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Table 1
H2 transitions observed.
| Transition | Wavelength | E up | Telescope/Instrument | Slit | PA | R = λ/ Δλ | Δv | Date | Exposure time |
| (μm) | (K) | (′′) | (°) | (km s-1) | (m, y) | (min) | |||
|
|
|||||||||
| H2 0−0 S(4) | 8.0251 | 3474 | VLT/VISIR | 0.4 × 32 | −26 | 32 000 | 10 | Apr. 2012 | 45 |
| H2 0−0 S(9) | 4.6947 | 10263 | VLT/CRIRES | 0.4 × 40 | 113 | 50 000 | 6 | Jan./Feb. 2014 | 102 |
| H2 1−0 S(1) | 2.1218 | 6956 | VLT/CRIRES | 0.4 × 40 | 113 | 50 000 | 6 | Jan./Feb. 2014 | 10 |
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