0.14 & $1.33\times10$$^{-5}$ & 12.59 & 314.09 \\
18371--3159 & $3.71\times10$$^{16}$ & 5.95 & 0.41 & $9.93\times10$$^{-6}$ &  7.94 & 221.38 \\
18379--1707 & $3.55\times10$$^{16}$ & 3.67 & 0.64 & $1.45\times10$$^{-5}$ &	 &        \\
19590--1249 & $5.67\times10$$^{16}$ & 4.64 & 0.82 & $1.28\times10$$^{-5}$ &  7.56 & 170.64 \\
22023+5249 & $5.46\times10$$^{16}$ & 3.94 & 0.93 & $2.70\times10$$^{-5}$ &  4.96 &  94.04 \\
22495+5134 & $6.61\times10$$^{16}$ & 2.17 & 2.04 & $3.94\times10$$^{-6}$ &  2.97 &  30.60 \\
\hline
\end{tabular}
\end{table}