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Table 3

NLTE atmospheric parameters for the fit shown in Fig. 2, with respect to the solar abundances from Grevesse & Sauval (1998) provided for comparison.

Parameter Value + 1σ −1σ × Solar Unit

T eff 27 750 130 70 K
log g 5.452 0.020 0.008 dex
log n(He) /n(H) –2.74 0.03 0.11 0.018 dex
log n(C) /n(H) –6.1> 0.001 dex
log n(N) /n(H) –4.45 0.13 0.23 0.427 dex
log n(O) /n(H) –4.63 0.31 0.18 0.035 dex
log n(Si) /n(H) –5.65 0.24 0.46 0.063 dex
log n(Fe) /n(H) –4.30 0.36 0.05 1.580 dex

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