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Table 15
Median column densities in a(x) = a × 10x for observations and best-fit UCHii model.
Molecule | Observed col. den. | Modeled col. den. |
[cm-2] | [cm-2] | |
|
||
CO | 2.8(19) | 6.4(18) |
HNC | 1.1(15) | 9.0(13) |
HCN | 3.7(14) | 4.0(14) |
HCO+ | 1.8(15) | 4.8(14) |
HNCO | 1.1(13) | 1.8(13) |
H2CO | 1.2(14) | 2.4(14) |
N2H+ | 7.3(13) | 5.4(13) |
CS | 5.0(15) | 5.3(14) |
SO | 1.3(14) | 6.7(15) |
OCS | ≤1.9(13) | 1.6(14) |
C2H | 7.8(15) | 8.0(13) |
SiO | 8.5(12) | 1.7(13) |
CH3CN | 2.0(13) | 8.7(12) |
CH3OH | 1.9(14) | 1.2(14) |
|
||
Agreement | 11/14 = 79% |
Notes. Modeled best-fit values in italics disagree with the observed values within one order of magnitude. When the molecule was detected in fewer than 50% of the sources, we marked it as an upper limit.
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