Astronomy & Astrophysics

Table 2: iota Horologii: parameters of the three best models (Cols. 2-4), compared to the Hyades values (Col. 5, reference: Lebreton et al. 2001).
[Fe/H] 0.19 0.19 0.14 0.14 $\pm$ 0.05

Y 0.271 0.255 0.255 0.255 $\pm$ 0.013

age (Myr) 620 627 627 625 $\pm$ 25

mass ( $M_\odot$ ) 1.24 1.26 1.25

$T_{\rm eff}$ (K) 6179 6136 6189

Log g 4.40 4.40 4.40

Log $L/L_{\odot}$ 0.245 0.237 0.250