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Table A.1
Stellar physical parameters obtained by the different techniques for Kepler-278 and Kepler-391.
| # | Method | Input parameters | M⋆ [M⊙] | R⋆ [R⊙] | τ⋆ [Gyr] | ρ⋆ [g cm−3] |
|---|---|---|---|---|---|---|
| Kepler-278 | ||||||
| 1 | PARAM 1.3 (Parsec iscochrones) | Teff, [Fe/H], V, π | 1.325 ± 0.060 | 2.973 ± 0.152 | 4.466 ± 0.630 | 0.071 ± 0.006 |
| 2 | PARAM 1.3 (Parsec iscochrones) | Teff, [Fe/H], Δν, νmax | 1.227 ± 0.061 | 2.861 ± 0.057 | 5.761 ± 1.019 | 0.074 ± 0.005 |
| 3 | q2 (Yonsei-Yale isochrones) | Teff, [Fe/H], log g | 1.370 ± 0.073 | 2.900 ± 0.241 | 4.200 ± 0.810 | 0.079 ± 0.009 |
| 4 | q2 (Yonsei-Yale isochrones) | Teff, [Fe/H], V, π | 1.380 ± 0.150 | 2.850 ± 0.471 | 3.600 ± 1.500 | 0.084 ± 0.019 |
| 6 | Asteroseismic scaling relations (a) | Teff, Δν, νmax | 1.283 ± 0.077 | 2.922 ± 0.058 | N/A | 0.072 ± 0.005 |
| 7 | Direct (b) | R⋆ (Fbol, Teff, π); M⋆ (R⋆, ρ⋆,seis) | 1.455 ± 0.019 | 3.055 ± 0.076 | N/A | 0.072 ± 0.002 |
| 7 | Direct (b) | R⋆ (Fbol, Teff, π); M⋆ (R⋆, log g) | 1.284 ± 0.384 | 3.055 ± 0.076 | N/A | 0.063 ± 0.020 |
| 8 | Empirical calibration (c) | Teff, [Fe/H], log g | 1.274 ± 0.150 | 3.005 ± 0.183 | N/A | 0.066 ± 0.011 |
| 9 | Empirical calibration (d) | Teff, [Fe/H], ρ⋆,seis | 1.223 ± 0.143 | 2.940 ± 0.095 | N/A | 0.068 ± 0.009 |
| Kepler-391 | ||||||
| 1 | PARAM 1.3 (Parsec iscochrones) | Teff, [Fe/H], V, π | 1.296 ± 0.080 | 2.879 ± 0.318 | 4.365 ± 0.899 | 0.077 ± 0.011 |
| 2 | PARAM 1.3 (Parsec iscochrones) | Teff, [Fe/H], Δν, νmax | N/A | N/A | N/A | N/A |
| 3 | q2 (Yonsei-Yale isochrones) | Teff, [Fe/H], log g | 1.400 ± 0.064 | 3.160 ± 0.189 | 3.700 ± 0.655 | 0.063 ± 0.006 |
| 4 | q2 (Yonsei-Yale isochrones) | Teff, [Fe/H], V, π | 1.330 ± 0.134 | 2.580 ± 0.400 | 4.000 ± 1.857 | 0.109 ± 0.023 |
| 5 | q2 (Yonsei-Yale isochrones) | Teff, [Fe/H], ρ⋆,seis | N/A | N/A | N/A | N/A |
| 6 | Asteroseismic scaling relations (a) | Teff, Δν, νmax | N/A | N/A | N/A | N/A |
| 7 | Direct (b) | R⋆ (Fbol, Teff, π); M⋆ (R⋆, ρ⋆,seis) | N/A | N/A | N/A | N/A |
| 7 | Direct (b) | R⋆ (Fbol, Teff, π); M⋆ (R⋆, log g) | 1.461 ± 0.436 | 3.107 ± 0.077 | N/A | 0.069 ± 0.022 |
| 8 | Empirical calibration (c) | Teff, [Fe/H], log g | 1.221 ± 0.085 | 2.818 ± 0.178 | N/A | 0.077 ± 0.009 |
| 9 | Empirical calibration (d) | Teff, [Fe/H], ρ⋆,seis | N/A | N/A | N/A | 0.000 ± 0.000 |
Notes. (a) Asteroseismic scaling relations from Kallinger et al. (2010). (b)Method detailed in Stassun et al. (2017). (c)Empirical relations of Torres et al. (2010). (d)Empirical relations of Enoch et al. (2010).
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