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\begin{document}

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\begin{table*}[t]
\begin{center}
\caption{Circumstellar envelopes observed in the CN lines}
%\label{sources}
\begin{tabular}{lrrrccl} \hline
\multicolumn{7}{c}{}\\
Name & $\alpha$ (1950.0) & $\delta$ (1950.0) & \multicolumn{1}{c}{$d$} & 
       $\dot{M}$ & \multicolumn{1}{c}{$V_{\rm exp}$} & Type \\
 & & & \multicolumn{1}{c}{(pc)} & (M$_\odot$\,yr$^{-1}$) & 
\multicolumn{1}{c}{(km\,s$^{-1}$)} & \\
\multicolumn{7}{c}{}\\
\hline
%
\multicolumn{2}{c}{\it C-rich objects:} &&&&&\\
IRC+60041   & 01 10 30.3 &  62 41 43 & 1250 & 1.8E-6 & 23 & C6,3 \\
AFGL\,190   & 01 14 26.3 &  66 58 08 & 2080 & 1.2E-5 & 18 & C \\
AFGL\,341   & 02 29 21.1 &  57 48 53 & 2040 & 1.5E-5 & 14 & C \\
U\,Cam      & 03 37 29.1 &  62 29 19 &  500 & 2.0E-6 & 21 & C3,9-C6,4,
detached  \\
IRC+60144   & 04 30 45.9 &  62 10 12 & 1000 & 7.0E-6 & 19 & C \\
W\,Ori      & 05 02 48.6 &  01 06 37 &  350 & 1.4E-7 & 11 & C5,4 \\
AFGL\,809   & 05 40 33.3 &  32 40 49 & 1800 & 1.7E-5 & 28 & C \\
UU\,Aur     & 06 33 06.6 &  38 29 16 &  300 & 3.0E-7 & 13 & C5,3-C7,4 \\
CL\,Mon     & 06 52 55.6 &  06 26 40 & 1130 & 6.0E-6 & 26 & C6,3 \\
AFGL\,5254  & 09 11 40.9 &$-$24 38 54 & 1050 & 1.2E-5 & 13 & C \\
IRC+10216   & 09 45 14.8 &  13 30 41 &  200 & 2.0E-5 & 15 & C9,5 \\
CIT\--6     & 10 13 11.0 &  30 49 17 &  450 & 7.0E-6 & 17 & C4,3 \\
VY\,UMa     & 10 41 37.1 &  67 40 27 &  750 & 4.8E-7 & ~8 & C6,3 \\
V\,Hya      & 10 49 11.3 &$-$20 59 05 & 330 & 2.5E-6 & 19 & C6,3-C7.5 \\
Y\,CVn      & 12 42 47.1 &  45 42 48 &  400 & 2.0E-7 &  ~8 & C5,4 \\
RU\,Vir     & 12 44 45.7 &  04 25 04 & 1470 & 8.3E-6 & 18 & C8,1 \\
RY\,Dra     & 12 54 28.1 &  66 15 52 &  650 & 6.2E-7 & 11 & C4,5 J \\
V\,CrB      & 15 47 44.1 &  39 43 23 & 1020 & 5.8E-7 &  ~8 & C6,2 \\
T\,Dra      & 17 55 37.4 &  58 13 24 &  520 & 1.1E-6 & 13 & C6,2 \\
IRC+20370   & 18 39 41.6 &  17 38 16 &  700 & 8.0E-6 & 14 & C \\
V\,Aql      & 19 01 43.9 &$-$05 45 38 & 550 & 5.9E-7 &  ~9 & C5,4 \\
AFGL\,2494  & 19 59 24.8 &  40 47 18 & 1300 & 2.3E-5 & 21 & C \\
V\,Cyg      & 20 39 41.2 &  47 57 46 &  500 & 4.0E-6 & 13 & C5,3-C7,4 \\
S\,Cep      & 21 35 52.7 &  78 23 59 &  400 & 2.5E-6 & 25 & C7,4 \\
AFGL\,3068  & 23 16 42.4 &  16 55 10 & 1000 & 2.0E-5 & 14 & C \\
LP\,And     & 23 32 01.3 &  43 16 27 &  700 & 1.0E-5 & 15 & C8,3.5 \\
%
\multicolumn{2}{c}{\it O-rich objects:} &&&&&\\
IRC+10011   & 01 03 48.1 &  12 19 51 &  500 & 1.2E-5 & 21 & M8 \\
IK\,Tau     & 03 50 43.6 &  11 15 32 &  270 & 4.5E-6 & 20 & M6-M10 \\
TX\,Cam     & 04 56 40.6 &  56 06 28 &  350 & 3.0E-6 & 18 & M8-M10 \\
$\alpha$\,ORI & 05 52 27.9 & 07 23 58 & 190 & 1.0E-6 & 14 & M1-M2 \\
VY\,CMa     & 07 20 54.5 &$-$25 40 12 & 1500 & 2.0E-4 & 33 & M5 \\
OH$26.5$+$0.6$ & 18 34 52.5 &$-$05 26 37 & 1500 & 8.0E-5 & 11 & M \\
NML\,Cyg    & 20 44 33.8 &  39 55 57 & 1800 & 1.6E-4 & 26 & M4.5-M7 \\
%
\multicolumn{2}{c}{\it Other objects:} &&&&&\\
AFGL\,618    & 04 39 33.8 &  36 01 15 & 1700 & 1.0E-4 & 19\rlap{$^a$} & 
B0 C-rich PPN \\
OH$231.8$+$4.2$ & 07 39 58.9 &$-$14 35 45 & 1300 & 1.0E-4 & 23\rlap{$^a$} & 
   M? O-rich PPN\\
S\,Sct      & 18 47 37.1 &$-$07 57 59 & 620 & 5.4E-6 & 18 & C6,4 detached\\
W\,Aql      & 19 12 41.8 &$-$07 08 08 & 450 & 1.0E-6 & 19 & S3,9-S6,9 \\
IRC+10420   & 19 24 26.7 &  11 15 11 & 3400 & 1.0E-4 & 52 & F8 O-rich \\
$\chi$\,Cyg & 19 48 38.4 &  32 47 10 & 150 & 5.0E-7 & ~9 & S6,2-S10,4 \\
AFGL\,2688  & 21 00 19.9 &  36 29 45 & 1500 & 1.0E-4 & 19\rlap{$^a$}
 & F5 C-rich PPN \\
NGC\,7027   & 21 05 09.5 &  42 02 04 & 1000 & 9.7E-5 & 19 & C-rich PN\\
SAO\,96709  & 07 13 25.3 &  10 05 09 & 3900 & 5.0E-5 & 11 & G5 C-rich PPN\\
\hline
\multicolumn{7}{l}{}\\
\multicolumn{7}{l}{$^a$ This value corresponds to the intense CO component
 which is superimposed on a broader emission plateau.}
\end{tabular}
\end{center}
\end{table*}

%

\setcounter{table}{1}

\begin{table*}
\begin{center}
\caption{CN observational results}
\begin{tabular}{lrrrrrrrrrrr}
\hline
 & \multicolumn{5}{c}{$N=1\rightarrow0$} & \/ &
\multicolumn{5}{c}{$N=2\rightarrow1$} \\ 
\cline{2-6} \cline{8-12}
\multicolumn{1}{c}{Source} &
\multicolumn{1}{c}{$T_{\rm peak}$} & 
\multicolumn{1}{c}{$A_{\rm high}$} & \multicolumn{1}{c}{$A_{\rm low}$} &
\multicolumn{1}{c}{$R_{1\rightarrow0}$} & \multicolumn{1}{c}{rms}
&&
\multicolumn{1}{c}{$T_{\rm peak}$} &
\multicolumn{1}{c}{$A_{\rm high}$} &\multicolumn{1}{c}{$A_{\rm low}$} & 
\multicolumn{1}{c}{$R_{2\rightarrow1}$} & \multicolumn{1}{c}{rms} 
\\  
& \multicolumn{1}{c}{{\tiny (K)}} & \multicolumn{1}{c}{{\tiny (K\,km/s)}} & 
\multicolumn{1}{c}{{\tiny (K\,km/s)}} & & \multicolumn{1}{c}{{\tiny (mK)}} &&
\multicolumn{1}{c}{{\tiny (K)}} & \multicolumn{1}{c}{{\tiny (K\,km/s)}} & 
\multicolumn{1}{c}{{\tiny (K\,km/s)}} & & \multicolumn{1}{c}{{\tiny (mK)}} \\
\hline
%
\multicolumn{2}{c}{\it C-rich objects}\\
%
IRC+60041 & 0.05 & 1.2 & 1.5 & 0.8 & 15 && 0.21 & 5.2 & 7.0 & 0.7 & 35 \\
AFGL\,190 &&&&& $^a$ & & \ldots & \ldots & \ldots & \ldots & 66 \\ 
AFGL\,341 &&&&& $^a$& & \ldots & \ldots & \ldots & \ldots & 90 \\ 
U\,Cam   &  & 67.4\rlap{$^b$} & & & && 1.20 & 37.3 & 57.6 & 0.6 & 61 \\
IRC+60144 & 0.14 & 6.4 & 5.3 & 1.2 & 15 && 0.32 & 9.2  & 7.1 & 1.3 & 34 \\
W\,Ori   & \ldots & \ldots & \ldots & \ldots & 21 && 0.49 & 8.9 & 6.9 & 
1.3 & 45 \\
AFGL\,809 &&&&& $^a$ & & \ldots & \ldots & \ldots & \ldots & 36 \\ 
UU\,Aur  & \ldots & \ldots & \ldots & \ldots & 14 && 0.43 & 8.6 & 10.4 & 
0.8 & 31 \\
CL\,Mon  & 0.11 & 6.3 & 6.1 & 1.0 & 19 && 0.32 & 10.8 & 15.5 & 0.7 & 50 \\
AFGL\,5254 &&&&& $^a$& & \ldots & \ldots & \ldots & \ldots & 66 \\ 
IRC+10216 & 3.70 & 129.0 & 83.5 & 1.5 & 15 && 2.66 & 58.0 & 37.1 & 1.6 & 37 \\
CIT-6 & 1.39 & 57.6  & 31.2 & 1.8 & 14 && 2.22 & 65.2 & 44.0 & 1.5 & 45 \\
VY\,UMa &&&&&$^a$& & \ldots & \ldots & \ldots & \ldots & 115 \\ 
V\,Hya   & 0.58 & 12.1 & 6.4 & 1.9 & 18 && 1.51 & 28.3 & 19.8 & 1.4 & 37 \\
Y\,CVn  & 0.90 & 12.3 & 11.2 & 1.1 & 50 && 1.20 & 14.2 & 17.3 & 0.8 & 15 \\
RU\,Vir  & 0.16 &  4.9  &  6.3 & 0.8 & 26 && 0.35 & 7.8 & 8.5 & 0.9 & 43 \\
RY\,Dra  & 0.41 &  9.5  & 9.0 & 1.1 & 13 &&1.00 & 17.2 & 23.1 & 0.7 & 18 \\
V\,CrB   &&&&& $^a$& & \ldots & \ldots & \ldots & \ldots & 35 \\ 
T\,Dra   & 0.10 & 1.3 & \ldots & \ldots & 17 && 0.20 & 4.4 & 3.9 & 1.1 & 23 \\
IRC+20370 & 0.46 & 16.0 & 11.0 & 1.4 & 12 && 0.34 & 9.2 & 7.2 & 1.3 & 19\\
V\,Aql   &&&&& $^a$& &  0.55 &  8.8 & 9.3 & 0.9 & 56 \\ 
AFGL\,2494 &&&&& $^a$& & \ldots & \ldots & \ldots & \ldots & 36 \\ 
V\,Cyg & 0.66 & 20.3  & 17.0 & 1.2 & 26 && 1.62 & 34.7 & 33.3 & 1.0 & 70 \\
S\,Cep & 0.64 & 33.6 & 42.2 & 0.8 & 19 && 1.38 & 52.7 & 71.1 & 0.7 & 29 \\
AFGL\,3068 & 0.34 & 12.6 & 10.1 & 1.2 & 29 && 0.51 & 12.3 & 9.0 & 1.4 & 76 \\
LP\,And & 0.59 & 20.9 & 10.3 & 2.0 & 26 && 1.10 & 29.0 & 18.7 & 1.6 & 72 \\
%
\multicolumn{2}{c}{\it O-rich objects}\\
IRC+10011 & \ldots & \ldots & \ldots & \ldots & 22 && \ldots & \ldots &
\ldots & \ldots & 48 \\
IK\,Tau   & \ldots & \ldots & \ldots & \ldots & 10 && 0.14 & 3.3 &  2.6 & 
1.3 & 23 \\
TX\,Cam   & \ldots & \ldots & \ldots & \ldots & 10 && 0.08 & 2.2 &  1.3 & 
1.7 & 20 \\
$\alpha$\,Ori & \ldots & \ldots & \ldots & \ldots & 13 && \ldots & \ldots &
\ldots & \ldots & 29 \\
VY\,CMa   & \ldots & \ldots & \ldots & \ldots & 14 && 0.14 & 5.2 & 6.2 & 
0.8 & 33 \\
OH$26.5$+$0.6$& \ldots & \ldots & \ldots & \ldots & 10 && \ldots & \ldots &
\ldots & \ldots & 24 \\
NML\,Cyg  &  $\sim$0.02 & \ldots & \ldots  & \ldots & 9 &
& 0.07 & 1.7 & 1.8 & 0.9 & 22 \\
%NML\,Cyg  & 0.02 & 1.3 & 1.1 & 1.2 & 9 && 0.008 & 1.7 & 1.8 & 0.9 & 22 \\
%
\multicolumn{2}{c}{\it Other objects}\\
AFGL\,618 & 1.29 & 54.8 & 31.5 & 1.7 & 21 && 1.84 & 56.6 & 48.4 & 1.2 & 76 \\
OH$231.8$+$4.2$& \ldots & \ldots & \ldots & \ldots & 11 && \ldots & \ldots &
\ldots & \ldots & 25 \\
S\,Sct    & \ldots & \ldots & \ldots & \ldots & 11 && \ldots & \ldots &
\ldots & \ldots & 29 \\
W\,Aql  & 0.24 & 8.9  & 8.1 & 1.1 & 28 && 0.57 & 13.5 & 11.0 & 1.2 & 69 \\
IRC+10420 & 0.02 & 1.2 & 0.8 & 1.5 & 10 && 0.07 & 3.3 & 3.0 & 1.1 & 18 \\
$\chi$\,Cyg & 0.05 & 1.8 & \ldots & \ldots & 15 && 0.77 & 12.3 & 9.4 & 1.3 & 
41 \\
AFGL\,2688 & 2.21 & 95.6 & 68.5 & 1.4 & 43 && 2.00 & 56.4 & 44.4 & 1.3 & 127 \\
NGC\,7027 & 0.63 & 25.9 & 16.1 & 1.6 & 15 && 1.13 & 43.8 & 29.3 & 1.5 & 48 \\
SAO\,96709 &     &      &      &       &      $^a$& &  0.28  & 
4.9  &  5.9 & 0.8 & 45 \\
\hline
\multicolumn{11}{l}{}\\
\multicolumn{11}{l}{{\it Notes.-} $^a$ Not observed in the 1--0 line.
$^b$ From Bujarrabal \& Cernicharo (1994)}
\end{tabular}
\end{center}
\end{table*}

\end{document}
