Table 1

Adopted physical parameters of α Cen AB and Proxima.

Star Mass Radius
(M) (R)

α Cen A 1.1055 ± 0.0039 a 1.2234 ± 0.0053 b
α Cen B 0.9373 ± 0.0033 a 0.8632 ± 0.0037 b
α Cen A+B 2.0429 ± 0.0072 a
Proxima 0.1221 ± 0.0022 c 0.1542 ± 0.0045 c

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