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Table 6

Parameters derived for PG 1336 − 018 using models with modified reaction rates for the triple-α and 12C(α,γ)16O reaction rates.

Parameter CF88 2  ×  CF88 Drift

M/M 0.471 ± 0.006 0.474 ± 0.010  + 0.003 ± 0.012
log g 5.775 ± 0.007 5.775 ± 0.008 0.00 ± 0.011
R/R 0.1474 ± 0.0009 0.1479 ± 0.0010  + 0.0005 ± 0.0013
log q(H)  −3.83 ± 0.06  −3.84 ± 0.09  −0.01 ± 0.11
X(C + O) 0.58 ± 0.06 0.54 ± 0.10  −0.04 ± 0.12
L/L 22.9 ± 0.6 23.0 ± 0.7  + 0.1 ± 0.9
S2 (opt.) 4.81 5.12
(%) 0.18 0.19
(μHz) 11.37 11.52

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