Open Access

Table 2

Stellar parameters.

Param/Star Sun(1) HD 22049 GJ 832 GJ 581
Spectral type G2 V dK2 V(2) dM2 V(3) dM3 V(4)
Teff(K) 5772 5010 ± 64(5) 3590 ± 100(3) 3498 ± 56(6)
R/R 1 0.74 ± 0.01(7) 0.499 ± 0.017(6) 0.299 ± 0.010(8)
d (pc) 4.848e-6 3.2028 ± 0.0047(9) 4.965 ± 0.001(9) 6.30 ± 0.01(9)
log [Fe/H] 0 -0.08 ± 0.04(5) -0.06 ± 0.04(10) -0.33 ± 0.12(11)
log g (cgs) 4.44 4.53 ± 0.08(5) 4.7(12) 4.92 ± 0.10(11)
Base model index 1401(13) 2227(14) 3385(15) 5812(15)

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