Table 1
Spectral features.
| Name | λ (µm) | Ref. |
|---|---|---|
| CO υ = 1–0 band fit | ||
| H2 1–0 O(9) | 4.5755 | 2 |
| [K III] | 4.6180 | 4 |
| Aliphatic Dn -PAH | 4.645 (a) | 5,6 |
| H I 7–5 | 4.6538 | 3 |
| H2 1–1 S(10) | 4.6558 | 2 |
| H I 11–6 | 4.6725 | 3 |
| 12CO υ = 1–0 | 4.6742 (b) | 1 |
| H2 0–0 S(9) | 4.6946 | 2 |
| 13CO υ = 1–0 | 4.7792 (b) | 1 |
| C18O υ = 1–0 | 4.7882 (b) | 1 |
| Additional transitions | ||
| H2 0–0 S(10) | 4.4098 | 2 |
| H2 1–1 S(11) | 4.4166 | 2 |
| H2 1–1 S(9) | 4.9541 | 2 |
| H2 0–0 S(8) | 5.0531 | 2 |
| H I 10–6 | 5.1287 | 3 |
Notes. List of spectral features used during the fitting of the CO υ = 1–0 band. (a)The Dn-PAH emission is modeled as a Gaussian profile with σ = 0.0091 µm (see Sect. 3.3.4 and Fig. 9). (b)Wavelength of the P(1) transition of the rovibrational band.
References. (1) Goorvitch 1994; (2) Roueff et al. 2019; (3) Storey & Hummer 1995; (4) Feudhtgruber et al. 1997; (5) Peeters et al. 2004; (6) This work.
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