Table 3.
Stellar parameters used for the age determinations, together with our fitted and adopted age of the systems.
| System | Star | R(a) | Teff | logL/L⊙ | [Fe/H] | Ref. | tparsec | tbasti | tmist | tavg | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| (R⊙) | (K) | (dex) | (Gyr) | (Gyr) | (Gyr) | (Gyr) | |||||
| AI Phe | A | 1.841 ± 0.017 | 6175 ± 150 | 0.646 ± 0.043 | −0.14 ± 0.10 | 1,2 | 4.34 ± 0.31 | 3.94 ± 0.09 | 4.33 ± 0.32 | 4.20 ± 0.19 | |
| B | 2.907 ± 0.013 | 5140 ± 120 | 0.724 ± 0.041 | ||||||||
| AL Dor | A | 1.121 ± 0.010 | 6016 ± 110 | 0.159 ± 0.033 | 0.10 ± 0.10 (b) | 3 | 3.03 ± 0.61 | 2.65 ± 1.11 | 3.19 ± 0.16 | 2.97 ± 0.23 | |
| B | 1.118 ± 0.010 | 5976 ± 110 | 0.145 ± 0.033 | ||||||||
| KW Hya | A | 2.124 ± 0.015 | 8000 ± 200 | 1.221 ± 0.044 | 0.25 ± 0.10 (b) | 3 | 0.61 ± 0.03 | 0.49 ± 0.03 | 0.53 ± 0.04 | 0.54 ± 0.05 | |
| B | 1.439 ± 0.022 | 6960 ± 210 | 0.640 ± 0.054 | ||||||||
| NN Del | A | 2.194 ± 0.015 | 6437 ± 200 | 0.868 ± 0.054 | −0.10 ± 0.10 (b) | 4 | 2.40 ± 0.17 | 1.96 ± 0.22 | 2.28 ± 0.15 | 2.21 ± 0.18 | |
| B | 1.608 ± 0.014 | 6500 ± 200 | 0.615 ± 0.054 | ||||||||
| ψ Cen | A | 3.814 ± 0.007 | 10450 ± 300 | 2.147 ± 0.050 | 0.05 ± 0.10 (b) | 5,6 | 0.29 ± 0.02 | 0.27 ± 0.02 | 0.28 ± 0.01 | 0.28 ± 0.01 | |
| B | 1.896 ± 0.004 | 8800 ± 300 | 1.244 ± 0.059 | ||||||||
| V4090 Sgr | A | 1.95 ± 0.13 | 7700 ± 100 | 1.13 ± 0.08 | 0.36 ± 0.07 | 7 | 0.58 ± 0.06 | – | 0.31 ± 0.11 | 0.44 ± 0.13 | |
| B | 0.91 ± 0.21 | 5800 ± 80 | −0.02 ± 0.21 |
Notes. References: 1– Graczyk et al. (2017). 2– Andersen et al. (1988). 3– Graczyk et al. (2019). 4– Sybilski et al. (2018). 5– Bruntt et al. (2006). 6– Mantegazza et al. (2010). 7– North et al. (1997).
Rescaled values according to our measured linear semi-major axis (see Sect. 6).
Adopted value (see text in Sect. 6).
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