Table C.1.
Characteristics of the magnetic activity imprint on the asteroseismic characterisation.
| BiSON | GOLF | ||||||
|---|---|---|---|---|---|---|---|
| ℛ | σactivity | σstatistical | ℛ | σactivity | σstatistical | ||
| n ≥ 12 | |||||||
| Mass | 0.39 ± 0.03 | 2.6% | 1.2% | 0.43 ± 0.03 | 2.5% | 1.2% | |
| Y0 | −0.49 ± 0.08 | 10.7% | 4.6% | −0.46 ± 0.03 | 10.9% | 4.3% | |
| log Z0 | −0.15 ± 0.19 | - | 2.7% | −0.04 ± 0.13 | - | 2.1% | |
| Age | 0.62 ± 0.07 | 5.1% | 2.0% | 0.57 ± 0.08 | 4.8% | 1.8% | |
| Radius | 0.39 ± 0.05 | 0.9% | 0.5% | 0.45 ± 0.05 | 0.8% | 0.4% | |
| Mean density | −0.21 ± 0.18 | - | 0.4% | −0.22 ± 0.19 | - | 0.4% | |
| n ≥ 16 | |||||||
| Mass | 0.30 ± 0.11 | 3.3% | 1.5% | 0.35 ± 0.16 | 3.0% | 1.5% | |
| Y0 | −0.38 ± 0.11 | 11.5% | 5.4% | −0.39 ± 0.17 | 11.5% | 5.3% | |
| log Z0 | −0.06 ± 0.15 | - | 3.0% | −0.08 ± 0.09 | - | 3.0% | |
| Age | 0.61 ± 0.11 | 4.3% | 3.0% | 0.54 ± 0.08 | 4.4% | 2.9% | |
| Radius | 0.30 ± 0.11 | 1.2% | 0.5% | 0.35 ± 0.14 | 1.0% | 0.5% | |
| Mean density | −0.37 ± 0.14 | 0.2% | 0.4% | −0.32 ± 0.12 | 0.2% | 0.4% | |
Notes. The correlation between the stellar parameters and the activity proxy, the 10.7 cm radio emission flux, is measured with the Spearman rank coefficient ℛ. The systematic uncertainty σactivity associated to magnetic activity is evaluated using the methodology described in Bétrisey et al. (2025). The data is considered as uncorrelated if |ℛ|≤0.25 and no systematic uncertainty was associated to these cases. The averaged statistical uncertainty σstatistical is computed by averaging the statistical uncertainty of each datapoint.
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