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Table 5.
Abundances from atomic lines, molecular bands, and isotopic ratios.
| [X/Fe] | HE 0002–1037 | HE 0020–1741 | HE 0039–2635 | HE 0059–6540 | HE 0151–6007 | HE 0221–3218 |
|---|---|---|---|---|---|---|
| [Fe/H] | −2.4 | −3.6 | −3.2 | −2.2 | −2.7 | −0.8 |
| 13C/12C | 4/96 | 25/75 | 6/94 | 50/50 | ... | ... |
| CH | 1.9 | 1.5 | 2.7 | 1.3 | 1.4 | 0.1 |
| C2 | 1.9 | ... | 2.8 | 1.4 | 1.7 | 0.1 |
| CN | 1.0 | 1.8 | 1.8 | 1.2 | ... | ... |
| NH | 1.0 | 1.9 | 1.8 | 0.8 | 0.2 | 0.4 |
| O | 1.1 | 2.3 | 2.0 | 1.3 | 0.5 | 0.4 |
| NaI | <0.7 | ... | ... | 0.4 | 0.2 | 0.8 |
| MgI | 0.5 | 1.4 | 0.6 | 0.2 | 0.6 | 0.4 |
| CaI | 0.3 | 0.4 | 0.6 | 0.2 | 0.4 | 0.3 |
| ScII | 0.3 | 0.5 | ... | 0.2 | <0.5 | 0.5 |
| TiI | 0.5 | 0.4 | 0.7 | 0.5 | 0.5 | 0.4 |
| CrI | −0.3 | −0.1 | 0.0 | −0.2 | −0.4 | 0.1 |
| MnI | −0.5 | −0.4 | ... | −0.5 | ... | <0.4 |
| NiI | 0.1 | 0.1 | 0.1 | −0.1 | −0.2 | 0.3 |
| SrII | <1.0 | −0.1 | 1.6 | 1.2 | 1.1 | 0.3 |
| YII | 0.4 | ... | 0.7 | 0.4 | 0.8 | −0.1 |
| BaII | 2.0 | −1.2 | 2.1 | 1.7 | 2.3 | 0.0 |
| LaII | 2.0 | ... | 2.5 | 1.6 | 2.5 | ... |
| CeII | 1.7 | ... | 2.1 | 1.4 | 2.4 | ... |
| PrII | 2.1 | ... | 2.6 | 1.4 | 2.6 | ... |
| NdII | 2.1 | ... | 2.3 | 1.7 | 2.6 | ... |
| EuII | 1.7 | ... | ... | 1.5 | 2.3 | ... |
| HE 0253–6024 | HE 0317–4705 | HE 2158–5134 | HE 2258–4427 | HE 2339–4240 | ||
| [Fe/H] | −2.1 | −2.3 | −3.0 | −2.1 | −2.3 | |
| 13C/12C | 5/95 | 6/94 | 4/96 | 5/95 | 5/95 | |
| CH | 1.3 | 1.4 | 2.6 | 1.4 | 1.7 | |
| C2 | 1.3 | 1.4 | 2.6 | 1.3 | 1.8 | |
| CN | 0.2 | 0.4 | 0.8 | −0.1 | 0.6 | |
| NH | 0.0 | 0.5 | 0.9 | 0.0 | 0.6 | |
| O | ... | 0.6 | 1.4 | 0.2 | 1.1 | |
| NaI | <1.0 | >−0.2 | ... | ... | 0.3 | |
| MgI | 0.2 | 0.5 | 0.8 | 0.2 | 0.4 | |
| CaI | 0.4 | 0.3 | 0.3 | 0.3 | 0.4 | |
| ScII | 0.1 | −0.2 | 0.6 | ... | −0.2 | |
| TiI | 0.2 | 0.3 | 0.5 | 0.1 | 0.4 | |
| CrI | −0.5 | 0.0 | −0.1 | −0.3 | −0.3 | |
| MnI | <0.4 | <−0.9 | ... | <0.5 | <0.5 | |
| NiI | ... | <−0.1 | ... | 0.1 | ... | |
| SrII | 1.5 | 1.7 | 2.6 | 1.7 | 1.6 | |
| YII | 0.8 | 0.6 | 1.8 | 1.0 | 0.8 | |
| BaII | 1.7 | 1.0 | 2.3 | 1.3 | 2.0 | |
| LaII | 1.5 | 1.4 | <2.0 | 1.4 | 2.0 | |
| CeII | 1.2 | 1.5 | <2.2 | 1.6 | 1.7 | |
| PrII | 1.0 | 1.4 | 2.6 | 1.4 | 2.0 | |
| NdII | 2.0 | 1.3 | 1.8 | 1.5 | 2.0 | |
| EuII | <1.0 | <1.0 | ... | 0.8 | ... | |
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