Table A.2
Log of observations in 2021.
| UT date (mm/dd.d–dd.d) | 〈rh〉 (au) | 〈 Δ 〉 (au) | Phase(a) | Tel. | Integ. time (min)(c) | pwv(b) (mm) | Mode(d) | Freq. range (GHz) |
|---|---|---|---|---|---|---|---|---|
| 11/12.01–12.17 | 1.217 | 0.418 | 48.4° | IRAM | 164 | 4.2 | WSW | 248.7-256.5, 264.4-272.2 |
| 12.24–12.37 | 1.217 | 0.418 | 48.3° | IRAM | 121 | 5.1 | WSW | 240.4-248.1, 256.0-263.8 |
| 11/13.01–13.08 | 1.218 | 0.418 | 48.2° | IRAM | 69 | 5.5 | WSW | 248.7-256.5, 264.4-272.2 |
| 13.11–13.18 | 1.219 | 0.418 | 48.1° | IRAM | 79 | 6.4 | WSW | 146.9-154.7, 162.6-170.4 |
| 13.23–13.40 | 1.219 | 0.418 | 48.1° | IRAM | 159 | 6.5 | WSW | 146.9-154.7, 162.6-170.4 |
| 11/13.98–14.04 | 1.220 | 0.418 | 47.9° | IRAM | 65 | 4.4 | WSW | 83.2-90.9, 225.0-232.8 |
| 14.07–14.08 | 1.220 | 0.418 | 47.9° | IRAM | 14 | 4.2 | WSW | 248.7-256.5, 264.4-272.2 |
| 14.10–14.15 | 1.220 | 0.418 | 47.9° | IRAM | 44 | 4.0 | PSW | 248.7-256.5, 264.4-272.2 |
| 14.25–14.37 | 1.220 | 0.418 | 47.8° | IRAM | 99 | 6-5 | PSW | 209.7-217.5, 225.4-233.1 |
| 11/14.98–15.01 | 1.221 | 0.418 | 47.7° | IRAM | 28 | 3.2 | PSW | 83.2-90.9, 225.0-232.8 |
| 15.04–15.10 | 1.222 | 0.418 | 47.6° | IRAM | 60 | 4.1 | PSW | 248.7-256.5, 264.4-272.2 |
| 15.13–15.18 | 1.222 | 0.418 | 47.6° | IRAM | 44 | 3.2 | PSW | 146.9-154.7, 162.6-170.4 |
| 15.23–15.28 | 1.222 | 0.418 | 47.6° | IRAM | 48 | 2.5 | PSW | 146.9-154.7, 162.6-170.4 |
| 15.29–15.37 | 1.222 | 0.418 | 47.6° | IRAM | 64 | 1.5 | PSW | 240.4-248.1, 256.0-263.8 |
| 11/15.99–16.06 | 1.223 | 0.419 | 47.4° | IRAM | 64 | 1.4 | PSW | 224.9-232.7, 240.6-248.3 |
| 16.08–16.15 | 1.223 | 0.419 | 47.4° | IRAM | 62 | 1.2 | PSW | 248.7-256.5, 264.4-272.2 |
| 16.22–16.30 | 1.224 | 0.419 | 47.3° | IRAM | 76 | 2.0 | PSW | 146.9-154.7, 162.6-170.4 |
| 16.32–16.38 | 1.224 | 0.419 | 47.3° | IRAM | 64 | 1.2 | PSW | 217.8-225.6, 233.5-241.2 |
| 12/12.35–12.36 | 1.311 | 0.438 | 35.1° | IRAM | 9 | 2.8 | WSW | 248.4-256.5, 264.4-272.5 |
| 12/13.35–13.37 | 1.315 | 0.440 | 34.4° | IRAM | 19 | 0.7 | WSW | 248.4-256.5, 264.4-272.5 |
| 11/16.99–17.01 | 1.225 | 0.419 | 47.1° | Odin | 2 | 0.0 | DSW | 556.4-557.4 |
Notes. (a)Phase angle. (b)Mean precipitable water vapour in the atmosphere above the telescope. (c)Total (offset positions included) integration time (ON+OFF) on the source. (d)Observing mode: WSW = Wobbler SWitching (reference at ±3′); PSW = Position SWitching (reference at 5′); DSW = Dicke SWitching (reference at ~ 40°).
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