Table A.2
Observational circumstances.
| UT date | RA | Dec | LPAB | BPAB | α | r | Δ | V | Telescope | Seeing | Sky |
|---|---|---|---|---|---|---|---|---|---|---|---|
| (DD/MM/YY) | (h) | (°) | (°) | (°) | (°) | (AU) | (AU) | (Mag) | (′′) | condition | |
| 11.4/11/2017 | 106.44 | +35.25 | 87.1 | 9.5 | 33.1 | 1.496 | 0.695 | 16.08 | LOAO | 3.2 | Cirrus |
| 12.4/11/2017 | 106.49 | +35.35 | 87.2 | 9.5 | 32.9 | 1.485 | 0.675 | 15.99 | LOAO | 2.7 | Cirrus |
| 13.4/11/2017 | 106.52 | +35.45 | 87.3 | 9.6 | 32.8 | 1.473 | 0.654 | 15.90 | LOAO | 2.7 | Cirrus |
| 16.8/11/2017 | 106.47 | +35.86 | 87.6 | 9.6 | 32.1 | 1.432 | 0.583 | 15.57 | TShAO | 3.2 | Clear |
| 19.8/11/2017 | 106.22 | +36.29 | 87.8 | 9.6 | 31.3 | 1.396 | 0.522 | 15.26 | TShAO | 2.5 | Clear |
| 19.9/11/2017 | 106.22 | +36.30 | 87.8 | 9.6 | 31.3 | 1.395 | 0.522 | 15.25 | MAO | 2.3 | Clear |
| 20.8/11/2017 | 106.08 | +36.45 | 87.9 | 9.6 | 31.1 | 1.384 | 0.503 | 15.15 | TShAO | 2.3 | Clear |
| 20.9/11/2017 | 106.07 | +36.46 | 87.9 | 9.6 | 31.0 | 1.383 | 0.502 | 15.14 | MAO | 2.2 | Clear |
| 21.8/11/2017 | 105.91 | +36.62 | 87.9 | 9.7 | 30.7 | 1.371 | 0.483 | 15.03 | TShAO | 2.8 | Clear |
| 21.9/11/2017 | 105.90 | +36.63 | 87.9 | 9.7 | 30.7 | 1.370 | 0.482 | 15.02 | MAO | 1.8 | Clear |
| 22.8/11/2017 | 105.70 | +36.81 | 87.9 | 9.7 | 30.4 | 1.359 | 0.463 | 14.91 | TShAO | 3.6 | Clear |
| 22.9/11/2017 | 105.69 | +36.82 | 87.9 | 9.7 | 30.4 | 1.358 | 0.462 | 14.90 | MAO | 1.7 | Clear |
| 23.9/11/2017 | 105.44 | +37.02 | 88.0 | 9.7 | 30.0 | 1.345 | 0.442 | 14.78 | MAO | 1.7 | Cirrus |
| 24.7/11/2017 | 105.21 | +37.18 | 88.0 | 9.7 | 29.7 | 1.335 | 0.427 | 14.68 | SOAO | 4.8 | Cirrus |
| 26.7/11/2017 | 104.48 | +37.65 | 87.9 | 9.8 | 28.8 | 1.309 | 0.389 | 14.40 | SOAO | 4.2 | Clear |
| 27.9/11/2017 | 103.91 | +37.98 | 87.8 | 9.9 | 28.2 | 1.293 | 0.365 | 14.22 | MAO | 3.7 | Cirrus |
| 01.6/12/2017 | 101.34 | +39.22 | 87.3 | 10.1 | 25.9 | 1.242 | 0.294 | 13.60 | BOAO | 1.7 | Clear |
| 07.6/12/2017 | 91.75 | +42.39 | 84.4 | 11.0 | 20.7 | 1.156 | 0.185 | 12.28 | CBNUO | 3.5 | Clear |
| 15.2/12/2017 | 33.6 | +40.54 | 64.1 | 14.2 | 41.4 | 1.040 | 0.076 | 10.72 | OWL | 4.8 | Clear |
| 15.6/12/2017 | 26.86 | +38.13 | 61.1 | 14.3 | 46.6 | 1.033 | 0.073 | 10.76 | SLT | 4.2 | Cirrus |
| 16.2/12/2017 | 18.28 | +34.17 | 57.1 | 14.3 | 54.1 | 1.023 | 0.070 | 10.86 | OWL | 4.3 | Clear |
| 17.1/12/2017 | 5.23 | +26.07 | 50.1 | 13.7 | 67.2 | 1.008 | 0.068 | 11.18 | OWL | 4.5 | Clear |
Notes. UT date corresponding to the mid time of the observation, J2000 coordinates of Phaethon (RA and Dec), Phase Angle Bisector (PAB) – the bisected arc between the Earth-asteroid and Sun-asteroid lines – ecliptic longitude (LPAB) and ecliptic latitude (BPAB), the solar phase angle (α), the helicentric (r), and the topocentric distances (Δ), the apparent predicted magnitude (V), average seeing and sky condition.
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