| Object | Age in Gyr | mass in 
|
in dex
|
Ages from other sources in Gyra |
| HD 221420 | 4.70 | 1.30 | 2.75 | 4.5 (GCS), 4.1 (VF05), |
| 5.1 (RP98) | ||||
| HD 114613 | 6.03 | 1.19 | 2.69 | 5.1 (RP98), 5.6 (B07, rot), |
| 4.9 (VF05), 4.9 (RP98) | ||||
| HD 2151 | 6.53 | 1.12 | 2.58 | 5.2 (GCS), 5.8 (VF05), 6.7 (V05) |
| HD 215456 | 8.36 | 1.04 | 2.38 | 7.3 (GCS), 7.0 (I02) |
| HD 32724 | 9.07 | 0.97 | 1.63 | 9.9 (GCS) |
| HD 4307 | 9.08 | 1.01 | 2.48 | 7.8 (W04, R'HK, rot), |
| 7.4 (GCS), 6.4 (VF05) | ||||
| HD 78612 | 9.27 | 0.96 | 1.62 | 8.8 (GCS) |
| HD 114729 | 9.68 | 0.97 | 2.00 | 10.9 (GCS), 6.45 (RP98) |
| [planet-host] | ||||
| HD 145809 | 10.28 | 0.96 | 2.13 | 6.9 (W04, R'HK, rot), |
| 7.9 (GCS), 7.4 (VF05) | ||||
| HD 32923 | 10.75 | 0.96 | 1.66 | 9.0 (VF05), 6.2 (W04), |
| 9.9 (GCS), >9.5 (S83) |
Notes. R'HK denotes ages derived from chromospheric activity, rot denotes ages derived from rotation periods. (a) The abbreviations used here are the following: GCS: The Geneva-Copenhagen survey, Nordström et al. (2004), VF05: Valenti & Fischer (2005), RP98: Rocha-Pinto & Maciel (1998), V05: Vardavas (2005), I02: Ibukiyama & Arimoto (2002), W04: Wright et al. (2004) and S83: Soderblom (1983).
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