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Table 4

Magnesium LTE and NLTE abundances of HD 84937 and HD 122563 from calculations with different treatments of H i collisions.

λ HD 84937 HD 122563


(Å) LTE Pure e +H(BBSGF)1 +H(D0.1)2 LTE Pure e +H(BBSGF) +H(D0.1)

4571 –6.38 –6.24 –6.30 –6.33 –6.80 –6.60 –6.67 –6.77
4703 –6.36 –6.15 –6.30 –6.29 –6.86 –6.59 –6.82 –6.84
5528 –6.34 –6.15 –6.30 –6.27 –6.77 –6.61 –6.83 –6.76
5172 –6.353 –6.39 –6.39 –6.46 –6.873 –6.76 –6.95 –6.96
5183 –6.343 –6.39 –6.39 –6.46 –6.873 –6.74 –6.94 –6.94

Δlog ε(Mg i 4703, 5528 – Mg i 5172,5183)

–0.01 0.24 0.09 0.18 0.05 0.15 0.12 0.15

Notes. 

(1)

Mg+H collisions following BBSGF;

(2)

Drawinian rates with SH = 0.1;

(3)

from EW.

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