Table 1
Parameters of the continuum images and spectral cubes.
| Image | Instr. | νobs (a) | Bandwidth (b) | pixel | Resolution (c) | 1σ rms | |
|---|---|---|---|---|---|---|---|
| [GHz] | [MHz] | [″] | [″ × ″] | [km s−1] | [mJy beam−1] (d) | ||
| X band cont. | VLA | 9.107 | 688 | 0.06 | 0.29 × 0.24 | − | 0.22 |
| Band 6 cont. | ALMA | 227.950 | 1230 | 0.06 | 0.29 × 0.24 | − | 0.38 |
| Spw 0 | ALMA | 217.900 | 1875 | 0.07 | 0.28 × 0.23 | 0.67 | 1.47 |
| Spw 1 | ALMA | 219.860 | 1875 | 0.07 | 0.28 × 0.25 | 0.67 | 1.67 |
| Spw 2/H30α | ALMA | 231.870 | 1875 | 0.07 | 0.27 × 0.20 | 0.63 | 1.57 |
| Spw 3 | ALMA | 233.740 | 1875 | 0.07 | 0.27 × 0.20 | 0.63 | 1.57 |
Notes. (a)Central frequency of the continuum images or of the spectral windows. The central frequency of the ALMA continuum image is computed as the intensity-weighted average frequency, with a spectral index of three (see Eq. (1) in Ginsburg et al. 2022). (b)Bandwidth used to create the continuum images or bandwidth of the cubes. (c)Beam FWHM and channel width. The data cubes have been produced using the default Hanning smoothing function without channel averaging (N = 1), resulting in a spectral resolution of two channels.(d) 1 mJy beam−1 corresponds to 0.34 K at 230 GHz and to 222 K at 9 GHz for the continuum maps.
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