\begin{table}%t2
\caption{\label{jcmt}HCO$^+$ (3--2) survey results from both the JCMT and SEST.}
%\centering
\par
\begin{tabular}{l@{\hspace{0.1cm}}r@{\hspace{0.1cm}}c@{\hspace{0.1cm}}rcc}
\hline\hline\noalign{\smallskip}
Object 
& \multicolumn{2}{c}{Positions\tablefootmark{a}} 
& Area\tablefootmark{b} & $T_{\rm mb}$ & $\Delta V$    \\ 
& \multicolumn{1}{c}{Obs} 
& \multicolumn{1}{c}{Det}     
& (pc$^{2}$)
& (K) &
(km s$^{-1}$) \\
 \hline
HH~29	&  3 & 3 &   $4.3\times10^{-4}$ & $0.6\pm0.1$ & $1.8\pm0.2$ \\
HH~38  	& 11 & 1 &  $1.7\times10^{-2}$& $1.2\pm0.3$ & $0.9\pm0.2$  \\ 
HH~43	&  4 & 1 &  $6.3\times10^{-3}$ & $0.6\pm0.2$ & $0.7\pm0.2$  \\
HH~47C	& 11 & 0 & $1.7\times10^{-2}$& $<$1.4      & \nodata   \\
HH~49	& 22 & 0 & $4.2\times10^{-3}$ & $<$0.6      & \nodata   \\  
HH~52-53&  9 & 0 &  $1.8\times10^{-3}$& $<$2.4      & \nodata   \\
HH~54	& 12 & 0 &  $2.4\times10^{-3}$& $<$0.7      & \nodata   \\
HH~75	&  9 & 0 &  $1.4\times10^{-2}$& $<$0.8      & \nodata   \\
HH~77   &  9 & 4 & 	$3.3\times10^{-2}$	& $1.1\pm0.3$ & $1.6\pm0.2$  \\
HH~211  &  6 & 6 &  $4.0\times10^{-3}$	& $1.2\pm0.1$ & $1.4\pm0.1$  \\
HH~240  & 11 & 3 &  $1.7\times10^{-2}$	& $1.4\pm0.3$ & $0.6\pm0.1$  \\
HH~267 	&  6 & 0 & $4.0\times10^{-3}$ & $<$0.38     & \nodata   \\
HH~268 	&  3 & 0 &  $2.0\times10^{-3}$ & $<$0.56     & \nodata   \\
HH~272  &  9 & 3 & 	$4.6\times10^{-2}$	& $1.1\pm0.4$ & $0.8\pm0.3$  \\
HH~276 	&  6 & 0 &  $8.7\times10^{-4}$ & $<$0.53     & \nodata   \\
HH~278	&  6 & 0 &   $4.0\times10^{-3}$& $<$0.43     & \nodata   \\
HH~337A &  6 & 1 &   $4.0\times10^{-3}$	& $0.5\pm0.2$ & $0.5\pm0.1$  \\
HH~362A &  6 & 0 &   $8.7\times10^{-4}$		& $<$0.46     & \nodata   \\
HH~366 	&  1 & 1 &   $ 6.7\times10^{-4}$		& $0.5\pm0.1$ & $0.3\pm0.1$  \\
HH~427 	&  6 & 3 &  $4.0\times10^{-3}$		& $0.9\pm0.1$ & $0.9\pm0.1$  \\
HH~462 	&  5 & 4 &   $3.3\times10^{-3}$		& $2.0\pm0.2$ & $1.0\pm0.1$  \\
HH~464 	&  8 & 8 &   $7.2\times10^{-3}$		& $1.1\pm0.1$ & $1.2\pm0.1$  \\
\hline
\end{tabular}
\par
\tablefoot{\tablefoottext{a}{Obs: No. of positions observed, Det: No. of positions
with $\geq$$3\sigma$ detections.}     
\tablefoottext{b}{The area covered by the observations around the HH object.}} 
\end{table}