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Table 1.
Summary of observations.
| Total | Calibratora | |||||
|---|---|---|---|---|---|---|
| Date | integration | Seeing | Coherence time | spectral type | ||
| Time(UTC) | time (min) | (″) | at 500 nm (ms) | diameter (mas) | Jet precessional phasec | Orbital phased |
| 2017-07-07 | HD 183518 | |||||
| 6:25-8:10 | A3V | |||||
| Epoch 1 | 70 | 0.4–0.6 | 4–6 | 0.157 ± 0.002 | 0.895 | 0.252 |
| 2017-07-09 | HD 185440 | |||||
| 6:35-8:10 | A2/3Vb | |||||
| Epoch 2 | 60 | 0.5–0.7 | 8–13 | 0.218 ± 0.002 | 0.907 | 0.405 |
| 2017-07-10 | HD 188107 | |||||
| 6:25-6:55 | B9V | |||||
| Epoch 3 | 20 | 0.4–0.5 | 7–9 | 0.173 ± 0.002 | 0.913 | 0.480 |
Notes.
(a)
Based on Chelli et al. (2016).
(c)
Based on the kinematic parameters in Eikenberry et al. (2001). Phase zero is when the eastern/western jet is maximally blue/redshifted.
(d)
Based on the orbital parameters in Goranskij (2011). Phase zero corresponds to the eclipse center of the accretion disk.
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