\begin{table} %tb7 \caption{\label{tab_ccs}CCS observed lines parameters.} \small%\centering \par \begin{tabular}{llllll} \hline \hline \noalign{\smallskip} Observed & $T^*_{\rm A}$ & Transition & Rest & $E_{\rm up}$ & $S_{ij}$\\ $v_{\rm LSR}$ (km s$^{-1}$) & (K) & $N_J$ & frequency (MHz) & (K) & \\ \hline \noalign{\smallskip} 7.9 & 0.053 & 6$_7$--5$_6$ & 81~505.211 & 15.4 & 6.97 \\ 9.4 & 0.061 & 7$_6$--6$_5$ & 86~181.413 & 23.3 & 5.84 \\ 8.6 & 0.043 & 7$_7$--6$_6$ & 90~686.386 & 26.1 & 6.86 \\ 7.7 & 0.042 & 7$_8$--6$_7$ & 93~870.101 & 19.9 & 7.97 \\ 9.0 & 0.040 & 8$_7$--7$_6$ & 99~866.510 & 28.1 & 6.87 \\ 9.7 & 0.055 & 8$_8$--7$_7$ & 103~640.754 & 31.1 & 7.87 \\ 6.9 & 0.063 & 8$_9$--7$_8$ & 106~347.743 & 25.0 & 8.97 \\ 8.2 & 0.15 & 9$_8$--8$_7$ & 113~410.206 & 33.6 & 7.89 \\ 7.6 & 0.17 & 10$_{11}$--9$_{10}$ & 131~551.974 & 37.0 & 11.0 \\ 7.6 & 0.11 & 11$_{10}$--10$_{9}$ & 140~180.751 & 46.4 & 9.92 \\ 9.6 & 0.15 & 11$_{11}$--10$_{10}$ & 142~501.703 & 49.7 & 10.9 \\ 8.5 & 0.25\tablefootmark{1} & 11$_{12}$--10$_{11}$ & 144~244.837 & 43.9 & 12.0 \\ 8.4 & 0.10 & 12$_{11}$--11$_{10}$ & 153~449.782 & 53.8 & 10.9 \\ 7.8 & 0.14 & 12$_{12}$--11$_{11}$ & 155~454.496 & 57.2 & 11.9 \\ 7.4 & 0.58\tablefootmark{2} & 12$_{13}$--11$_{12}$ & 156~981.666 & 51.5 & 13.0 \\ 8.7 & 0.21 & 13$_{12}$--12$_{11}$ & 166~662.354 & 61.8 & 11.9 \\ 7.6 & 0.24 & 13$_{13}$--12$_{12}$ & 168~406.791 & 65.3 & 12.9 \\ (3) & ... & 13$_{14}$--12$_{13}$ & 169~753.461 & 59.6 & 14.0 \\ 7.8 & 0.40\tablefootmark{2} & 16$_{15}$--15$_{14}$ & 206~063.973 & 89.5 & 15.0 \\ 5.9 & 0.56\tablefootmark{3} & 16$_{16}$--15$_{15}$ & 207~260.275 & 93.3 & 15.9 \\ 10.4 & 0.50\tablefootmark{4} & 16$_{17}$--15$_{16}$ & 208~215.906 & 87.8 & 17.0 \\ 11.2 & 0.16 & 17$_{16}$--16$_{15}$ & 219~142.681 & 100.1 & 16.0 \\ 8.5 & 0.090 & 17$_{17}$--16$_{17}$ & 220~210.164 & 103.8 & 16.9 \\ (2) & ... & 17$_{18}$--16$_{17}$ & 221~071.130 & 98.4 & 18.0 \\ (6) & ... & 18$_{17}$--17$_{16}$ & 232~201.872 & 111.2 & 17.0 \\ 7.5 & 0.30\tablefootmark{5} & 18$_{18}$--17$_{17}$ & 233~159.349 & 115.0 & 17.9 \\ 8.9 & 0.17 & 18$_{19}$--17$_{18}$ & 233~938.428 & 109.6 & 19.0 \\ 7.1 & 0.23 & 19$_{18}$--18$_{17}$ & 245~244.868 & 123.0 & 18.0 \\ (7) & ... & 19$_{19}$--18$_{18}$ & 246~107.787 & 126.8 & 18.9 \\ 6.7 & 0.40\tablefootmark{2} & 19$_{20}$--18$_{19}$ & 246~815.623 & 121.4 & 20.0 \\ (h) & ... & 20$_{19}$--19$_{18}$ & 258~274.296 & 135.4 & 19.0 \\ 7.9 & 0.10 & 20$_{20}$--19$_{19}$ & 259~055.437 & 139.3 & 19.9 \\ 10.7 & 0.15\tablefootmark{6} & 20$_{21}$--19$_{20}$ & 259~700.952 & 133.9 & 21.0 \\ 14.0 & 0.14\tablefootmark{7} & 21$_{20}$--20$_{19}$ & 271~292.251 & 148.4 & 20.0 \\ (j) & ... & 21$_{21}$--20$_{20}$ & 272~002.258 & 152.3 & 21.0 \\ 8.4 & 0.13 & 21$_{22}$--20$_{21}$ & 272~592.978 & 147.0 & 22.0 \\ \hline \end{tabular} \tablefoot{Observed transitions of CCS in the frequency range of the Orion KL survey. Column~1 gives the observed (centroid) radial velocities, Col.~2 the peak line temperature, Col.~3 the quantum numbers, Col.~4 the assumed rest frequencies, Col.~5 the energy of the upper level, and Col.~6 the line strength.\\ \tablefoottext{1}{Blended with CH$_3$CH$_2$$^{13}$CN;} \tablefoottext{2}{blended with CH$_3$OCOH;} \tablefoottext{3}{blended with (CH$_3$)$_2$CO;} \tablefoottext{4}{blended with g$^+$CH$_3$CH$_2$OH;} \tablefoottext{5}{blended with CH$_3$CH$_2$CN in the plane torsion;} \tablefoottext{6}{blended with g$^-$CH$_3$CH$_2$OH;} \tablefoottext{7}{blended with CH$_3$OCH$_3$.}} \end{table}