Table 5
New orbital parameters with 1σ errors for the β Cep system, which is based on radial velocity measurements in this paper.
Parameter | This paper | PB92 | A06 |
|
|||
Porb (yr) | 84.5 ± 0.6 | 91.6 ± 3.7 | 83 ± 9 |
e | 0.74 ± 0.11 | 0.65 ± 0.03 | 0.732 ± 0.16 |
ω (°) | 217 ± 61 | 194 ± 4 | 194.6 ± 2.5 |
T 0 | 1914.6 (fixed) | 1914.6 ± 0.4 | 1997.99 ± 0.10 |
K1 (km s-1) | 8.2 ± 1.3 | 8.0 ± 0.5 | |
γ (km s-1) | −7.5 ± 7.5 | −6.6 ± 0.4 | |
i (°) | 87.3 ± 1.5 | ||
a (′′) | 0.195 ± 0.08 | ||
Ω (°) | 46.4 ± 1.5 |
Notes.For comparison, the values are listed as given by Pigulski & Boratyn (1992, PB92), which are based on radial velocities, and Andrade (2006, A06), which are based on interferometric data.
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