\documentstyle{l-aa}
\begin{document}
\begin{table*}
\caption{Source list}
\label{t:SourceList}
\begin{tabular}{llrrrrr}
\hline\noalign{\smallskip}
Source &\multicolumn{2}{c}{Position}&{$V_{\rm LSR}$}&
\multicolumn{1}{c}{Adopted distance}&\multicolumn{2}{c}{Reference} \\
\cline{2-3}\cline{6-7}\noalign{\smallskip}
&\multicolumn{1}{c}{$\alpha$(B1950.0)}&\multicolumn{1}{c}{$\delta$(B1950.0)}
     &\multicolumn{1}{c}{(km\,s$^{-1}$)}&
\multicolumn{1}{c}{(kpc)}&\multicolumn{1}{c}{Distance}&
\multicolumn{1}{c}{Molecular} \\
\hline\noalign{\smallskip}
W3(IRS4)&          02$^\mathrm{h}$21$^\mathrm{m}$43\fs5 &+61\degr52\arcmin49\arcsec&$-$43.0&2.4&1,2\\
W3(OH)     &         02$^\mathrm{h}$23$^\mathrm{m}$17\fs0 &+61\degr38\arcmin53\arcsec&$-$48.0&2.4&1,2\\
NGC 1333     &        03$^\mathrm{h}$25$^\mathrm{m}$58\fs2 &+31\degr05\arcmin46\arcsec&+7.0&0.35(0.22--0.5)&3&3, 9, 16, 17\\
Orion A       &      05$^\mathrm{h}$32$^\mathrm{m}$47\fs0 &$-$05\degr24\arcmin24\arcsec&+8.0&0.5&1& 10, 18, 21\\
OMC-2          &     05$^\mathrm{h}$32$^\mathrm{m}$58\fs3 &$-$05\degr11\arcmin52\arcsec&+10.0&0.5&1,4\\
OMC-3           &    05$^\mathrm{h}$32$^\mathrm{m}$48\fs3 &$-$05\degr02\arcmin10\arcsec&+10.0&0.5&4\\
NGC 2023          &   05$^\mathrm{h}$39$^\mathrm{m}$07\fs0 &$-$02\degr17\arcmin20\arcsec&+10.0&0.4&5\\
NGC 2024           &  05$^\mathrm{h}$39$^\mathrm{m}$12\fs8 &$-$01\degr57\arcmin04\arcsec&+10.0&0.4&5&9, 12, 13\\
NGC 2068&             05$^\mathrm{h}$43$^\mathrm{m}$34\fs9 &$-$00\degr11\arcmin50\arcsec&+10.0&0.4&5& 15\\
NGC 2071 &            05$^\mathrm{h}$44$^\mathrm{m}$30\fs6 &+00\degr20\arcmin42\arcsec&+10.0&0.4&1, 5& 9, 14, 20, 21\\
Mon R2   &           06$^\mathrm{h}$05$^\mathrm{m}$22\fs0 &$-$06\degr22\arcmin25\arcsec&+10.0&1.0&2\\
NGC 2264IR &          06$^\mathrm{h}$38$^\mathrm{m}$25\fs0 &+09\degr32\arcmin29\arcsec&+8.0&0.9&1& 9\\
G 34.3 +0.2  &         18$^\mathrm{h}$50$^\mathrm{m}$46\fs2 &+01\degr11\arcmin13\arcsec&+58.0&3.7&1,2\\
W 49N        &        19$^\mathrm{h}$07$^\mathrm{m}$49\fs9 &+09\degr01\arcmin17\arcsec&+5.0&11.4&6&6, 20\\
W 51N$^a$     &         19$^\mathrm{h}$21$^\mathrm{m}$22\fs4 &+14\degr25\arcmin13\arcsec&+60.0&7.0&2\\
DR 21(OH)$^b$ &     20$^\mathrm{h}$37$^\mathrm{m}$14\fs2 &+42\degr12\arcmin10\arcsec&$-$3.0&3.0&1,2\\
IRAS 21391+5802 &     21$^\mathrm{h}$39$^\mathrm{m}$10\fs3 &+58\degr02\arcmin29\arcsec&+0.0&0.8&7& 19\\
S 140             &   22$^\mathrm{h}$17$^\mathrm{m}$42\fs0 &+63\degr03\arcmin45\arcsec&$-$7.0&0.9&8&8, 11, 12, 13, 21\\
NGC 7538(IRS1)  &   23$^\mathrm{h}$11$^\mathrm{m}$36\fs5 &+61\degr11\arcmin49\arcsec&$-$57.0&2.8&2&20\\
\hline\noalign{\smallskip}
\multicolumn{7}{l}
{Distance references:
(1) Mangum \& Wootten (1993),
(2) Plume, Jaffe \& Evans II (1992),
(3) Blake et al. (1995),
}\\
\multicolumn{7}{l}{
(4) Castets \& Langer (1995),
(5) Lada (1992),
(6) Serabyn, G\"usten \& Schulz (1993),
(7) Wilking et al. (1993),
}\\
\multicolumn{7}{l}{
(8) Zhou et al. (1994)
}\\
\multicolumn{7}{l}
{SO references:
(9) Chernin et al. (1994),
(10) Friberg (1984),
(11) Wilner \& Welch (1994)
}\\
\multicolumn{7}{l}
{Multi CS transition references:
(12) Mundy et al. (1986),
(6) Serabyn et al. (1993),
(13) Snell et al. (1984),
}\\
\multicolumn{7}{l}{
(14) Zhou et al. (1991),
(8) Zhou et al. (1994),
(16) Langer et al. (1996)
}\\
\multicolumn{7}{l}
{Molecular outflow references:
(3) Blake et al. (1995),
(9) Chernin et al. (1994),
(15) Edwards \& Snell (1984),
}\\
\multicolumn{7}{l}{
(10) Friberg (1984),
(17) Liseau et al. (1988),
(18) Olofsson et al. (1982),
(19) Patel et al. (1995),
}\\
\multicolumn{7}{l}{
(20) Scoville et al. (1986),
(21) Snell et al. (1984),
(11) Wilner \& Welch (1994)
}\\
\noalign{\smallskip $^a\,$The W 51M core is located approximately at an offset
(40\arcsec,$-$40\arcsec) relative to W 51N.}
\noalign{$^b\,$The DR 21 core is located approximately
160\arcsec south of DR 21(OH).}
\end{tabular}
\end{table*}

\begin{table*}[h]
\caption{Integrated intensities in \iiunit for certain positions and lines}
\label{t:IntInt}
\begin{tabular}{lrrrrr}
\hline\noalign{\smallskip}
Source & \multicolumn{1}{c}{Offset}&\multicolumn{1}{c}{SO(3$_2$--2$_1$)}&
\multicolumn{1}{c}{$^{34}$SO(3$_2$--2$_1$)}&
\multicolumn{1}{c}{CS(2--1)}&\multicolumn{1}{c}{C$^{34}$S(2--1)}\\
&\multicolumn{1}{c}{(\arcsec,\arcsec)}\\
\hline\noalign{\smallskip}
DR21 (OH) &(0,$-$160)& 8.7(0.5) & 0.4(0.1) & 32.8(0.4) & 4.1(0.1)\\
DR21 (OH) &(0,$-$40)& 21.1(0.5) && 49.5(0.4) & 7.8(0.1)\\
DR21 (OH) &($-$40,0)& 15.2(0.5) && 36.6(0.5) & 4.4(0.2)\\
DR21 (OH) &(0,0)& 27.8(0.3) & 1.4(0.1) & 59.6(0.3) & 9.0(0.1)\\
DR21 (OH) &(40,0)& 6.5(0.5) && 24.0(0.5) & 2.2(0.2)\\
DR21 (OH) &(0,40)& 15.4(0.5) && 31.4(0.7) & 4.2(0.2)\\
G 34.3+0.2 &(0,$-$40)& 12.7(0.8) && 38.9(0.5) & 6.9(0.6)\\
G 34.3+0.2 &($-$40,0)& 17.9(1.0) && 45.9(0.5) & 8.8(0.6)\\
G 34.3+0.2 &(0,0)& 24.9(0.3) & 1.4(0.1) & 62.0(0.3) & 12.9(0.2)\\
G 34.3+0.2 &(40,0)& 11.4(0.8) && 22.4(0.5) & 4.2(0.3)\\
G 34.3+0.2 &(0,40)& 10.7(0.8) && 28.2(0.5) & 6.0(0.4)\\
IRAS 21391+5802 &(0,0)& 10.1(0.3) & 0.5(0.1) & 24.5(0.5) & 1.6(0.1)\\
Mon R2 &(0,0)& 5.6(0.2) && 22.4(0.2) & 2.9(0.1)\\
Mon R2 &(0,40)& 4.7(0.3) & 0.1(0.1) & 26.5(0.3) & 2.7(0.2)\\
NGC 1333 &(120,$-$200)& 4.8(0.3) & 0.8(0.1) & 6.3(0.2) & 0.7(0.1)\\
NGC 1333 &(40,$-$160)& 5.6(0.3) & 0.3(0.1) & 9.2(0.2) & 1.0(0.1)\\
NGC 1333 &(80,$-$160)& 9.3(0.3) & 0.9(0.1) & 11.7(0.2) & 1.0(0.1)\\
NGC 1333 &(120,$-$160)& 8.4(0.1) & 1.5(0.1) & 6.5(0.1) & 1.0(0.1)\\
NGC 1333 &(160,$-$160)& 5.4(0.2) & 0.6(0.1) & 5.1(0.2) & 0.7(0.1)\\
NGC 1333 &(80,$-$120)& 7.8(0.2) & 0.7(0.1) & 9.3(0.2) & 1.6(0.1)\\
NGC 1333 &(120,$-$120)& 6.9(0.2) & 0.5(0.1) & 7.7(0.2) & 1.0(0.1)\\
NGC 1333 &(160,$-$120)& 3.3(0.2) & 0.5(0.1) & 5.3(0.2) & 0.3(0.1)\\
NGC 1333 &(80,$-$80)& 10.2(0.3) & 0.7(0.1) & 9.2(0.2) & 0.7(0.2)\\
NGC 1333 &(120,$-$80)& 5.1(0.3) & 0.5(0.2) & 6.2(0.2) & 0.4(0.1)\\
NGC 1333 &(40,$-$40)& 9.8(0.2) & 0.4(0.1) & 13.6(0.2) & 0.8(0.3)\\
NGC 1333 &(80,$-$40)& 10.1(0.2) & 0.9(0.1) & 10.9(0.2) & 1.3(0.1)\\
NGC 1333 &(120,$-$40)& 7.7(0.3) & 0.7(0.1) & 7.5(0.2) & 0.6(0.1)\\
NGC 1333 &(0,0)& 2.4(0.1) & 0.1(0.1) & 10.6(0.2) & 0.9(0.1)\\
NGC 1333 &(80,0)& 8.7(0.2) & 0.6(0.1) & 11.1(0.2) & 1.2(0.1)\\
NGC 1333 &(120,0)& 5.3(0.3) & 0.5(0.1) & 7.4(0.1) & 0.5(0.1)\\
NGC 1333 &(80,40)& 6.2(0.3) & 0.6(0.1) & 7.3(0.2) & 0.3(0.1)\\
NGC 1333 &(120,40)& 4.1(0.3) & 0.1(0.1) & 6.3(0.2) & 0.6(0.1)\\
NGC 1333 &(120,80)& 2.6(0.3) & 0.2(0.1) & 6.0(0.2) & 0.0(0.1)\\
NGC 2023 &(0,0)& 0.8(0.1) && 3.7(0.3) & 0.1(0.1)\\
NGC 2024 &(0,$-$40)& 10.8(0.3) & 0.6(0.1) & 40.8(0.9) & 4.9(0.2)\\
NGC 2024 &($-$40,0)& 4.2(0.4) && 18.5(0.9) & 1.9(0.2)\\
NGC 2024 &(0,0)& 9.7(0.2) && 31.0(0.5) & 4.3(0.1)\\
NGC 2024 &(40,0)& 6.3(0.4) && 13.6(0.9) & 2.3(0.2)\\
NGC 2024 &(0,40)& 8.4(0.3) & 0.6(0.1) & 33.9(0.5) & 4.4(0.2)\\
NGC 2068 &(120,$-$80)& 4.1(0.3) & 0.3(0.1) & 3.3(0.6) & 0.1(0.1)\\
NGC 2068 &(0,0)& 1.5(0.1) && 5.9(0.4) & 0.5(0.1)\\
NGC 2071 &(0,0)& 2.2(0.2) && 11.1(0.3) & 1.9(0.1)\\
NGC 2264IR &(0,$-$40)& 10.2(0.3) && 28.0(0.4) & 3.4(0.1)\\
NGC 2264IR &($-$40,0)& 8.1(0.3) && 27.1(0.4) & 2.6(0.1)\\
NGC 2264IR &(0,0)& 20.1(0.2) & 1.1(0.1) & 35.9(0.2) & 3.7(0.1)\\
NGC 2264IR &(40,0)& 14.4(0.3) && 24.3(0.4) & 2.9(0.2)\\
NGC 2264IR &(0,40)& 12.4(0.3) && 18.4(0.4) & 2.7(0.2)\\
\hline
\noalign{\smallskip a(b) denotes value(1$\sigma$ error)}
\end{tabular}
\end{table*}

\setcounter{table}{1}
\begin{table*}[h]
\tablecontinued
\caption{continued}
\begin{tabular}{lrrrrr}
\hline\noalign{\smallskip}
Source & \multicolumn{1}{c}{Offset}&\multicolumn{1}{c}{SO(3$_2$--2$_1$)}&
\multicolumn{1}{c}{$^{34}$SO(3$_2$--2$_1$)}&
\multicolumn{1}{c}{CS(2--1)}&\multicolumn{1}{c}{C$^{34}$S(2--1)}\\
&\multicolumn{1}{c}{(\arcsec,\arcsec)}\\
\hline\noalign{\smallskip}
NGC 7538 &(0,$-$40)& 28.8(0.4) & 1.4(0.1) & 62.1(0.5) & 7.5(0.2)\\
NGC 7538 &($-$40,0)& 9.9(0.6) && 30.7(0.6) & 2.2(0.2)\\
NGC 7538 &(0,0)& 14.9(0.2) & 0.8(0.1) & 53.4(0.4) & 6.3(0.2)\\
NGC 7538 &(40,0)& 20.5(0.5) && 31.4(0.5) & 5.6(0.3)\\
NGC 7538 &(0,40)& 6.3(0.6) && 12.4(0.5) & 1.2(0.1)\\
OMC--2 &(0,0)& 2.1(0.1) && 14.8(0.3) & 1.0(0.1)\\
OMC--3 &(0,0)& 6.9(0.3) & 0.0(0.1) & 11.9(0.5) & 1.1(0.1)\\
Orion A &(0,$-$80)& 13.9(0.3) & 0.3(0.3) & 63.4(0.8) & 12.8(0.4)\\
Orion A &(0,$-$40)& 7.5(0.5)  &          & 48.7(0.4) & 4.8(0.3)\\
Orion A &($-$40,0)& 4.3(0.3)  &          & 45.5(0.4) & 7.1(0.3)\\
Orion A &(0,0)    & 5.9(0.3)  &          & 52.4(0.4) & 9.2(0.2)\\
Orion A &(40,0)   & 5.3(0.3)  &          & 17.3(0.5) & 2.2(0.3)\\
Orion A &(0,40)   & 6.2(0.5)  &          & 38.6(0.5) & 5.2(0.3)\\
S 140 &(0,$-$40)  & 6.1(0.2)  &          & 22.2(0.3) & 2.0(0.2)\\
S 140 &($-$40,0)  & 12.5(0.2) &          & 27.0(0.3) & 3.1(0.2)\\
S 140 &(0,0)& 14.0(0.1) & 1.8(0.2) & 34.8(0.2) & 3.9(0.2)\\
S 140 &(40,0)& 6.7(0.2) && 21.9(0.3) & 3.0(0.2)\\
% S 140 &($-$20,20)& 19.1(0.3) & 1.7(0.1) & 36.7(0.4) & 3.2(0.2)\\
S 140 &(0,40)& 13.8(0.3) && 31.2(0.4) & 3.6(0.2)\\
W3(IRS4) &($-$40,$-$40)& 7.8(0.4) && 24.9(0.4) & 2.3(0.1)\\
W3(IRS4) &(0,$-$40)& 17.0(0.3) & 0.9(0.1) & 50.4(0.4) & 6.9(0.2)\\
W3(IRS4) &(40,$-$40)& 14.2(0.4) && 31.2(0.4) & 2.7(0.2)\\
W3(IRS4) &($-$40,0)& 7.6(0.4) && 17.4(0.4) & 2.2(0.2)\\
W3(IRS4) &(0,0)& 13.8(0.1) && 47.5(0.2) & 7.2(0.1)\\
W3(IRS4) &(40,0)& 10.9(0.4) && 29.8(0.4) & 2.3(0.2)\\
W3(IRS4) &($-$40,40)& 3.5(0.3) && 9.8(0.3) & 0.5(0.2)\\
W3(IRS4) &(0,40)& 3.7(0.4) && 16.3(0.4) & 2.0(0.2)\\
W3(IRS4) &(40,40)& 3.2(0.4) && 16.2(0.4) & 0.8(0.2)\\
W3(OH) &(0,$-$40)& 9.1(0.3) && 29.2(0.5) & 1.9(0.2)\\
W3(OH) &($-$40,0)& 10.2(0.3) && 22.0(0.6) & 3.1(0.2)\\
W3(OH) &($-$20,0)& 16.2(0.4) & 1.1(0.1) & 42.7(0.6) &\\
W3(OH) &(0,0)& 22.1(0.2) & 0.9(0.1) & 45.2(0.3) & 6.1(0.1)\\
W3(OH) &(40,0)& 6.2(0.3) && 20.6(0.5) & 1.9(0.1)\\
W3(OH) &(0,40)& 6.4(0.3) && 28.2(0.5) & 2.2(0.2)\\
W 49N &(0,$-$40)& 11.3(0.5) && 27.4(0.4) & 3.0(0.2)\\
W 49N &($-$40,0)& 17.6(0.4) && 46.7(0.4) & 7.7(0.2)\\
W 49N &(0,0)& 66.9(0.3) & 6.2(0.1) & 87.7(0.3) & 11.5(0.1)\\
W 49N &(40,0)& 19.8(0.4) && 45.7(0.4) & 5.9(0.2)\\
W 49N &(0,40)& 12.3(0.4) && 36.3(0.3) & 5.4(0.2)\\
W 51N &($-$40,$-$40)& 31.8(0.5) && 88.8(0.3) & 13.6(0.3)\\
W 51N &(0,$-$40)& 25.6(0.5) && 94.7(0.3) & 15.5(0.3)\\
W 51N &(40,$-$40)& 47.4(0.4) & 2.7(0.1) & 129.2(0.3) & 26.6(0.3)\\
W 51N &($-$40,0)& 32.4(0.5) && 85.8(0.3) & 12.4(0.3)\\
W 51N &(0,0)& 32.8(0.4) & 1.6(0.1) & 90.2(0.2) & 14.9(0.2)\\
W 51N &(40,0)& 23.8(0.5) && 71.6(0.3) & 12.5(0.3)\\
W 51N &($-$40,40)& 12.7(0.3) && 44.8(0.3) & 3.7(0.2)\\
W 51N &(0,40)& 11.6(0.3) && 49.7(0.3) & 5.2(0.3)\\
W 51N &(40,40)& 10.7(0.4) && 40.0(0.3) & 5.3(0.3)\\
\hline
\noalign{\smallskip a(b) denotes value(1$\sigma$ error)}
\end{tabular}
\end{table*}

\end{document}
