\begin{table}%t1
%\centering
\par
 \caption{Positions and flux measurements of
Shock-Driven {\rm H}$_2$ Features in AFGL~5157.\label{tab1}}
\begin{tabular}{lccccccc} 
\hline \hline
${\rm H}_2$ Knot & $\alpha$(J2000) &
$\delta$(J2000)&  \rm Flux & \rm Aperture$^{a}$ & $FWHM$ & \rm Morphology$^{b}$ & \rm Remark$^{c}$\\
&(h\quad m\quad s) &( $\circ$\quad $\arcmin$\quad  $\arcsec$) &
($10^{-20} ~\rm W~cm^{-2}~\rm \mu m^{-1}$) & ($\arcsec$) & ($\arcsec$) & \\
\hline
1  &05 37 48.00 &  +32 00 09.5& 20.17  & 12 & 4.7  & BS &  1   \\
2  &05 37  48.77 &+32  00  00.1 &9.98   & 10 & 4.34 & E   & 1 \\
3  &05 37 49.98 &+31 59 52.0 & 251.85   & 24 & 4.37 & BS  &1 \\
3a &05 37 50.95 &+31 59 56.1 &-&- &- & K &3\\
4  &05 37 53.31 &+31 59 33.9 & 41.53   & 12 & 5.04 & BS  & 1 \\
5  &05 37 45.50 &+31 58 59.1 & 7.48  & 10 & 3.19 & E   &  1 \\
6  &05 37 49.15 &+31 59 54.6 & 13.04  & 10 & 4.41 & K  &2\\
7  &05 37 51.72 &+32 00 24.9 & 8.21  & 6  & 2.28 & K &2\\
8  &05 37 51.89 &+31 59 26.8 & 34.62  & 16 & 6.06 & BS &2 \\
9  &05 37 53.84 &+31 59 28.4 & 41.56   & 12 & 5.04 & K  & 2 \\
10 &05 37 53.80 &+31 59 53.1 & 16.53  & 10 & 3.19 & E &2\\
11 &05 37 53.98 &+32 00 18.0 & 25.55 & 16 & 4.59 & BS &2\\
13a&05 37 52.39 &+32 00 29.9 & 2.69  &-      &-     &K    &3 \\
13b&05 37 52.53 &+32 00 35.7 & 1.23  & 6  & 2.01 & K &3\\
14 &05 37 51.84 &+32 00 03.0 & 1.46  & 6  & 2.49 & K &3\\
15 &05 37 54.77 &+31 59 56.3 & 3.01  & 6  & 2.81 & K &3\\
16a &05 37 37.79 &+32 01 07.4 &9.74  & 10  & 3.07 & PS &3\\
16b &05 37 38.93 &+32 00 56.3 &5.40  & 8   & 5.9  & PS & 3\\
16c &05 37 39.80 &+32 01 13.7 &2.90  & 10  & 3.93 & PS &3\\
16d &05 37 41.57 &+32 01 44.7   & 3.55  & 10  &  4.54 & PS &3\\
16e &05 37 44.51 &+32 01 35.1   & 3.82   & 18  &  9.72 & PS &3 \\
16f &05 37 46.63 &+32 01 25.3    & 3.15 & 18  &  5.25 & PS &3  \\
16g &05 37 49.18 &+32 00 20.3    & 3.02 & 18  &  5.21 & PS &3  \\
17  &05 37 48.24 &+31 56 59.8   & 14.29 & 6   &  2.69 & K &3\\
\hline
\end{tabular}
\begin{flushleft}
a. Apertures employed for {\rm H}$_2$ flux measurements.\\
b. BS~(bow-shaped); E~(elongated); K~(knot); PS~(parsec-scaled).\\
c. 1. \citet{tor92a};   2. \citet{che99};  3. this work.
\end{flushleft}
\end{table}