Open Access

Table B.1

Modeled spectral lines

Species Transition J K L (M) Frequency (GHz) Aij (s−1) Eup (K)
CH3OH 13 6 8 1 - 14 5 9 1 213.3775* 1.1 × 0−5 389.9
4 2 3 1-3 1 2 1 218.4401* 4.7 × 10−5 45.5
10 1 10 2 - 9091 326.9612 1.3 × 10−4 133.1
13 4 9 1 - 14 3 12 1 327.4868* 5.6 × 10−5 307.2
11 0 11 1 - 10 1 9 1 360.8489 1.2 × 10−4 166.0
8171 - 7261 361.8522 7.7 × 10−5 104.6
9 8 1 1-8 8 0 1 434.9518* 7.8 × 10−5 439.5
10 9 22 - 9 9 1 2 483.0728* 9.7 × 10−5 530.4
11 10 1 2 - 10 10 0 2 531.2772* 1.2 × 10−4 662.9

NH2CHO 10 1 9 - 9 1 8 218.4592* 7.5 × 10−4 60.8
12 1 12 - 11 1 11 243.5210* 1.1 × 10−3 79.2
13 2 12 - 12 2 11 274.0014 1.5 × 10−3 104.3
13 76 - 12 75 275.9945* 1.1 × 10−3 238.6
13 3 11 - 12 3 10 276.5553 1.5 × 10−3 119.6
14 3 11 - 13 3 10 299.2552 1.9 × 10−3 134.1
15 11 4 - 14 11 3 318.4563* 1.1 × 10−3 482.0
15 8 7 - 14 8 6 318.4626* 1.7 × 10−3 312.7
16 13 3 - 15 13 2 339.7463* 9.8 × 10−4 640.5
17 12 5 - 16 12 4 360.9465* 1.7 × 10−3 583.8
17 14 3 - 16 14 2 361.0199* 1.1 × 10−3 737.6

CH3CN 12 3 0 - 11 -3 0 220.7089 8.4 × 10−4 133.2
12 1 0 - 11 1 0 220.7430* 8.4 × 10−4 76.0
12 00 - 11 00 220.7473* 9.2 × 10−4 68.87
15 9 0 - 14 -9 0 275.4845* 1.1 × 10−3 683.7
15 8 0 - 14 8 0 275.5741* 1.2 × 10−3 562.6
15 7 0 - 14 7 0 275.6548* 1.3 × 10−3 455.7
15 6 0 - 14 -6 0 275.7240* 1.4 × 10−3 363.0
15 5 0 - 14 5 0 275.7825* 1.6 × 10−3 284.5
15 4 0 - 14 4 0 275.8304* 1.6 × 10−3 220.2
15 3 0 - 14 -3 0 275.8677 1.7 × 10−3 170.2
15 2 0 - 14 2 0 275.8943* 1.7 × 10−3 134.5
15 1 0 - 14 1 0 275.9103* 1.7 × 10−3 113.1
15 0 0 - 14 0 0 275.9156* 1.8 × 10−3 105.9
16 3 0 - 15 -3 0 294.2513 2.1 × 10−3 184.4

Notes. Stars indicate the lines that were only produced for the fiducial models and used for column density measurement with varying excitation temperatures. To avoid confusion, this table only shows one line to represent all the lines that are a result of (hyper)fine splitting; this is particularly important for the chosen CH3CN lines.

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