Table 2
Summary of source parameters.
| Source | Coordinates (J2000) | d | υLSR | Frequency | θmaj × θmin | PA | rms | Scont.peak | |
|---|---|---|---|---|---|---|---|---|---|
| α [hh:mm:ss] | δ [hh:mm:ss] | [kpc] | [km s−1] | [GHz] | [″ × ″] | [°] | [mJy/beam] | [Jy] | |
| Sgr B2 (M) | 17:47:20.50 | −28:23:06.00 | 8.2 | 64.0 | 701 | 27.6 × 27.4 | 71.4 | 5.8 | 0.69 |
| 703 | 25.7 × 22.5 | −2.8 | 4.2 | 0.67 | |||||
| 722 | 30.2 × 25.0 | 6.2 | 5.7 | 0.70 | |||||
| 724 | 32.3 × 26.8 | −6.4 | 6.4 | 0.81 | |||||
| M8 | 18:03:37.00 | −24: 23: 12.00 | 1.3 | 10.0 | 701 | 38.0 × 22.6 | 18.0 | 26.4 | 1.80 |
| 703 | 33.7 × 22.8 | 23.8 | 25.7 | 1.81 | |||||
| 722 | 41.2 × 26.5 | 18.0 | 21.8 | 1.64 | |||||
| 724 | 43.6 × 27.9 | 14.5 | 21.9 | 1.65 | |||||
| M17 | 18:20:47.00 | −16:10:18.00 | 1.8 | 22.0 | 701 | 46.6 × 40.2 | 36.2 | 9.3 | 2.60 |
| 703 | 28.7 × 21.4 | 32.6 | 16.3 | 2.44 | |||||
| 722 | 33.8 × 23.9 | 33.1 | 17.2 | 2.31 | |||||
| 724 | 33.4 × 24.4 | 33.3 | 13.3 | 2.39 | |||||
| W43 | 18:47:32.40 | −01:56:31.00 | 3.1 | 97.8 | 701 | 20.8 × 15.2 | 43.7 | 2.0 | 1.44 |
| 703 | 25.5 × 18.2 | 57.1 | 0.8 | 1.85 | |||||
| 722 | 33.1 × 21.2 | 50.5 | 1.2 | 1.79 | |||||
| 724 | 31.6 × 22.1 | 44.2 | 2.5 | 1.40 | |||||
| W51 E | 19:23:43.90 | +14: 30: 31.00 | 5.4 | 57.0 | 701 | 35.5 × 26.2 | 33.2 | 8.4 | 3.11 |
| 703 | 35.5 × 30.1 | 27.0 | 4.7 | 2.34 | |||||
| 722 | 38.6 × 26.9 | 39.8 | 6.8 | 3.06 | |||||
| 724 | 42.1 × 31.2 | 32.9 | 24.9 | 2.36 | |||||
| DR21 Main | 20:39:01.59 | +42:19:37.80 | 1.5 | −4.0 | 701 | 10.2 × 6.4 | 36.2 | 2.4 | 2.33 |
| 703 | 13.9 × 8.4 | 44.4 | 2.1 | 2.16 | |||||
| 722 | 13.9 × 8.3 | 44.4 | 1.6 | 2.23 | |||||
| 724 | 10.2 × 6.5 | 43.5 | 4.4 | 2.39 | |||||
Notes. The columns are (from left to right): the source designation, the equatorial source coordinates, the heliocentric distances, systemic velocity of the source, FWHM of the synthesised beams (θmaj × θmin), position angles (PA) and the root-mean-square (rms) noise levels of the CH lines and the continuum peak near 700 MHz, respectively. The rms noise levels are quoted for a spectral channel width of 1.3 km s−1. For the heliocentric distances: Sgr B2 (M), W43: Reid et al. (2019); M8: Damiani et al. (2019); M17: Gaia Collaboration (2018); W51 E: Sato et al. (2010); DR21 Main: Rygl et al. (2012).
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