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Table 5
Parameter posteriors for the HD 1461 system.
Orbital parameters | Planet b | Planet c | Magnetic cycle | |
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Orbital period, P• | [days] | 5.77152 ± 0.00045 | 13.5052 ± 0.0029 | 3503 ± 80 |
RV amplitude, K• | [m s-1] | 2.28 ± 0.15 | 1.49 ± 0.17 | 1.51 ± 0.26 |
Eccentricity, e• | <0.131; <0.172† | <0.228; <0.305† |
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Argument of periastron, ω• | [deg] | –† | –† | 294 ± 15 |
e1/2cos(ω) | 0.131 ± 0.09 • | |||
e1/2sin(ω) | − 0.298 ± 0.068 • | |||
Mean longitude at epoch, L0• | [deg] | 271.6 ± 4.1 | 317.9 ± 6.6 | 148.6 ± 6.7 |
Systemic velocity, V0• | [km s-1] | − 10.05960 ± 1.7 × 10-4 | ||
Semi-major axis of relative orbit, a | [AU] | 0.0634 ± 0.0022 | 0.1117 ± 0.0039 | – |
Minimum mass, Msini | [M⊕] | 6.44 ± 0.61 | 5.59 ± 0.73 | – |
Noise model‡ | ||||
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Additional noise at ![]() |
[m s-1] |
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Slope, αJ• | [ m s-1/dex] | 25.5 ± 6.4 | ||
Additional noise at ⟨![]() |
[m s-1] | 1.67 ± 0.09 | ||
rms(O−C) | [m s-1] | 2.260 ± 0.067 |
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