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Table 2.
Atmospheric parameters and abundance ratios for G 112-43/44 and the comparison stars.
| Atm.param. | G 112 | G 112 | Mean of | CD−51 | CD−61 | G 005 | G 176 | G192 | HD | Mean of | Diff. (a) of |
|---|---|---|---|---|---|---|---|---|---|---|---|
| /abun.rat. | −43 | −44 | G 112-43/44 | 4628 | 0282 | −19 | −53 | −43 | 163810 | comp. stars | ⟨[X/Fe]⟩ |
| Teff [K] | 6074 | 5819 | 5947 | 6153 | 5759 | 5854 | 5523 | 6170 | 5501 | 5827 | ... |
| log g | 4.03 | 4.25 | 4.14 | 4.31 | 4.31 | 4.26 | 4.48 | 4.29 | 4.56 | 4.37 | ... |
| ξturb [km s−1] | 1.3 | 1.2 | 1.25 | 1.4 | 1.3 | 1.3 | 1.0 | 1.5 | 1.3 | 1.20 | ... |
| [Fe/H] | −1.253 | −1.289 | −1.271 | −1.298 | −1.228 | −1.178 | −1.337 | −1.339 | −1.202 | −1.264 | ... |
| [C/Fe] | +0.018 | +0.050 | +0.034 ± 0.049 | −0.106 | −0.090 | −0.108 | ... | ... | +0.005 | −0.075 ± 0.027 | +0.109 ± 0.056 |
| [O/Fe] | +0.386 | ... | +0.386 ± 0.055 | +0.401 | +0.542 | +0.442 | +0.594 | ... | +0.522 | +0.500 ± 0.035 | −0.114 ± 0.065 |
| [Na/Fe] | −0.108 | −0.117 | −0.112 ± 0.021 | −0.258 | −0.197 | −0.254 | −0.361 | −0.209 | −0.217 | −0.249 ± 0.024 | +0.137 ± 0.032 |
| [Mg/Fe] | +0.214 | +0.218 | +0.216 ± 0.021 | +0.128 | +0.206 | +0.182 | +0.154 | +0.188 | +0.179 | +0.173 ± 0.011 | +0.043 ± 0.024 |
| [Si/Fe] | +0.152 | +0.203 | +0.177 ± 0.021 | +0.191 | +0.204 | +0.166 | +0.147 | +0.235 | +0.165 | +0.185 ± 0.013 | −0.007 ± 0.025 |
| [Ca/Fe] | +0.291 | +0.259 | +0.275 ± 0.014 | +0.312 | +0.282 | +0.259 | +0.253 | +0.329 | +0.276 | +0.285 ± 0.012 | −0.010 ± 0.019 |
| [Ti/Fe] | +0.289 | +0.221 | +0.255 ± 0.014 | +0.244 | +0.170 | +0.135 | +0.152 | +0.292 | +0.225 | +0.203 ± 0.025 | +0.052 ± 0.029 |
| [Cr/Fe] | −0.001 | −0.008 | −0.005 ± 0.014 | +0.004 | −0.023 | −0.049 | −0.013 | −0.047 | +0.024 | −0.017 ± 0.012 | +0.013 ± 0.018 |
| [Mn/Fe] | −0.191 | −0.228 | −0.209 ± 0.014 | −0.356 | −0.374 | −0.354 | −0.346 | −0.383 | −0.297 | −0.352 ± 0.012 | +0.142 ± 0.019 |
| [Ni/Fe] | −0.017 | −0.020 | −0.019 ± 0.008 | −0.102 | −0.099 | −0.130 | −0.117 | −0.092 | −0.103 | −0.107 ± 0.006 | +0.089 ± 0.010 |
| [Cu/Fe] | −0.390 | −0.410 | −0.400 ± 0.025 | ... | −0.630 | −0.580 | −0.590 | ... | −0.500 | −0.575 ± 0.029 | +0.175 ± 0.038 |
| [Zn/Fe] | +0.296 | +0.279 | +0.288 ± 0.025 | −0.002 | +0.055 | +0.010 | +0.082 | +0.075 | +0.017 | +0.040 ± 0.015 | +0.248 ± 0.029 |
| [Y/Fe] | −0.139 | −0.250 | −0.194 ± 0.025 | −0.112 | −0.163 | −0.120 | −0.262 | −0.091 | −0.110 | −0.143 ± 0.026 | −0.051 ± 0.036 |
| [Ba/Fe] | −0.273 | −0.288 | −0.280 ± 0.025 | −0.163 | −0.238 | −0.171 | −0.259 | −0.173 | −0.161 | −0.194 ± 0.017 | −0.086 ± 0.030 |
Notes.
References. [C/Fe] and [O/Fe] refer to 3D non-LTE values from Amarsi et al. (2019) and [Cu/Fe] to 1D non-LTE values from Yan et al. (2016). For all other abundance ratios, 1D LTE values from Nissen & Schuster (2010, 2011) are given.
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