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Table 5
Resulting oxygen abundance A(O) and scaling factor SH derived from non-LTE EW fitting of the Pereira data set, using the HM model atmosphere with ξmic = 1.2 km s-1.
| λ | Case 0 | Case 1 | Case 2 | |||
| [nm] | A(O) |
|
ΔA(O) |
|
ΔA(O) |
|
|
|
||||||
| 777.2 | 8.650 | 0.36 | −0.004 | 0.818 | −0.011 | 0.515 |
| 777.4 | 8.674 | 0.42 | −0.005 | 0.854 | −0.014 | 0.512 |
| 777.5 | 8.721 | 0.80 | −0.003 | 1.000 | −0.006 | 0.722 |
| Mean | 8.682 | 0.52 | −0.004 | 0.891 | −0.010 | 0.583 |
Notes. Cases (0)–(2) refer to different assumptions about the excitation rates due to collisions by neutral hydrogen (see text for details).
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