Table 2
Bayes factors that quantify the evidence for different molecules in the JWST/MIRI spectrum of Sz 28.
| mol(1) | ln B(2) | Pref(3) | Evidence(4) |
|---|---|---|---|
| H2O | −1.95 | No | Weak |
| NH3 | 8.18 | Yes | Strong |
| CO | 0.78 | Yes | None |
| C2H4 | −0.16 | No | None |
| C2H2 | 1209.74 | Yes | Very strong |
| CH4 | 161.37 | Yes | Very strong |
| C2H6 | 38.12 | Yes | Very strong |
| C3H4 | 11.47 | Yes | Very strong |
| C4H2 | 72.49 | Yes | Very strong |
| C6H6 | 184.58 | Yes | Very strong |
| HC3N | 16.50 | Yes | Very strong |
| CH3 | 0.99 | Yes | None |
| CO2 | 63.94 | Yes | Very strong |
| HCN | 225.48 | Yes | Very strong |
Notes. (1)Excluded molecule compared to the original fit. (2)Logarithm of the Bayes factor between the fit with and without a molecule. Positive values indicate a preference for including this molecule. (3)Preference for including this molecule. (4)Interpretation of ln B based on Trotta (2008).
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