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Table 3

Determined abundances for Sun, Arcturus, and HD 126681.

Sun: Teff = 5794, log  g = 4.55, Arcturus: Teff = 4293, log  g = 1.84 HD 126681: Teff = 5530, log  g = 4.41,
Vturb = 1.07, [α/Fe] = 0.05 Vturb = 1.44, [α/Fe] = 0.19 Vturb = 0.50, [α/Fe] = 0.38
Number of [Fe/H] or σ Number of [Fe/H] or σ Number of [Fe/H] or σ
features [X/Fe]a features [X/Fe]a features [X/Fe]a

Fe i 84 –0.06 0.059 59 –0.44 0.073 116 –1.24 0.087
Fe ii 14 –0.05 0.094 10 –0.44 0.083 14 –1.23 0.069
Na i 3 0.06 0.069 1 0.01 4 –0.13 0.140
Mg i 1 0.60
Al i 3 –0.04 0.073 2 0.13 0.177 1 0.18
Si i 2 0.20 0.12 8 0.33 0.123 6 0.35 0.096
Si ii 2 0.34 0.239 1 0.57
Ca i 8 0.02 0.074 1 0.05 10 0.40 0.093
Ti i 23 0.04 0.086 4 0.20 0.100 22 0.31 0.120
Ti ii 9 0.11 0.222 2 0.23 0.157 10 0.32 0.250
Ni i 18 0.02 0.153 6 0.02 0.126 15 –0.03 0.172

Notes.

(a)

We use [X/Fe i] for neutral species, [X/Fe ii] for ionized. The parameter σ is line-to-line scatter for Fe, propagated with corresponding σ[ Fe/H ] for [X/Fe].

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