Table 3.
Set-up of the MCMC simulations and physical quantities inferred using the ASTEC stellar evolution code for 16 Cyg A.
| # | Seismic indicators | Abundances | Diffusion | Overshoot | M/M⊙ | t⋆ (Gyr) | X0 | Z0 | α | αov | Y0 |
|---|---|---|---|---|---|---|---|---|---|---|---|
 |
 |
 |
 |
 |
– |  |
|||||
| 1 | r01, r02, r13 | GN93 | Y | No | 1.07 | 6.88 | 0.718 | 0.0219 | 2.19 | – | 0.260 |
| 1.07 (0.02) | 6.93 (0.19) | 0.719 (0.012) | 0.0220 (0.0016) | 2.16 (0.07) | – | 0.259 (0.011) | |||||
 |
 |
 |
 |
 |
– |  |
|||||
| 2 | r01, r02, r13 | GS98 | Y | No | 1.06 | 6.78 | 0.705 | 0.0213 | 2.17 | – | 0.274 |
| 1.07 (0.02) | 6.80 (0.19) | 0.708 (0.012) | 0.0220 (0.0015) | 2.16 (0.07) | – | 0.270 (0.011) | |||||
 |
 |
 |
 |
 |
– |  |
|||||
| 3 | r01, r02, r13 | GN93 | No | No | 1.08 | 7.27 | 0.716 | 0.0247 | 2.03 | – | 0.260 |
| 1.08 (0.02) | 7.25 (0.19) | 0.716 (0.011) | 0.0244 (0.0017) | 2.04 (0.07) | – | 0.260 (0.011) | |||||
 |
 |
 |
 |
 |
– |  |
|||||
| 4 | r01, r02, r13 | GN93 | Y + Z | No | 1.07 | 6.78 | 0.708 | 0.0238 | 2.14 | – | 0.268 |
| 1.07 (0.02) | 6.80 (0.19) | 0.709 (0.012) | 0.0242 (0.0018) | 2.12 (0.07) | – | 0.266 (0.011) | |||||
 |
 |
 |
 |
 |
 |
 |
|||||
| 5 | r01, r02, r13 | GN93 | Y | Penetrative | 1.07 | 6.84 | 0.718 | 0.0216 | 2.19 | 0.012 | 0.260 |
| 1.07 (0.02) | 6.93 (0.17) | 0.720 (0.011) | 0.0219 (0.0015) | 2.15 (0.07) | 0.035 (0.024) | 0.258 (0.010) | |||||
 |
 |
 |
 |
 |
 |
 |
|||||
| 6 | r01, r02, r13 | GN93 | Y + Z | Penetrative | 1.07 | 6.86 | 0.712 | 0.0237 | 2.09 | 0.001 | 0.265 |
| 1.07 (0.02) | 6.79 (0.18) | 0.710 (0.012) | 0.0242 (0.0017) | 2.12 (0.07) | 0.052 (0.035) | 0.266 (0.011) | |||||
 |
 |
 |
 |
 |
– |  |
|||||
| 7 | r010, r02, r13 | GN93 | Y | No | 1.03 | 7.01 | 0.702 | 0.0220 | 2.07 | – | 0.276 |
| 1.04 (0.02) | 6.99 (0.09) | 0.704 (0.007) | 0.0217 (0.0011) | 2.08 (0.05) | – | 0.274 (0.008) | |||||
Notes. The first column gives the seismic indicators retained as constraints. The second column gives the chosen abundance mixture with GN93 for Grevesse & Noels (1993) and GS98 for Grevesse & Sauval (1998). The third column indicates the elements included in the diffusion equation. The fourth column specifies, if included, the nature of overshoot. Columns 5–10 show the estimates of the stellar parameters. The last column gives the estimates for the initial helium-mass fraction. For each parameter the first line gives the estimate in the sense of the maximum of the marginal density, with credible intervals. The second line reports the MAP estimates. The third line gives the PM and PSD estimates.
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