Table 1
Parameters of the CHAMP+ observations.
| Molecule | Transition (a) | Frequency (a) | Eu/kB (a) | Au (a) | ɡu (a) | Beam (b) | Δ V(b) |
|---|---|---|---|---|---|---|---|
| Ju − Jl | (GHz) | (K) | (10−5 s−1) | (″) | (km s−1) | ||
| 13CO | 6−5 | 661.067277 | 111.05 | 1.9 | 13 | 9 | 0.33 |
Notes. (a) Molecular data adopted from the Cologne Database for Molecular Spectroscopy (https://cdms.astro.uni-koeln.de) (CDMS, Müller et al. 2001, 2005). The frequency has been determined by (Klapper et al. 2000). Eu is the energy of the upper level, kB is the Boltzmann constant, Au is the Einstein A coefficient, and ɡu is the statistical weight of the upper level. (b) Original angular resolution (FWHM beam width) and spectral resolution.
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