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Table 3

Observed and inferred stellar parameters for HD 10647, HD 30562, and HD 86226.

Parameters HD 10647 HD 30562 HD86226

Spectral typea F9 V F8 V G2 V
V a 5.52 5.77 7.93
B − Va 0.551 0.631 0.647
π b [mas] 57.36 ± 0.25 37.84 ± 0.35 22.2 ± 0.8
M v 4.31 3.66 4.66
T eff [K] 6218 ± 20d 5994 ± 46c 5903 ± 31c
log g [cgs] 4.62 ± 0.04d 4.34 ± 0.10c 4.36 ± 0.04c
[Fe/H] [dex] 0.00 ± 0.01d 0.29 ± 0.06c 0.05 ± 0.03c
vsin   (i)e [km s-1] 4.9 4.1 2.4
M f [M] 1.11 ± 0.02 1.23 ± 0.03 1.06 ± 0.03
L g [L] 1.41 2.63 1.06
R f [R] 1.10 ± 0.02 1.53 ± 0.04 1.02 ± 0.03
log  –4.77 ± 0.01h –5.05 ± 0.09c –4.90 ± 0.05c
P rot i [days] 10 ± 3 26 ± 4 23 ± 4
Agef [Gyr] 1.4 ± 0.9 3.6 ± 0.5 1.5 ± 1.3

Notes.

(a)

Parameter from Hipparcos (ESA 1997).

(b)

Parallax from the new Hipparcos reduction (van Leeuwen 2007).

(c)

Parameter derived using CORALIE spectra.

(d)

Parameter derived using HARPS spectra (Sousa et al. 2008).

(e)

Parameter derived using CORALIE CCF (Santos et al. 2001).

(f)

Parameter derived from Girardi et al. (2000) models.

(g)

The bolometric correction is computed from Flower (1996).

(h)

Parameter derived using HARPS spectra (Lovis et al. 2011).

(i)

From the calibration of the rotational period vs. activity (Mamajek & Hillenbrand 2008).

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