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Table 2.
Derived abundances.
| Abundance | ||||||
|---|---|---|---|---|---|---|
| ratio | LTE | SX | NLTE | SX | σ⟨X⟩ | Δσ = ±0.7 km s−1 |
| [Fe/H] | −2.17 | 0.04 | −2.14 | 0.04 | 0.02 | ±0.05 |
| [Mg/Fe] | −0.78 | 0.09 | −0.79 | 0.10 | 0.29 | ∓0.02 |
| [Ca/Fe] | +0.13 | 0.07 | +0.13 | 0.07 | 0.05 | +0.01 |
| [Ti/Fe] | +0.11 | 0.12 | +0.27 | 0.11 | 0.07 | 0.00 |
| [Si/Fe] | +0.62 | 0.26 | – | – | 0.26 | +0.04 |
| [α/Fe] | +0.29 | 0.15 | +0.34 | 0.15 | 0.13 | +0.10 |
| [Cr/Fe] | +0.31 | 0.18 | – | – | 0.07 | +0.01 |
| [Mn/Fe] | −0.01 | 0.31 | +0.19 | 0.32 | 0.18 | +0.04 |
| [Sc/Fe] | +0.22 | 0.22 | – | – | 0.11 | ∓0.01 |
| [Ba/Fe] | −0.30 | 0.22 | −0.38 | 0.22 | 0.12 | ±0.05 |
| [Ni/Fe] | −0.14 | 0.14 | +0.02 | 0.12 | 0.10 | +0.01 |
| [Cu/Fe] | < −0.355 | +0.02 | ||||
| [Zn/Fe] | < +0.143 | ±0.02 | ||||
| [Eu/Fe] | < +0.766 | ∓0.11 |
Notes. Δσ is the forced change in velocity dispersion to show the effect on each of the element abundances.
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