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Table C.1

Weeds model parameters for IRAS 20126+4104.

Species N S T ex θ S Δv
[cm-2] [K] [′′] [km s-1]

CH3OH 1.5E+17 300 2.2 6
CH3OH 4.8E+16 20 3.0 5
13CH3OH
H2CO 6.0E+15 150 2.2 6
H213CO <2.0E+15 150 2.2 6
CH3CN1 1.3E+15 200 2.2 6
CH313CN <2.0E+13 200 2.2 6
HNCO 1.0E+15 200 2.2 6
HN13CO <1.0E+14 200 2.2 6
C2H5OH <3.0E+15 100 2.2 6
C2H5CN <5.0E+14 80 2.2 5
CH3OCH3 <1.0E+16 100 2.2 6
HCOOCH3 <2.0E+15 200 2.2 6
NH2CHO 3.0E+14 300 2.2 6
CH2CO <5.0E+13 50 14.0 6
CH3CHO <1.0E+14 50 8.0 6
HCOOH <5.0E+13 40 8.0 6
CH3CCH 7.0E+14 35 14.0 2

Additional species

CH3COCH3 <0.1E+17 300 2.2 5
HCCCN 1E+13 100 14 7
SO 0.3E+15 50 14 6
34SO 0.2E+14 50 14.0 6
SO2 0.3E+15 50 14.0 6
33SO2 0.05E+15 50 14.0 5
HCN 0.4E+14 50 14.0 20
HCN 4E+13 50 14.0 5
H13CN 0.1E+13 50 14.0 6
CN, v = 0, 1 0.2E+15 50 14 2

Notes.13CH3OH is not available in the JPL database used for Weeds modeling.

(1)

Based on 21″ beam spectra.

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