Table 4
Integrated intensities and upper level column densities of HD observed rovibrational lines in DF2 and DF3.
| (a) DF3 | ||||||
|---|---|---|---|---|---|---|
| Line | λ (μm) | Eup (K) | I (× 10−6 erg cm−2 s−1 sr−1) | Icorra (× 10−6 erg cm−2 s−1 sr−1) | Nup (× 1012 cm−2) | Nupcorrab (× 1012 cm−2) |
| v = 1 | ||||||
| 1–0 P(1) | 2.823 | 5225.9 | 5.3 ± 4.0 | 7.5 ± 5.7 | 3.1 ± 2.3 | 4.4 ± 3.3 |
| 1–0 P(2) | 2.898 | 5348.7 | <10.9 | <15.3 | <12.9 | <18.0 |
| 1–0 R(0) | 2.690 | 5348.7 | 7.4 ± 1.0 | 10.8 ± 1.5 | 7.5 ± 1.0 | 10.9 ± 1.4 |
| 1–0 P(3) | 2.980 | 5593.5 | 4.3 ± 1.1 | 5.9 ± 1.5 | 7.9 ± 2.0 | 11.0 ± 2.8 |
| 1–0 R(1) | 2.633 | 5593.5 | 9.6 ± 3.1 | 14.2 ± 4.5 | 6.5 ± 2.0 | 9.6 ± 3.1 |
| 1–0 P(4) | 3.069 | 5958.6 | <1.6 | <2.2 | <4.6 | <6.4 |
| 1–0 R(2) | 2.581 | 5958.6 | 9.6 ± 2.5 | 14.3 ± 3.7 | 4.9 ± 1.3 | 7.4 ± 1.9 |
| 1–0 R(3) | 2.535 | 6441.1 | 5.4 ± 1.2 | 8.1 ± 1.8 | 2.2 ± 0.5 | 3.4 ± 0.8 |
| v = 2 | ||||||
| 2–1 R(0) | 2.828 | 10313.6 | <4.4 | <6.2 | <3.1 | <4.4 |
| (b) DF2 | ||||||
| Line | λ (μm) | Eup (K) | I (× 10−6 erg cm−2 s−1 sr−1) | Icorra (× 10−6 erg cm−2 s−1 sr−1) | Nup (× 1012 cm−2) | Nupcorrab (× 1012 cm−2) |
| v = 1 | ||||||
| 1–0 P(1) | 2.823 | 5225.9 | <16.8 | <30.8 | <9.7 | <17.7 |
| 1–0 P(2) | 2.898 | 5348.7 | <11.3 | <20.3 | <13.4 | <24.0 |
| 1–0 R(0) | 2.690 | 5348.7 | <3.7 | <7.1 | <3.7 | <7.2 |
| 1–0 P(3) | 2.980 | 5593.5 | 4.5 ± 1.4 | 7.9 ± 2.5 | 8.4 ± 2.7 | 14.8 ± 4.7 |
| 1–0 R(1) | 2.633 | 5593.5 | 7.8 ± 2.2 | 15.3 ± 4.3 | 5.3 ± 1.5 | 10.3 ± 2.9 |
| 1–0 P(4) | 3.069 | 5958.6 | <2.0 | <3.4 | <5.8 | <9.9 |
| 1–0 R(2) | 2.581 | 5958.6 | 9.6 ± 2.5 | 19.3 ± 5.0 | 5.0 ± 1.3 | 9.9 ± 2.7 |
| 1–0 R(3) | 2.535 | 6441.1 | 7.4 ± 2.8 | 15.1 ± 5.6 | 3.1 ± 1.2 | 6.3 ± 2.4 |
| v = 2 | ||||||
| 2–1 R(0) | 2.828 | 10313.6 | <4.1 | <7.5 | <2.9 | <5.3 |
Notes. The uncertainties do not take into account calibration effects nor the error on the choice of extinction curve but the latter is expected to be negligible compared to the measurement uncertainty. (a)Values corrected from extinction using the extinction curve from Gordon et al. (2023) for an RV = 5.5 and AV = 3.4 in DF3 and AV = 5.87 in DF2. (b)In order to trace the excitation diagram, column densities from different lines coming from the same upper level are combined according to the expressions of Appendix D.2.
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