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Table 2
CoRoT-9 system parameters.
Stellar parameters | |
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Stellar mass [M⊙] | 0.96 ± 0.04 |
Stellar radius [R⊙] | 0.96 ± 0.06 |
Stellar density ρ∗ [gcm-3] | 1.51 ± 0.30 |
Age t [Gyr] | 6 ± 3 |
Effective temperature Teff [K]a | 5625 ± 80 |
Stellar surface gravity log g [cgs]a | 4.54 ± 0.09 |
Stellar metallicity [Fe/H] [dex]a | –0.01 ± 0.06 |
Stellar rotational velocity Vsini∗ [ km s-1]a | < 3.5 |
CoRoT limb-darkening coefficient q1 |
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CoRoT limb-darkening coefficient q2 |
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CoRoT limb-darkening coefficient ua | 0.41 ± 0.09 |
CoRoT limb-darkening coefficient ub | 0.22 ± 0.17 |
Spitzer limb-darkening coefficient q1 |
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Spitzer limb-darkening coefficient q2 |
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Spitzer limb-darkening coefficient ua |
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Spitzer limb-darkening coefficient ub |
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Systemic velocity Vr [ km s-1] | 19.8150 ± 0.0017 |
Radial-velocity jitter sj [ m s-1] | < 3.9 |
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Transit and orbital parameters | |
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Orbital period P [d] | 95.272656 ± 0.000068 |
Transit epoch T0 [ BJDTDB−2 450 000]b | 5365.52723 ± 0.00037 |
Transit duration T14 [d] |
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CoRoT bandpass radius ratio Rp/R∗c |
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Spitzer bandpass radius ratio Rp/R∗c |
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Inclination i [deg] |
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a/R∗ | 89.9 ± 5.9 |
Impact parameter b |
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Orbital eccentricity e |
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Argument of periastron ω [deg] |
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Radial-velocity semi-amplitude K [ m s-1] | 39.0 ± 2.4 |
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Planetary parameters | |
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Planet mass Mp [MJup] | 0.84 ± 0.05 |
Planet radius Rp [RJup] |
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Planet density ρp [gcm-3] |
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Planet surface gravity log gp [cgs] | 3.26 ± 0.06 |
Orbital semimajor axis a [AU] | 0.4021 ± 0.0054 |
Equilibrium temperature Teq [K]d | 420 ± 16 |
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