\begin{table}%t2
   %\centering
\par
   \caption{CO($J=1$--0) and CO($J=2$--1) intensity lines where CO
   emission is detected (detection level $\geq$2$\sigma$).}
   \begin{tabular}{rrccccccc}
   \hline\hline
   Offset                               &  Offset                            &$T_{\rm mb}$(1--0) & $\Delta v$(1--0)&   $\int T_{\rm mb}$(1--0)d$v$ &$T_{\rm mb}$(2--1)  & $\Delta v$(2--1)& $\int T_{\rm mb}$(2--1)d$v$  & $R_{21}$ \\
   $\Delta\alpha$ ($^{\prime\prime}$)   &  $\Delta\beta$ ($^{\prime\prime}$) &[mK]&[km s$^{-1}$]& [K~km~s$^{-1}$] &[mK]& [km s$^{-1}$]& [K~km~s$^{-1}$]        &          \\
   (1)&(2)&(3)&(4)&(5)&(6)&(7)&(8)&(9) \\
   \hline
$-51.9$	&	$-30.1$	&	29.04	&	74.01	&	2.15	&	10.23	&	83.21	&	0.85	&	0.40	\\
$-47.2$	&	$-19.1$	&	30.16	&	59.01	&	1.78	&	12.73	&	82.55	&	1.05	&	0.59	\\
$-42.5$	&	$-8.0$	&	28.34	&	88.23	&	2.50	&	14.55	&	115.60	&	1.68	&	0.67	\\
$-37.8$	&	3.0	&	16.97	&	79.81	&	1.35	&		&		&		&		\\
$-36.2$	&	$-23.8$	&	34.22	&	59.89	&	2.05	&	16.67	&	87.36	&	1.46	&	0.71	\\
$-31.5$	&	$-12.7$	&	38.18	&	52.72	&	2.01	&	23.87	&	73.12	&	1.75	&	0.87	\\
$-26.8$	&	$-1.7$	&	18.09	&	150.30	&	2.72	&	20.39	&	97.33	&	1.98	&	0.73	\\
$-25.1$	&	$-28.4$	&	31.67	&	61.07	&	1.93	&	25.13	&	52.02	&	1.31	&	0.68	\\
$-20.4$	&	$-17.4$	&	33.16	&	47.82	&	1.59	&		&		&		&		\\
$-19.1$	&	47.2	&	31.85	&	56.16	&	1.79	&		&		&		&		\\
$-8.0$	&	42.5	&	38.36	&	96.15	&	3.69	&	16.16	&	70.65	&	1.14	&	0.31	\\
$-1.7$	&	26.8	&	68.42	&	102.50	&	7.01	&	40.16	&	102.10	&	4.10	&	0.58	\\
3.0	&	37.8	&	27.99	&	152.80	&	4.28	&	24.86	&	116.50	&	2.90	&	0.68	\\
6.4	&	$-15.7$	&	12.52	&	113.40	&	1.42	&		&		&		&		\\
9.4	&	22.1	&	39.60	&	78.91	&	3.12	&		&		&		&		\\
14.1	&	33.1	&	34.47	&	66.19	&	2.28	&	22.30	&	80.29	&	1.79	&	0.78	\\
15.7	&	6.4	&	41.16	&	44.16	&	1.82	&	18.33	&	94.03	&	1.72	&	0.95	\\
22.1	&	$-9.4$	&	31.75	&	96.58	&	3.07	&	20.61	&	121.10	&	2.50	&	0.81	\\
26.8	&	1.7	&	21.40	&	67.65	&	1.45	&	22.95	&	58.55	&	1.34	&	0.93	\\
33.1	&	$-14.1$	&	21.76	&	43.95	&	0.96	&		&		&		&		\\
48.9	&	$-7.7$	&	58.60	&	32.25	&	1.89	&	19.20	&	52.02	&	1.00	&	0.53	\\
53.6	&	3.3	&	47.86	&	55.29	&	2.65	&	35.44	&	61.72	&	2.19	&	0.83	\\
\hline
    \end{tabular}
    \label{table2}
    \end{table}