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Table 2
System parameters of K2-265 obtained from PASTIS.
| Parameter | Value and uncertainty |
|---|---|
| Stellar parameters | |
| Star A | |
| Effective temperature Teff (K) | 5477 ± 27 |
| Surface gravity log g (cgs) | 4.419 ± 0.053 |
| Iron abundance [Fe/H] (dex) | 0.078 ± 0.020 |
| Distance to Earth D (pc) | 145 ± 8 |
| Interstellar extinction E(B − V) (mag) |  |
| Systemic radial velocity γ (km s−1) | − 18.186 ± 0.002 |
| Stellar density ρ⋆ ∕ρ⊙ | 0.98 ± 0.19 |
| Stellar mass M⋆ (M⊙) | 0.915 ± 0.017 |
| Stellar radius R⋆ (R⊙) | 0.977 ± 0.053 |
| Stellar age τ (Gyr) | 9.7 ± 3.0 |
| Star B | |
| Effective temperature Teff (K) | 3428 ± 22 |
| Surface gravity log g (cgs) | 4.870 ± 0.017 |
| Stellar mass M⋆ (M⊙) | 0.40 ± 0.0.01 |
| Stellar radius R⋆ (R⊙) |  |
| Planet parameters | |
| Orbital period P (d) | 2.369172 ± 8.9 × 10−5 |
| Transit epoch T0 (BJD - 2456000) | 981.6431 ± 1.6 × 10−3 |
| Radial velocity semi-amplitude K (m s−1) | 3.34 ± 0.43 |
| Orbital inclination i (°) | 87.7 ± 1.6 |
| Planet-to-star radius ratio k | 0.01604 ± 0.00041 |
| Orbital eccentricity e | 0.084 ± 0.079 |
| Impact parameter b | 0.30 ± 0.20 |
| Transit duration T14 (h) | 2.266 ± 0.050 |
| Semi-major axis a (AU) | 0.03376 ± 0.00021 |
| Planet mass Mp (M⊕) | 6.54 ± 0.84 |
| Planet radius Rp (R⊕) | 1.71 ± 0.11 |
| Planet bulk density ρp (g cm−3) | 7.1 ± 1.8 |
Notes. Stellar parameters of Star B were derived as described in Sect. 3.2.
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