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Home All issues Volume 496 / No 2 (March III 2009) A&A, 496 2 (2009) 527-531 Full HTML
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Table 1:

Stellar parameters of HD 47 186 and HD 181 433. The rotational period is derived from the activity index log  R'HK.
Parameters HD 47 186 HD 181 433 Reference
Spectral type G5V K3IV Hipparcos
Parallax [mas] 26.43 38.24 Hipparcos
Distance [pc] 37.84 26.15 Hipparcos
mv 7.6 8.4 Hipparcos
B-V 0.71 1.01 Hipparcos
Mv 4.74 6.31 Hipparcos
Luminosity [$L_\odot$] 1.08 $\pm$ 0.029 0.308 $\pm$ 0.026 Sousa et al. (2008)
Mass [$M_\odot$] 0.99 0.78 Sousa et al. (2008)
$T_{\rm eff}$ [K] 5675 $\pm$ 21 4962 $\pm$ 134 Sousa et al. (2008)
log g 4.36 $\pm$ 0.04 4.37 $\pm$ 0.26 Sousa et al. (2008)
$\rm [Fe/H]$ 0.23 $\pm$ 0.02 0.33 $\pm$ 0.13 Sousa et al. (2008)
v sin i [ km s-1] 2.2 1.5 this paper
log  R'HK -5.01 -5.11 this paper
$P_{\rm ROT}$ [days] 33 54 this paper

Source LaTeX | All tables | In the text

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