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Table 1

Stellar properties.

HIP 56640 HIP 75092 HIP 90988 HIP 114933
Spectral type K1III K0III K1III K0III
B (mag) 9.02 ± 0.02 8.15 ± 0.02 8.81 ± 0.02 8.29 ± 0.02
V (mag) 7.93 ± 0.01 7.11 ± 0.01 7.76 ± 0.01 7.25 ± 0.01
J (mag) 6.133 ± 0.017 5.358 ± 0.019 5.995 ± 0.018 5.564 ± 0.018
H (mag) 5.639 ± 0.024 4.935 ± 0.023 5.531 ± 0.031 5.049 ± 0.020
K (mag) 5.493 ± 0.017 4.738 ± 0.027 5.383 ± 0.020 4.907 ± 0.016
Π (mas) 8.146 ± 0.039 12.216 ± 0.061 10.606 ± 0.043 9.798 ± 0.051
Teff (K) 4769 ± 55 4891 ± 50 4883 ± 57 4823 ± 59
L (L) 11.22 10.47 7.76 13.80
log g (cm s−2) 2.91 ± 0.12 3.09 ± 0.10 3.32 ± 0.11 2.99 ± 0.12
[Fe/H] (dex) –0.03 ± 0.05 –0.01 ± 0.05 +0.17 ± 0.06 +0.06 ± 0.06
v sin i (km s−1) 3.1 ± 0.7 3.1 ± 0.5 3.5 ± 0.6 3.3 ± 0.5
         
M(M) 1.04 1.28 1.30 1.39
         
R(R) 4.93 4.53 3.94 5.27
A(Li) (dex) <0.03 <0.30 <0.35 <0.29
C12/ C13 >40 25.4 ± 5.0 36.2 ± 6.8 27.2 ± 6.0
         
Age (Gyr) 9.15 4.30 4.55 3.40

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