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Table 4.
Reference baseline surface abundances for helium, carbon, nitrogen, and oxygen for the Milky Way, LMC, and SMC.
| Milky Way | LMC | SMC | |||
|---|---|---|---|---|---|
| YHe | 0.0907 | 0.0867 | 0.0842 | ||
| εC | 8.13 | 7.75 | 7.37 | ||
| εN | 7.64 | 6.90 | 6.50 | ||
| εO | 8.55 | 8.35 | 7.98 |
Notes. This table is adapted from Tables 1 and 2 from Brott et al. (2011).
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