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Table 12

Stellar model properties of HD 140283, adopting Yi = 0.245 and 0.255, and AV = 0.00 and 0.10 mag.

Parameter Value Uncertainty
Y i 0.245 0.255

AV = 0.00 mag M1 M2

M (M) 0.780 0.770 0.010
Z i / X i 0.0005 0.0005 0.0002
α 1.00 1.00 0.20
t (Gyr) 13.68 13.45 0.71
log g (cm s-2) 3.64 3.64 0.03
L (L) 4.12 4.12 0.10
Teff (K) 5571 5601 101
R (R) 2.18 2.16 0.08
[ Z/X ] s (dex) –2.03 –2.05 0.07

AV = 0.10 mag M3 M4

M (M) 0.805 0.795 0.010
Z i / X i 0.0005 0.0005 0.0002
α 1.00 1.00 0.20
t (Gyr) 12.17 11.95 0.62
log g (cm s-2) 3.65 3.65 0.02
L (L) 4.42 4.42 0.10
Teff (K) 5662 5695 105
R (R) 2.20 2.18 0.08
[ Z/X ] s (dex) –2.06 –2.07 0.05

Notes. See Sect. 7.3 for details. Ages and the corresponding α values for all combinations of model properties (M, Yi, AV) are available at the CDS.

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