Table 8.
Precision of the stellar parameters by fitting the frequency separation ratios for our selection of LEGACY targets.
List of | Stellar mass |
Stellar radius |
Stellar age |
||||||
---|---|---|---|---|---|---|---|---|---|
constraints | no ![]() |
no corr. | incl. corr. | no ![]() |
no corr. | incl. corr. | no ![]() |
no corr. | incl. corr. |
16 Cyg A | |||||||||
[Fe/H],Teff, R, r02, νnmin, l = 0 | 2.7% | 2.7% | 0.9% | 0.9% | 0.9% | 0.3% | 1.6% | 1.5% | 1.3% |
[Fe/H],Teff, R, r01, r02 | 2.4% | 0.8% | 0.5% | 1.6% | 0.4% | 0.2% | 1.4% | 1.4% | 1.4% |
16 Cyg B | |||||||||
[Fe/H],Teff, R, r02, νnmin, l = 0 | 2.4% | 2.4% | 2.4% | 0.8% | 0.8% | 0.8% | 1.8% | 1.6% | 1.4% |
Arthur | |||||||||
[Fe/H],Teff, L, r01, r02, νnmin, l = 0 | 3.1% | 2.5% | 2.9% | 1.2% | 1.0% | 1.1% | 7.5% | 5.8% | 6.3% |
Barney | |||||||||
[Fe/H],Teff, L, r01, r02 | 2.1% | 1.1% | 1.1% | 1.9% | 0.5% | 0.4% | 5.6% | 4.3% | 3.8% |
Carlsberg | |||||||||
[Fe/H],Teff, L, r01, r02, νnmin, l = 0 | 2.8% | 2.5% | 2.3% | 1.0% | 0.9% | 0.9% | 7.2% | 6.6% | 6.6% |
[Fe/H],Teff, L, r01, r02 | 3.7% | 2.6% | 2.8% | 2.3% | 0.9% | 1.0% | 6.8% | 6.7% | 6.9% |
Doris | |||||||||
[Fe/H],Teff, L, r01, r02 | 1.0% | 0.7% | 0.7% | 1.5% | 0.3% | 0.2% | 2.5% | 2.2% | 2.2% |
Dushera | |||||||||
[Fe/H],Teff, L, r01, r02, νnmin, l = 0 | 2.3% | 2.4% | 1.8% | 0.8% | 0.8% | 0.7% | 7.2% | 5.5% | 4.0% |
Nunny | |||||||||
[Fe/H],Teff, L, r01, r02, νnmin, l = 0 | 1.0% | 1.0% | 1.0% | 0.4% | 0.4% | 0.4% | 4.6% | 3.4% | 3.0% |
Pinocha | |||||||||
[Fe/H],Teff, L, r01, r02, νnmin, l = 0 | 2.5% | 2.2% | 2.3% | 1.0% | 0.8% | 0.9% | 8.0% | 7.8% | 7.9% |
Saxo2 | |||||||||
[Fe/H],Teff, L, r01, r02, νnmin, l = 0 | 1.7% | 1.5% | 1.8% | 0.7% | 0.6% | 0.7% | 4.9% | 3.3% | 4.7% |
[Fe/H],Teff, L, r01, r02 | 2.7% | 1.7% | 1.8% | 1.9% | 0.6% | 0.8% | 6.6% | 3.6% | 5.1% |
Notes. We considered three prescriptions to include the inverted mean density in the constraints: not including it (no ), including it as a classical constraint (no corr.), or including it as a seismic constraint to account for the correlations with the ratios (incl. corr.).
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