Table 2
Stellar parameters.
| Parameters | HD 16175 | HD 191806 | HD 214823 | HD 221585 | |
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| Right Ascension | (J2000) | 02:37:01.9 | 20:09:28.3 | 22:40:19.9 | 23:32 54.0 |
| Declination | (J2000) | +42:03:45.48 | +52:16:34.79 | +31:47:15.33 | +63:09:19.73 |
| Spectral type(1) | G0 | – | G0V | G8IV | |
| V (2) | 7.291 ± 0.011 | 8.093 ± 0.014 | 8.078 ± 0.013 | 7.474 ± 0.011 | |
| B − V (1) | 0.66 | 0.64 | 0.63 | 0.77 | |
| M V • | 3.48 ± 0.08 | 3.89 ± 0.08 | 3.13 ± 0.14 | 3.68 ± 0.08 | |
| π (3) | [mas] | 17.28 ± 0.67 | 14.41 ± 0.50 | 10.25 ± 0.68 | 17.40 ± 0.60 |
| L / L ⊙ • | 3.22 ± 0.25 | 2.23 ± 0.16 | 4.35 ± 0.58 | 2.64 ± 0.18 | |
| ΔMV •, (4) | 1.38 ± 0.08 | 0.84 ± 0.08 | 1.53 ± 0.14 | 1.83 ± 0.08 | |
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| T eff | [K] | 6022 ± 34 (5) | 6010 ± 30 • | 6215 ± 30 • | 5620 ± 27 • |
| [Fe / H] | [dex] | + 0.37 ± 0.03(5) | + 0.30 ± 0.02 • | + 0.17 ± 0.02 • | + 0.29 ± 0.02 • |
| log (g) | [cgs] | 4.21 ± 0.06(5) | 4.45 ± 0.03 • | 4.05 ± 0.10 • | 4.05 ± 0.04 • |
| ⟨log R⟩ •, (6) | [dex] | −4.77 ± 0.15 | −4.85 ± 0.21 | −4.79 ± 0.14 | −4.86 ± 0.13 |
| P rot •, (7) | [days] | 19.7 ± 5.5 | 20.6 ± 6.9 | 17.5 ± 4.5 | 33.3 ± 7.2 |
| vsinI∗ •, (8) | [km s-1] | 5.1 | 3.3 | 5.7 | 3.7 |
| M⋆ | [M⊙] | 1.34 ± 0.14(5) | 1.14 ± 0.12• | 1.22 ± 0.13 • | 1.19 ± 0.12• |
| Age•, (9) | [Gyr] | 3.3 ± 0.5 | 2.9 ± 0.4 | 2.7 ± 0.2 | 6.2 ± 0.5 |
Reference.
This work; (1) Hipparcos catalogue (ESA 1997); (2) Tycho catalogue (Høg et al. 2000); (3) van Leeuwen (2007); (4) Wright (2005); the errorbar does not include uncertainties in the parametrisation of the main sequence; (5) Sousa et al. (2015); (6) Mean value and standard deviation obtained from SOPHIE spectra; (7) Using the calibration by Mamajek & Hillenbrand (2008); (8) Computed from the SOPHIE CCF using the calibration by Boisse et al. (2010); uncertainty estimated to be 1.0 km s-1; (9) Obtained by interpolation of the PARSEC stellar evolution tracks using the method described by da Silva et al. (2006).
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