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Table 4
Abundances derived from different methods based on different model atmospheres and line formation codes compared to Solar values and a cosmic abundance standard.
| Element | LTE /LTE | LTE /NLTE (n lines) | GS98a | AGS05b | AGSS09c | PNB08d |
|
|
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| He | 11.13 ± 0.20 | 10.78 ± 0.27 (8) | 10.93 ± 0.004 | 10.93 ± 0.01 | 10.93 ± 0.01 | 10.98 ± 0.02 |
| C | 8.14 ± 0.20 | 8.00 ± 0.28 (2) | 8.52 ± 0.06 | 8.39 ± 0.05 | 8.43 ± 0.05 | 8.32 ± 0.03 |
| N | 7.66 ± 0.28 (2) | 7.92 ± 0.06 | 7.78 ± 0.06 | 7.83 ± 0.05 | 7.76 ± 0.05 | |
| O | 8.11 ± 0.20 | 8.77 ± 0.24 (2) | 8.83 ± 0.06 | 8.66 ± 0.05 | 8.69 ± 0.05 | 8.76 ± 0.03 |
| Ne | 7.99 ± 0.12 (5) | 8.08 ± 0.06 | 7.84 ± 0.06 | 7.93 ± 0.10 | 8.08 ± 0.03 | |
| Mg | 7.18 ± 0.20 | 7.23 ± 0.39 (1) | 7.58 ± 0.05 | 7.53 ± 0.09 | 7.60 ± 0.04 | 7.56 ± 0.05 |
| Si | 6.86 ± 0.20 | 7.45 ± 0.26 (4) | 7.55 ± 0.05 | 7.51 ± 0.04 | 7.51 ± 0.03 | 7.50 ± 0.02 |
| S | 6.74 ± 0.20 | 7.33 ± 0.11 | 7.14 ± 0.05 | 7.12 ± 0.03 | ||
| Fe | 6.80 ± 0.20 | 7.50 ± 0.05 | 7.45 ± 0.05 | 7.50 ± 0.04 | 7.44 ± 0.04 | |
Notes. All abundances are given in units of log (El/H) + 12/atoms per 106 nuclei.
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