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Table A.2

Observational parameters for W31C and W3(OH).

Line Obs. date beam size Vres rms ηmb Scaling factor
(GHz) (yyyymmdd) (′′) (km s−1) (Jy) (Jy/K)
W31C
Effelsberg-100 m observations
6.7 20210105 109 0.16 0.02 0.69 0.66
12.2 20210105 62 0.13 0.02 0.67 0.70
19.9 20210514 40 0.66 0.01 0.62 0.83
20.1 20210514 40 0.66 0.01 0.62 0.83
23.1 20210514 36 0.57 0.02 0.60 0.97
23.4 20210514 36 0.57 0.02 0.60 0.97
25 series 20210514 34 0.53 0.02 0.58 1.02
36 20200914 24 0.37 0.04 0.47 1.19
37.7 20200914 23 0.35 0.04 0.44 1.27
38.3 20200914 23 0.35 0.04 0.44 1.27
38.5 20200914 23 0.34 0.05 0.44 1.27
44 20200530 20 0.30 0.04 0.39 1.47
IRAM-30 m observations
84 20110408 29 0.80 0.26 0.81 5.82
85.6 20200629 29 0.79 0.08 0.81 5.82
86.6 20200629 28 0.78 0.09 0.81 5.82
86.9 20200629 28 0.78 0.08 0.81 5.82
95 20110409 26 0.71 0.16 0.81 5.82
104 20200629 24 0.65 0.10 0.78 5.98
107 20200629 23 0.61 0.13 0.78 5.98
108 20110411 23 0.62 0.20 0.78 5.98
111 20110411 22 0.61 0.29 0.78 5.98
APEX-12 m observations
216 20190612 29 0.17 0.60 0.72 40
218 20190612 29 0.17 0.71 0.72 40
220 20190612 28 0.17 0.64 0.72 40
229 20190601 27 0.16 0.74 0.72 40
230 20190601 27 0.16 0.72 0.72 40
231 20190601 27 0.16 1.14 0.72 40
232 20190601 27 0.16 0.73 0.72 40
234 20190601 27 0.16 0.88 0.72 40
W3(OH)
Effelsberg-100 m observations
19.9 20210513 40 0.66 0.01 0.62 0.83
20.1 20210513 40 0.66 0.01 0.62 0.83
23.1 20210513 36 0.57 0.01 0.60 0.97
23.4 20210513 36 0.57 0.01 0.60 0.97
25 series 20210513 34 0.53 0.01 0.58 1.02
IRAM-30 m observations
95.914 20190629 26 0.71 0.03 0.81 5.82
97.582 20190629 25 0.70 0.02 0.81 5.82
143.865 20190629 17 0.47 0.03 0.73 6.32

Notes. The scaling factor is used for the conversion between antenna temperature and flux density. For APEX observations, the velocity resolution is given after once Hanning smoothing. For information on the Effelsberg-100 m: https://eff100mwiki.mpifr-bonn.mpg.de/doku.php?id=information_for_astronomers:rx_list, for the IRAM-30 m: https://publicwiki.iram.es/Iram30mEfficiencies, for the APEX telescope: http://www.apex-telescope.org/telescope/efficiency/index.php?orderBy=mJyK&planetBy=all&yearBy=2019&sortAs=DESC

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