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Table 2

Disk-averaged column densities assuming a circular emitting area of 2″ for all species aside from CH3OH and SO where we use 0.3″.

Species Tex : 30 K N (cm−2) 60 K 100K
[CI] (5.1 ± 0.5) × 1016 (5.0 ± 0.5) × 1016
DCO+ (3.0 ± 0.3) × 1011 (3.7 ± 0.4) × 1011
DCN (2.6 ± 0.3) × 1011 (3.1 ± 0.3) × 1011
N2H+ (4.5 ± 0.5) × 1010 (5.7 ± 0.6) × 1010
CS (3.8 ± 0.4) × 1013 (8.2 ± 0.8) × 1012
C34S (8.5 ± 0.9) × 1011 (8.9 ± 0.9) × 1011
13CS (2.5 ± 0.3) × 1011 (2.3 ± 0.3) × 1011
SO (2.1 ± 0.3) × 1013(*)
H2CS (4.2 ± 0.4) × 1012 (3.5 ± 0.4) × 1012
H2CO (1.0 ± 0.1) × 1013 (1.6 ± 0.2) × 1013
CH3OH (3.3 ± 0.3) × 1014
HC3N (1.0 ± 0.1) × 1013 (2.2 ± 0.2) × 1012
c−C3H2 (5.6 ± 0.6) × 1011 (8.4 ± 0.8) × 1011

Notes. A range of Tex is explored for all species and from DCN, DCO+, H2CO, and CH3OH. Errors in column densities are propagated from the assumed 10% uncertainty in the disk-integrated fluxes. (*)From Law et al. (2023).

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