Table 1
Updated astrometric parameters of the DE0823−49 system.
|
(mas) |
|
| Δδ0 | (mas) |
|
| ϖ | (mas) | 48.27 |
| μα∗ | (mas yr-1) |
|
| μδ | (mas yr-1) | 7.99 |
| e | 0.36 |
|
| ω | (deg) | 41.8 |
| P | (day) | 247.75 |
| λRef | (deg) | -365.8 |
| Ω | (deg) | −13.8 ± 2.0 |
| i | (deg) | 52.2 |
| α | (mas) | 4.62 |
| ρ | (mas) | 20.8 |
| d | (mas) | −26.2 ± 1.5 |
| s α | (mas) |
|
| s δ | (mas) |
|
| Derived and additional parameters | ||
| TRef | (MJD) | 55 926.823928 |
| Δϖ | (mas) | −0.06 ± 0.04 |
| ϖabs | (mas) | 48.33 ± 0.14 |
| Distance | (pc) | 20.69 ± 0.06 |
| Number of epochs/frames | 16/334 | |
| σO−C,Epoch | (mas) | 0.176 |
Notes. Parameter values are the median of the marginal parameter distributions and uncertainties represent 1σ-equivalent ranges. The proper motions are not absolute and were measured relative to the local reference frame. The inclination is measured relative to the sky plane.
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