Table 3: Line-integrated intensities in [ ${\rm K}~{\rm km}~{\rm s}^{-1}$] (upper table) and in [10-7 erg s-1 cm-2 sr-1] (lower table) of the low- and mid-J CO isotopomeric lines and of the CS 7-6 line observed at KOSMA and FCRAO. In order to prevent the $+9~~{\rm km}~{\rm s}^{-1}$ velocity component from adding to the integrated intensity, the listed intensities were integrated only over the $-3~~{\rm km}~{\rm s}^{-1}$ component. As the 12CO lines merge with the second velocity component, these spectra were fitted using a 2-component Gaussian with the $+9~~{\rm km}~{\rm s}^{-1}$ velocity component masked out. All line intensities are reported for 80'' angular resolution (higher angular resolution data have been smoothed).
Position CO CO CO CO 13CO 13CO 13CO C18O [C I] [C I] CS
units in [ ${\rm K}~{\rm km}~{\rm s}^{-1}$] 3-2 4-3 6-5 7-6 1-0 3-2 6-5 1-0 1-0 2-1 7-6
DR21 E 348.7 283.4 247.2 265.7 22.38 69.4 43.1 1.66 21.9 28.2 3.0
DR21 C 440.0 462.6 434.4 477.5 70.48 112.2 80.9 8.26 46.6 58.4 13.8
DR21 W 230.5 221.9 177.7 223.1 41.02 47.6 33.9 3.67 26.9 28.5 2.9
DR21 (OH) 283.2 197.4 162.0 153.2 67.92 91.5 24.9 9.03 39.5 30.2 13.6
DR21 FIR1 223.8 193.2 130.2 107.3 59.49 61.9 26.0 9.16 33.4 33.0 3.9
Position CO CO CO CO 13CO 13CO 13CO C18O [C I] [C I] CS
in [10-7 erg s-1 cm-2 sr-1] 3-2 4-3 6-5 7-6 1-0 3-2 6-5 1-0 1-0 2-1 7-6
DR21 E 147.8 284.6 837.6 1429.1 0.307 25.7 127.6 0.023 26.8 153.4 1.3
DR21 C* 186.5 464.6 1471.9 2568.6 0.967 41.5 239.8 0.112 56.9 317.3 5.7
DR21 W 97.7 222.9 602.1 1200.2 0.563 17.6 100.3 0.050 32.5 154.7 1.2
DR21 (OH) 120.0 198.3 548.9 824.1 0.932 33.9 73.8 0.122 48.3 164.7 5.6
DR21 FIR1 94.8 194.0 441.2 577.0 0.816 22.9 77.0 0.124 40.8 179.5 1.6
* Boreiko & Betz (1991) give CO (13CO) 9-8 intensities of $2.3\pm0.08\times 10^{-4}$ ( $0.45\pm0.1\times 10^{-4}$) erg s-1 cm-2 sr-1 for a 80'' (83'') beam and a telescope coupling efficiency of 0.6.

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