Table 2
Orbital parameters for the planets.
Parameter | HD 103774b | HD 109271b | HD 109271c | BD− 061339b | BD− 061339c | ||||||
|
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P | [days] | 5.8881 ± 0.0005 | 7.8543 ± 0.0009 | 30.93 ± 0.02 | 3.8728 ± 0.0004 | 125.94 ± 0.44 | |||||
T | [JD-2 400 000] | 55 675.4 ± 2.0 | 55 719.1 ± 3.6 | 55 733 ±8 | 55 220.50 ± 0.10 | 55 265.2 ± 17.6 | |||||
e | 0.09 ± 0.04 | 0.25 ± 0.08 | 0.15 ±0.09 | 0.0 (fixed) | 0.31 ± 0.11 | ||||||
ω | [deg] | –42 ± 64 | –64 ± 20 | 4 ± 120 | 0.0 (fixed) | 41 ± 55 | |||||
K | [m s-1] | 34.3 ± 1.8 | 5.6 ± 0.5 | 4.9 ± 0.4 | 4.4 ± 0.6 | 9.1 ± 2.9 | |||||
msini | [MJup] | 0.367 ± 0.022 | 0.054 ± 0.004 | 0.076 ± 0.007 | 0.027 ± 0.004 | 0.17 ± 0.03 | |||||
msini | [MEarth] | 116 ± 7 | 17 ± 1 | 24 ± 2 | 8.5 ± 1.3 | 53 ± 8 | |||||
a | [AU] | 0.070 ± 0.001 | 0.079 ± 0.001 | 0.196 ± 0.003 | 0.0428 ± 0.0007 | 0.435 ± 0.007 | |||||
|
|||||||||||
V | [km s-1] | –3.049 ± 0.003 | –4.903±0.001 | –4.903± 0.001 | 23.625 ± 0.003 | 23.625 ± 0.003 | |||||
N meas | 102 | 87 | 87 | 102 | 102 | ||||||
Time span | [days] | 2734 | 2683 | 2683 | 2955 | 2955 | |||||
⟨ δ RV⟩ | [m s-1] | 2.6 | 0.9 | 0.9 | 2.7 | 2.7 | |||||
σ (O–C) | [m s-1] | 11.43 | 2.05 | 2.05 | 4.3 | 4.3 | |||||
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15.7 ± 0.6 | 4.6 ± 0.3 | 4.6 ± 0.3 | 2.47 ± 0.23 | 2.47 ± 0.23 |
Notes.P: period, T: time at periastron passage, e: eccentricity, ω: argument of periastron, K: semi-amplitude of the radial velocity curve, msini: projected planetary mass, a: semi-major orbital axis, V: average radial velocity, Nmeas: number of measurements, ⟨ δ RV⟩: average uncertainty on the radial velocity measurements, σ (O–C): root mean square of the residuals from the Keplerian fit.
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