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Table 2.
Abundance-ratio uncertainties for the model parameters with ΔTeff = 100 K, Δlog g = 0.3 dex, Δξt = 0.05 km s−1, the uncertainties on the mean due to line-to-line scatter (σ[X/H],mean), and corresponding total error.
2M18594405 | σ[X/H], log g | σ[X/H], Teff | σ[X/H], ξt | σ[X/H],mean | σ[X/H],total |
---|---|---|---|---|---|
–3651518 | |||||
[dex] | [dex] | [dex] | [dex] | [dex] | |
12C16O → 12C | 0.065 | 0.018 | 0.004 | 0.110 | 0.129 |
12C14N → 14N | 0.075 | 0.094 | 0.023 | 0.071 | 0.142 |
16OH → 16O | 0.018 | 0.097 | 0.014 | 0.068 | 0.121 |
Mg I | 0.005 | 0.089 | 0.022 | 0.052 | 0.106 |
Al I | 0.011 | 0.080 | 0.006 | 0.117 | 0.142 |
Si I | 0.045 | 0.023 | 0.006 | 0.094 | 0.107 |
K I | 0.025 | 0.044 | 0.009 | 0.137 | 0.146 |
Ca I | 0.023 | 0.023 | 0.007 | 0.085 | 0.091 |
Ti I | 0.007 | 0.070 | 0.033 | 0.246 | 0.258 |
Fe I | 0.016 | 0.042 | 0.005 | 0.154 | 0.161 |
Ni I | 0.027 | 0.047 | 0.010 | 0.155 | 0.165 |
Ce II | 0.123 | 0.067 | 0.025 | 0.125 | 0.189 |
Nd II | 0.075 | 0.071 | 0.023 | 0.130 | 0.168 |
Yb II | 0.092 | 0.024 | 0.004 | 0.020 | 0.097 |
2M18594898 | σ[X/H], log g | σ[X/H], Teff | σ[X/H], ξt | σ[X/H, mean | σ[X/H],total |
–3635401 | |||||
[dex] | [dex] | [dex] | [dex] | [dex] | |
12C16O → 12C | 0.035 | 0.064 | 0.009 | 0.052 | 0.090 |
12C14N → 14N | 0.042 | 0.108 | 0.004 | 0.069 | 0.135 |
16OH → 16O | 0.049 | 0.139 | 0.003 | 0.035 | 0.152 |
Mg I | 0.025 | 0.073 | 0.016 | 0.017 | 0.081 |
Al I | 0.014 | 0.111 | 0.009 | 0.116 | 0.161 |
Si I | 0.033 | 0.007 | 0.003 | 0.079 | 0.086 |
K I | 0.038 | 0.009 | 0.004 | 0.014 | 0.042 |
Ca I | 0.037 | 0.033 | 0.003 | 0.026 | 0.056 |
Ti I | 0.067 | 0.070 | 0.043 | 0.199 | 0.225 |
Fe I | 0.036 | 0.072 | 0.008 | 0.116 | 0.141 |
Ni I | 0.011 | 0.021 | 0.003 | 0.070 | 0.074 |
Ce II | 0.059 | 0.013 | 0.004 | 0.069 | 0.092 |
Nd II | 0.049 | 0.043 | 0.005 | 0.043 | 0.078 |
Yb II | 0.150 | 0.027 | 0.002 | 0.047 | 0.159 |
Notes. The total error is defined as: .
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