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Table 1
HD 163296 observational parameters.
| Band 6 | ||
|---|---|---|
| Dates observed | 2016 November 11, December 01; 2017 March 15 | |
| Baselines | 15–1000 m | 12–776 kλ | |
| CH3OH 505–404 (E) | CH3OH 505–404 (A) | |
| Rest frequency (GHz) | 241.700 | 241.791 |
| Synthesized beam (FWHM) | 1.46′′ × 1.13′′ | 1.46′′ × 1.13′′ |
| Position angle | − 76.6° | − 76.6° |
| Channel width (km s−1) | 0.303 | 0.303 |
| rms noisea (mJy beam−1) | 3.0 | 3.0 |
| Weighting | Natural | Natural |
| Continuum frequency (GHz) | 233.0 | |
| Synthesized beam (FWHM) | 0.55′′ × 0.37′′ | |
| Position angle | 76.8° | |
| rms noise (mJy beam−1) | 0.17 | |
| Integrated flux (mJy) | 754 ± 75 | |
| Weighting | Briggs, robust = 0.5 | |
| Band 7 | ||
| Dates observed | ACA | 2016 October 05, 08, 13, 26 |
| 12-m array | 2017 April 13 | |
| Baselines | ACA | 9–49 m | 9–48 kλ |
| 12-m array | 15–460 m | 15–454 kλ | |
| CH3OH 110–101 (A) | CH3OH 211–202 (A) | |
| Rest frequency (GHz) | 303.367 | 304.208 |
| Synthesized beam (FWHM) | 1.37′′ × 1.14′′ | 1.36′′ × 1.15′′ |
| Position angle | 91.1° | 90.6° |
| Channel width (km s−1) | 0.139 | 0.139 |
| rms noisea (mJy beam−1) | 2.5 | 2.5 |
| Weighting | Natural | Natural |
| Continuum frequency (GHz) | 296.0 | |
| Synthesized beam (FWHM) | 0.63′′ × 0.48′′ | |
| Position angle | 87.8° | |
| rms noise (mJy beam−1) | 0.09 | |
| Integrated flux (mJy) | 1288 ± 128 | |
| Weighting | Briggs, robust = 0.5 | |
Notes. Flux calibration accuracy is taken to be 10%. Table 2 shows details for the line transition data. (a) Noise levels are per image channel.
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