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Table 2
KOI-415 system parameters.
| Fitted system parameters | |
|
|
|
| BD orbital period P [days] | 166.78805 ± 0.00022 |
| BD transit epoch T0 [BJDTDB − 2454900] | 178.14187 ± 0.00063 |
| BD transit duration T14 [h] |
|
| Radius ratio Rp/R∗ |
|
| Inclination i [deg] |
|
| Limb-darkening coefficient u+ | 0.70 ± 0.05 |
| Limb-darkening coefficient u− | 0.13 ± 0.12 |
|
0.592 ± 0.005 |
|
0.590 ± 0.005 |
| Radial velocity semi-amplitude K [km s-1] | 3.346 ± 0.021 |
| Systemic velocity Vr [km s-1] | –1.492 ± 0.011 |
| Derived orbital parameters | |
|
|
|
| Orbital eccentricity e | 0.698 ± 0.002 |
| Argument of periastron ω [deg] | 44.9 ± 0.6 |
| Derived transit parameters | |
|
|
|
| a/R∗ |
|
| Stellar density ρ∗ [gcm-3] |
|
| Impact parameter b |
|
| Limb-darkening coefficient ua | 0.42 ± 0.05 |
| Limb-darkening coefficient ub | 0.28 ± 0.07 |
| Atmospheric parameters of the star | |
|
|
|
| Effective temperature Teff[K] | 5810 ± 80 |
| Spectroscopic surface gravity log g [cgs] | 4.5 ± 0.2 |
| Photometric surface gravity log g [cgs] |
|
| Metallicity [Fe/H] [dex] | –0.24 ± 0.11 |
| Stellar rotational velocity Vsini∗ [km s-1] | 1.0 ± 1 |
| Spectral type | G0IV |
| Star and companion physical parameters | |
|
|
|
| Stellar mass [M⊙] | 0.94 ± 0.06 |
| Stellar radius [R⊙] |
|
| BD mass Mb [MJup] | 62.14 ± 2.69 |
| BD radius Rb [RJup] |
|
| BD density ρb [gcm-3] |
|
| BD surface gravity log gb [cgs] |
|
| Age t [Gyr] | 10.5 ± 2.2 |
| Orbital semi-major axis a [AU] | 0.593 ± 0.013 |
| Orbital distance at periastron aper [AU] | 0.179 ± 0.004 |
| Orbital distance at apastron aapo [AU] | 1.006 ± 0.021 |
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