Table 2
Adopted values and uncertainties for Teff, log g, and (for the 1D models) ξmic;1D, as well as 1D non-LTE [Fe/H] from the literature.
Name | Teff (K) | log g/cm s−2 | ξmic;1D(km s−1) | [Fe/H]Lit. | Ref. | [Fe/H]1L | [Fe/H]1N | [Fe/H]3N |
---|---|---|---|---|---|---|---|---|
Sun | 5772 | 4.44 | 1.00 | 0.00 | a | 0.00 | 0.00 | 0.00 |
Procyon | 6554 ± 84 | 4.00 ± 0.02 | 1.66 ± 0.11 | −0.02 ± 0.08 | b | 0.04 ± 0.03 | 0.05 ± 0.03 | 0.11 ± 0.03 |
HD 84937 | 6356 ± 97 | 4.13 ± 0.03 | 1.39 ± 0.24 | −2.06 ± 0.08 | b,c | −2.04 ± 0.03 | −2.03 ± 0.03 | −1.96 ± 0.03 |
HD 140283 | 5792 ± 55 | 3.65 ± 0.02 | 1.56 ± 0.20 | −2.29 ± 0.11 | b,d | −2.42 ± 0.03 | −2.38 ± 0.03 | −2.28 ± 0.02 |
Notes. Final columns show the values of [Fe/H] derived in this study in 1D LTE, 1D non-LTE, and 3D non-LTE (mean of [Fe/H]Fe i and [Fe/H]Fe ii values weighted by statistical and stellar parameter uncertainties). (a)Solar Teff and log g from Prša et al. (2016). (b)Standard GBS parameters from Heiter et al. (2015) and Jofré et al. (2015); [Fe/H]Lit. shifted by −0.03 dex such that the solar value is zero. (c)Updated log g from Giribaldi et al. (2021). (d)Updated Teff, log g, and [Fe/H]Lit.. from Karovicova et al. (2020).
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