Table 2
Photometric parameters of HD 166734 obtained with PHOEBE. The uncertainties correspond to 1σ.
| Primary | Secondary | |
|
|
||
| i [°] | 63.0 ± 2.7 | |
| Rmean [R⊙] | 27.5 ± 2.3 | 26.8 ± 2.4 |
| Rpole [R⊙] | 26.5 ± 2.0 | 25.9 ± 2.2 |
| Rpoint [R⊙] | 31.6 ± 5.4 | 31.9 ± 7.3 |
| Rside [R⊙] | 27.1 ± 2.1 | 26.0 ± 2.2 |
| Rback [R⊙] | 28.8 ± 2.8 | 28.1 ± 2.8 |
| Mbol [mag] | −9.85 ± 0.17 | −9.58 ± 0.20 |
| Ω | 3.499 | 3.026 |
| A | 1.0 | 1.0 |
| g | 1.0 | 1.0 |
| l 1 / l 2 | 1.28 ± 0.14 | |
Notes. Rpole is the radius toward the pole, Rpoint is the radius measured toward the other component, Rside is the radius measured toward the direction perpendicular to the two above-mentioned axes, Rback toward the Lagrangian point L2 and Rmean is the geometrical mean between Rpole, Rside and Rback. Ω refers to the value of the Roche-model potential used in the WD program. A are the bolometric albedos (coefficients of reprocessing of the emission of a companion by “reflection”) and g represents the gravity darkening coefficients.
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