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Table 2

Observation parameters of the deep integrations of the o - H2CO and p - H2CO lines toward the PDR and the dense-core.

Position Molecule Transition ν Line area Instrument Feff Beff Int. time Tpeak rms S/N
[GHz]    K   km   s-1 hours K (Tmb) K
o - H2CO 212 − 111 140.839 1.75  ±  0.02 30-m/C150 0.93 0.70 1.9 1.87 0.061 31
p - H2CO 202 − 101 145.603 1.32  ±  0.02 30-m/D150 0.93 0.69 1.9 1.61 0.047 34
o - H2CO 211 − 110 150.498 1.41  ±  0.02 30-m/C150 0.93 0.68 1.4 1.52 0.053 29
PDR o - H2CO 313 − 212 211.211 1.24  ±  0.03 30-m/B230 0.91 0.57 1.1 1.46 0.096 15
p - H2CO 303 − 202 218.222 0.77  ±  0.01 30-m/B230 0.91 0.55 3.9 1.11 0.052 21
p - H2CO 322 − 221 218.476 0.17  ±  0.01 30-m/B230 0.91 0.55 2.0 0.27 0.055 5
o - H2CO 312 − 211 225.698 0.84  ±  0.02 30-m/A230 0.91 0.54 6.5 1.12 0.079 14
o - H2CO 212 − 111 140.839 2.56  ±  0.01 30-m/C150 0.93 0.70 3.7 3.46 0.036 96
p - H2CO 202 − 101 145.603 1.75  ±  0.02 30-m/D150 0.93 0.69 1.9 2.62 0.044 60
o - H2CO 211 − 110 150.498 1.89  ±  0.01 30-m/C150 0.93 0.68 1.5 2.52 0.052 49
o - H2CO 313 − 212 211.211 1.93  ±  0.02 30-m/B230 0.91 0.57 2.0 3.02 0.065 47
p - H2CO 303 − 202 218.222 1.03  ±  0.01 30-m/B230 0.91 0.55 3.0 1.83 0.057 32
p - H2CO 322 − 221 218.476 0.04  ±  0.01 30-m/B230 0.91 0.55 4.5 0.06 0.037 2
Dense-core o - H2CO 312 − 211 225.698 1.27  ±  0.02 30-m/A230 0.91 0.54 8.4 1.96 0.073 27
212 − 111 137.450 0.09  ±  0.02 30-m/D150 0.95 0.70 2.0 0.11 0.063 2
202 − 101 141.984 0.10  ±  0.01 30-m/D150 0.95 0.70 1.5 0.11 0.060 2
HDCO 211 − 110 134.285 0.13  ±  0.01 30-m/C150 0.94 0.71 2.0 0.32 0.042 8
HDCO 312 − 211 201.341 0.05  ±  0.01 30-m/A230 0.91 0.59 3.5 0.13 0.032 4
p - D2CO 212 − 111 110.838 0.04  ±  0.01 30-m/A100 0.95 0.75 4.9 0.08 0.031 3
o - D2CO 404 − 303 231.410 0.04  ±  0.01 30-m/A230 0.91 0.53 4.5 0.09 0.068 1

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