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Table A.1

Details of APEX observations of CK Vul.

Central T sys Time on Bandwidth rmsa η mb Beam Observation
Freq. source FWHM dates
(MHz) (K) (min) (GHz) (mK) (′′)

171311.9b 141 23.8 4.0 1.2 0.78 36.4 6-Jun.-2015
172811.8 142 20.8 4.0 1.2 0.78 36.1 6-Jun.-2015
183310.1b 915 23.8 4.0 7.7 0.77 34.0 6-Jun.-2015
184810.0b 540 20.8 4.0 6.9 0.77 33.8 6-Jun.-2015
187400.3 293 415.8 4.0 0.6 0.77 33.3 4, 5, 6, 7-Nov.-2015, 9, 10, 11-Apr.-2016
199400.0 162 415.8 4.0 0.3 0.76 31.3 4, 5, 6, 7-Nov.-2015, 9, 10, 11-Apr.-2016
218800.0 151 39.7 4.0 1.0 0.75 28.5 9-May-2014
226739.6b,c 183 15.1 4.0 3.7 0.75 27.5 5-May-2014
230538.0 183 12.8 4.0 3.5 0.75 27.1 4, 5-May-2014
243100.0 177 41.6 4.0 19.8 0.74 25.7 9-Jun.-2015
259011.8b 258 93.5 4.0 1.0 0.73 24.1 5, 9, 10-May-2014
262900.0b 293 58.0 4.0 27.4 0.73 23.7 4-Jun.-2015
266721.9 268 5.5 4.0 3.9 0.73 23.4 5-May-2014
271981.0 225 97.1 4.0 0.9 0.73 22.9 18, 19-Jul.-2017
280500.0b 156 53.4 4.0 0.7 0.72 22.2 8-May-2014, 9-Jul.-2014
283979.7b 217 97.1 4.0 0.8 0.72 22.0 18, 19-Jul.-2017
287364.0 162 26.1 4.0 1.1 0.72 21.7 19-May-2014
292498.5b 155 53.4 4.0 0.7 0.72 21.3 8-May-2014, 9-Jul.-2014
293701.8b 201 26.8 4.0 34.9 0.72 21.2 5-Jun.-2015
293801.8b 193 11.9 4.0 52.4 0.72 21.2 5-Jun.-2015
296601.8b 197 23.9 4.0 36.4 0.72 21.0 5-Jun.-2015
299362.5b 154 26.1 4.0 0.9 0.72 20.8 19-May-2014
305700.0 202 26.8 4.0 38.0 0.71 20.4 5-Jun.-2015
305800.0b 193 11.9 4.0 52.9 0.71 20.4 5-Jun.-2015
308600.0b 204 23.9 4.0 40.1 0.71 20.2 5-Jun.-2015
330588.0b 393 21.9 4.0 2.6 0.70 18.9 8-May-2014
333797.5b 240 14.0 4.0 2.3 0.70 18.7 6-May-2014
336301.5b 186 40.0 4.0 0.9 0.70 18.6 6, 8, 14-May-2014
340247.8 192 22.4 4.0 1.5 0.70 18.3 6-May-2014, 9-Jul.-2014
342586.4b 266 21.9 4.0 1.9 0.69 18.2 8-May-2014
343601.5b 196 44.1 4.0 1.4 0.69 18.2 6, 14, 15-May-2014
345796.0b 228 14.0 4.0 2.6 0.69 18.0 6-May-2014
348300.0b 196 40.0 4.0 1.0 0.69 17.9 6, 8, 14-May-2014
352246.3b 237 22.4 4.0 1.4 0.69 17.7 6, 9-Jul.-2014
355600.0 228 44.1 4.0 1.3 0.69 17.5 6, 14, 15-May-2014
392500.0b 870 64.1 4.0 74.6 0.67 15.9 5-Jun.-2015
393749.9 545 28.4 4.0 2.4 0.67 15.8 9-Jul.-2014
398306.3 484 56.4 4.0 1.4 0.67 15.7 14, 15-May-2014
403086.0b 452 14.2 4.0 3.1 0.67 15.5 9-Jul.-2014
404498.2b 575 64.1 4.0 42.6 0.66 15.4 5-Jun.-2015
405748.8b 416 28.4 4.0 1.9 0.66 15.4 9-Jul.-2014
407963.5b 442 26.1 4.0 2.6 0.66 15.3 19-May-2014
410304.8 449 56.4 4.0 1.5 0.66 15.2 14, 15-May-2014
415085.0 449 14.2 4.0 2.7 0.66 15.0 9-Jul.-2014
419962.0 610 26.1 4.0 3.5 0.66 14.9 19-May-2014
428766.7 1165 40.4 4.0 8.1 0.65 14.6 6, 8-May-2014
440765.2 5137 40.4 4.0 29.7 0.65 14.2 6, 8-May-2014
461040.8 1085 48.0 4.0 4.8 0.64 13.5 6, 8-May-2014
473039.2 4949 48.0 4.0 36.9 0.63 13.2 6, 8-May-2014
479201.5 1186 7.9 4.0 10.8 0.63 13.0 6-May-2014
491200.0b 1659 7.9 4.0 17.3 0.62 12.7 6-May-2014
492160.0 992 97.1 4.0 2.8 0.62 12.7 18, 19-Jul.-2017
691473.1 2728 88.3 2.9 4.9 0.53 9.0 17-May-2014
806651.8 6236 8.2 2.9 36.2 0.47 7.7 17-May-2014
909158.8 17593 80.1 2.9 42.9 0.42 6.9 17-May-2014

Notes. Only observations longer than 5 min are listed.

(a)

The rms noise level per 40 km s-1 bin.

(b)

Spectral range overlaps with the next setup in the table.

(c)

The higher-frequency half of the spectrum was severely affected by bad performance of the receiver.

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