Table 2
Orbital solution for the sample stars.
| AH Cep | DH Cep | XZ Cep | ||||
| Primary | Secondary | Primary | Secondary | Primary | Secondary | |
|
|
||||||
| P [day] | 1.774727 (fixed) | 2.11095 (fixed) | 5.097253 (fixed) | |||
| e | 0.0 (fixed) | 0.0 (fixed) | 0.0 (fixed) | |||
| ω [°] | – | – | – | |||
| T0 [HJD − 2 450 000] | 6526.783 ± 0.008 | 6525.564 ± 0.006 | 6522.656 ± 0.014 | |||
| q (M1/M2) | 1.132 ± 0.056 | 1.149 ± 0.020 | 2.013 ± 0.092 | |||
| γ [km s-1] | −14.69 ± 5.29 | −13.43 ± 5.53 | −46.43 ± 2.47 | −51.95 ± 2.65 | −24.47 ± 3.49 | −25.58 ± 4.39 |
| K [km s-1] | 236.46 ± 7.33 | 267.57 ± 8.29 | 234.81 ± 3.97 | 269.70 ± 4.56 | 122.86 ± 3.49 | 247.29 ± 7.03 |
| asini [R⊙] | 8.29 ± 0.26 | 9.38 ± 0.29 | 9.79 ± 0.17 | 11.24 ± 0.19 | 12.37 ± 0.35 | 24.89 ± 0.71 |
| Msin3i [M⊙] | 12.49 ± 0.78 | 11.04 ± 0.66 | 15.01 ± 0.66 | 13.07 ± 0.57 | 17.88 ± 1.14 | 8.88 ± 0.46 |
| rms [km s-1] | 14.36 | 8.78 | 9.09 | |||
|
|
||||||
| V382 Cyg | V478 Cyg | Y Cyg | ||||
| Primary | Secondary | Primary | Secondary | Primary | Secondary | |
|
|
||||||
| P [day] | 1.885545 (fixed) | 2.880867 (fixed) | 2.9963316 (fixed) | |||
| e | 0.0 (fixed) | 0.0 (fixed) | 0.128 ± 0.016 | |||
| ω [°] | – | – | 168.63 ± 4.95 | |||
| T0 [HJD − 2 450 000] | 6527.020 ± 0.003 | 6525.763 ± 0.006 | 6526.454 ± 0.041 | |||
| q (M1/M2) | 1.376 ± 0.009 | 1.046 ± 0.040 | 1.053 ± 0.017 | |||
| γ [km s-1] | −32.04 ± 1.30 | −29.88 ± 1.60 | −21.87 ± 3.80 | −23.87 ± 3.86 | −68.55 ± 2.90 | −61.47 ± 2.99 |
| K [km s-1] | 257.32 ± 1.46 | 354.11 ± 2.01 | 222.11 ± 5.43 | 232.28 ± 5.67 | 232.41 ± 3.00 | 244.81 ± 3.16 |
| asini [R⊙] | 9.58 ± 0.05 | 13.19 ± 0.08 | 12.64 ± 0.31 | 13.22 ± 0.32 | 13.64 ± 0.18 | 14.37 ± 0.19 |
| Msin3i [M⊙] | 25.85 ± 0.38 | 18.78 ± 0.27 | 14.31 ± 0.72 | 13.68 ± 0.68 | 16.87 ± 0.53 | 16.02 ± 0.50 |
| rms [km s-1] | 5.55 | 10.13 | 12.41 | |||
Notes. 1σ errors are given. For circular systems, T0 refers to the time of the conjunction (primary in front) and for the eccentric system, T0 refers to the periastron passage. The parameters γ, K, and asini denote the apparent systemic velocity, the semiamplitude of the RV curve, and the projected separation between the center of the star and the center of mass of the binary system.
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