Table 2.
Arcturus LTE analysis.
| ATLAS12/SYNTHE |
A9/S | A12/T | M/T | ΔNLTE | Literature studies |
|||||
|---|---|---|---|---|---|---|---|---|---|---|
| vt = 1.5 km s−1 | vt = 1.74 km s−1 | Y2005 | W2009 | RA2011 | vdS2013 | |||||
| [Fe/H] | −0.580 (0.104, 40) | −0.675 | −0.578 | −0.591 | −0.619 | +0.009 | −0.56 (0.13, 50) | −0.59 (0.12, 40) | −0.52 | −0.71 |
| [Na/Fe] | +0.191 (0.070, 2) | +0.212 | +0.201 | +0.209 | +0.221 | −0.192 | +0.15 (0.08, 3) | +0.15 (0.04, 2) | +0.11 ± 0.03 | +0.10 ± 0.04 |
| [Mg/Fe] | +0.325 (0.036, 4) | +0.387 | +0.331 | +0.310 | +0.337 | −0.022 | +0.45 (0.14, 4) | +0.34 (0.15, 8) | +0.37 ± 0.03 | +0.33 ± 0.06 |
| [Si/Fe] | +0.340 (0.079, 6) | +0.382 | +0.329 | +0.395 | +0.398 | … | +0.35 (0.06, 5) | +0.24 (0.14, 10) | +0.33 ± 0.04 | +0.31 ± 0.04 |
| [Ca/Fe] | +0.177 (0.073, 10) | +0.124 | +0.193 | +0.179 | +0.203 | −0.057 | +0.22 (0.09, 4) | +0.19 (0.06, 12) | +0.11 ± 0.04 | +0.03 ± 0.04 |
| [Ti/Fe] | +0.235 (0.052, 14) | +0.239 | +0.250 | +0.244 | +0.241 | +0.162 | +0.26 (0.03, 4) | +0.34 (0.15, 29) | +0.24 ± 0.04 | +0.33 ± 0.05 |
| [Sc/Fe] | +0.172 (0.218, 5) | +0.147 | +0.180 | +0.185 | +0.171 | … | … | +0.24 (0.01, 2) | +0.21 ± 0.04 | +0.25 ± 0.04 |
| [Cr/Fe] | −0.074 (0.129, 18) | −0.069 | −0.064 | −0.057 | −0.053 | … | … | … | −0.05 ± 0.04 | −0.06 ± 0.06 |
| [Mn/Fe] | −0.240 (0.093, 2) | −0.269 | −0.232 | −0.202 | −0.209 | +0.097 | −0.25 (0.06, 3) | … | … | … |
| [Ni/Fe] | −0.078 (0.230, 14) | −0.089 | −0.079 | −0.072 | −0.080 | +0.015 | −0.02 (0.06, 7) | … | +0.06 ± 0.03 | +0.07 ± 0.04 |
| [Cu/Fe] | +0.236 (0.027, 2) | +0.169 | +0.242 | +0.205 | +0.183 | … | … | … | … | −0.03 |
| [Zn/Fe] | +0.033 (0.016, 2) | −0.008 | +0.026 | +0.055 | +0.048 | … | … | −0.04 (0.09, 2) | +0.22 ± 0.06 | … |
| [Zr/Fe] | −0.045 (−, 1) | +0.016 | −0.017 | +0.000 | −0.021 | … | −0.27 (0.08, 3) | +0.03 (0.08, 10) | … | −0.07 ± 0.03 |
| [Ba/Fe] | −0.015 (0.057, 5) | −0.099 | −0.009 | +0.069 | +0.064 | −0.018 | −0.09 (1) | −0.19 (0.08, 2) | … | −0.19 ± 0.03 |
| [Eu/Fe] | +0.300 (0.062, 2) | +0.364 | +0.298 | +0.304 | +0.278 | … | +0.29 (1) | +0.36 (0.04, 2) | … | +0.40 ± 0.02 |
Notes. LTE abundances for Arcturus were measured assuming Teff = 4286 K and log g = 1.66. The results obtained with ATLAS12/SYNTHE are given for two values of the microturbulence. For other model atmospheres and spectral synthesis combinations the results are given for vt = 1.5 km s−1. For W2009 we list the results from their analysis using spherically symmetric atmospheres.
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