Table 1: Fundamental parameters of RS Cha. P stands for primary and S for secondary.
  Primary Secondary References
$M/M_\odot$ $1.89\pm0.01$ $1.87\pm0.01$ 1
$R/R_\odot$ $2.15\pm0.06$ $2.36\pm0.06$ 1
$T_{\rm eff} {\rm (K)}$ $7638\pm76 $ $7228\pm72 $ 2
$\log L/L_\odot$ $1.15\pm0.09$ $1.13\pm0.09$ $L=4\pi R^2 \sigma T_{\rm eff}^4$
$\log\ {g}$ $4.05\pm0.06$ $3.96\pm0.06$ g=G M/R2
$P ~\rm (day)$ 1.67 1
$i~ \rm (degrees)$ $83.4\pm0.3$ 3
${\rm [Fe/H]}$ $0.17\pm0.01$ 1
References: 1: Alecian et al. (2005), 2: Ribas et al. (2000),
3: Clausen & Nordstrom (1980).

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