Table 7.
Elemental abundance trends, derived on different Teff scales including our primary scale Teff, phot, and from stellar evolution models with three different values TX for AddMix. Differences in abundances are based on the co-added spectra, and are given in the sense TOP–RGB.
| Parameter | T eff, phot | T eff, ion | T eff, flat | T6.0 | T6.2 | T6.25 | T6.3 |
|---|---|---|---|---|---|---|---|
| ΔTeff | 1113 ± 198 | 1063 ± 169 | 1132 ± 177 | ... | ... | ... | ... |
| Δlog g | 1.28 ± 0.46 | 1.27 ± 0.45 | 1.29 ± 0.46 | ... | ... | ... | ... |
| Δvmic | 0.35 ± 0.13 | 0.29 ± 0.12 | 0.35 ± 0.12 | ... | ... | ... | ... |
| ΔA(Li)a | +1.30 ± 0.12 | +1.24 ± 0.15 | +1.31 ± 0.14 | +1.21 | +1.20 | +1.14 | +1.03 |
| ΔA(C) | −0.24 ± 0.10 | −0.21 ± 0.08 | −0.24 ± 0.09 | −0.13 | −0.08 | −0.07 | −0.06 |
| ΔA(O) | −0.30 ± 0.06 | −0.24 ± 0.04 | −0.31 ± 0.05 | −0.15 | −0.10 | −0.09 | −0.08 |
| ΔA(Mg) | −0.02 ± 0.04 | −0.05 ± 0.03 | −0.01 ± 0.04 | −0.16 | −0.10 | −0.09 | −0.08 |
| ΔA(Al) | −0.05 ± 0.03 | −0.09 ± 0.06 | −0.05 ± 0.04 | −0.16 | −0.10 | −0.09 | −0.08 |
| ΔA(Si) | −0.05 ± 0.08 | −0.06 ± 0.10 | −0.03 ± 0.09 | −0.15 | −0.10 | −0.09 | −0.08 |
| ΔA(K) | −0.11 ± 0.06 | −0.13 ± 0.09 | −0.09 ± 0.08 | −0.11 | −0.09 | −0.09 | −0.08 |
| ΔA(Ca) | −0.05 ± 0.04 | −0.06 ± 0.05 | −0.04 ± 0.05 | −0.10 | −0.09 | −0.08 | −0.08 |
| ΔA(Ti) | −0.11 ± 0.11 | −0.12 ± 0.12 | −0.10 ± 0.11 | −0.09 | −0.09 | −0.08 | −0.08 |
|
−0.02 ± 0.03 | −0.04 ± 0.02 | +0.01 ± 0.01 | −0.14 | −0.09 | −0.08 | −0.07 |
|
−0.04 ± 0.06 | −0.06 ± 0.07 | −0.04 ± 0.06 | −0.14 | −0.09 | −0.08 | −0.07 |
| ΔA(Ni) | −0.10 ± 0.02 | −0.13 ± 0.03 | −0.08 ± 0.03 | −0.13 | −0.08 | −0.07 | −0.07 |
| ΔA(Ba) | −0.16 ± 0.09 | −0.17 ± 0.11 | −0.15 ± 0.10 | ... | ... | ... | ... |
Note.a Average of individual star abundances rather than group averages, with Teff, phot > 5900 K (TOP) and 
(RGB).