Table 1
Observed and inferred stellar parameters for HD 63765,HD 104067, HIP 70849 and HD 125595.
| Parameters | HD 63765 | HD 104067 | HD 125595 | HIP 70849 | |||
|
|
|||||||
| Sp. T. | G9V | K2V | K4V | K7V | |||
| V | 8.1 | 7.93 | 9.03 | 10.36 | |||
| B − V | 0.75 | 0.99 | 1.107 | 1.427 | |||
| J | – | – | – | 7.639 ± 0.023 | |||
| H | – | – | – | 7.006 ± 0.061 | |||
| K | – | – | – | 6.790 ± 0.027 | |||
| π | [mas] | 30.07 ± 0.56 | 47.47 ± 0.90 | 35.77 ± 1.04 | 42.42 ± 2.09 | ||
|
|
|||||||
| MV | 5.49 ± 0.04 | 6.31 ± 0.05 | 6.80 ± 0.06 | 8.50 ± 0.10 | |||
| Teff | [K] | 5432 ± 19(1) | 4969 ± 72(1) | 4908 ± 87(1) | 4105 ± 130(4) | ||
| [Fe/H ] (1) | [dex] | –0.16 ± 0.01 | –0.06 ± 0.05 | 0.02 ± 0.06 | – – | ||
| log (g)(1) | 4.42 ± 0.03 | 4.47 ± 0.13 | 4.32 ± 0.20 | – | |||
| M ⋆ | [M⊙] | 0.865 ± 0.029(3) | 0.791 ± 0.020(3) | 0.756 ± 0.017(3) | 0.63 ± 0.03(4) | ||
| Age | [Gyr] | 4.77 ± 4.07(3) | 4.33 ± 3.99(3) | 3.53 ± 3.59 (3) | 1–5(4) | ||
|
–4.736 ± 0.037(2) | –4.743 ± 0.023(2) | –4.787 ± 0.037(2) | –4.697(5) | |||
| Stellar Jitter | [m/s] | 3.0 | 3.0 | 2.5 | 3.5 | ||
| vsin(i)(2) | [km s-1] | 1.63 | 1.61 | 1.50 | 1.93 | ||
| Prot | [days] | 23 | 34.7 | 40.1 | – | ||
Notes. Near infrared photometry is taken from the 2MASS All-Sky Catalog, (Cutri et al. 2003; Skrutskie et al. 2006). Astrometric data and visual photometry come from from Hipparcos Catalogs, (ESA 1997; van Leeuwen 2007). Other parameters come from: (1) Sousa et al. (2008) spectroscopic analysis; (2) HARPS CCF; (3) Girardi et al. (2000) models; (4) Baraffe et al. (1998) models; (5) Gray et al. (2006).
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