Table 3
Age indicators of HD 8049 A.
| Indicator | Measure | Ref. | Age (Myr) | Ref. |
|
|
||||
| Li EW (mA) | 0 | 1,2 | >500 | 1 |
| log RHK | −4.25 ± 0.05 | 1,3 | 90 | 4 |
| log LX/Lbol | –4.24 | 1 | 182 | 4 |
| Prot (d) | 8.3 ± 0.1 | 1 | 360 | 4 |
| Prot (d) | 380 ± 30 | 5 | ||
| U, V, W (km s-1) | 18, −47, −28 | 6 | old (few Gyr) | 1 |
Notes.The second column lists the adopted value for the various parameters, and the third column lists the corresponding reference; the fourth column contains the resulting age, and the last column has the calibration adopted for age determination.
Reference. 1) this paper; 2) Torres et al. (2006); 3) Gray et al. (2006); 4) Mamajek & Hillenbrand (2008); 5) Delorme et al. (2011) 6) Holmberg et al. (2009).
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