Table 3.
Analysis of 47 Tuc.
| This analysis |
L2017 (1) | MB2008 (2) | KM2008 (3) | S2013 (4) | T2014 (5) | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| DSEP LTE | DSEP | BaSTI | ||||||||
| α = 0 | α = −1 | Kroupa | NLTE α = −1 | |||||||
| [Fe/H] | −0.763 | −0.748 | −0.726 | −0.735 | −0.724 | −0.863 | −0.75 | −0.76 | −0.81 ± 0.02 | −0.78 ± 0.07 |
| [Na/Fe] | +0.417 | +0.393 | +0.357 | +0.237 | +0.237 | +0.422 | +0.45 | +0.21 | +0.38 ± 0.12 | +0.21 ± 0.14 |
| [Mg/Fe] | +0.432 | +0.404 | +0.359 | +0.404 | +0.392 | +0.442 | +0.22 | +0.46 | +0.42 ± 0.14 | +0.44 ± 0.08 |
| [Si/Fe] | +0.392 | +0.389 | +0.393 | (+0.376) | (+0.368) | … | +0.37 | +0.39 | … | +0.32 ± 0.09 |
| [Ca/Fe] | +0.325 | +0.296 | +0.237 | +0.238 | +0.239 | +0.412 | +0.31 | +0.34 | … | +0.24 ± 0.13 |
| [Ti/Fe] | +0.330 | +0.337 | +0.341 | +0.412 | +0.421 | +0.370 | +0.41 | +0.37 | … | +0.37 ± 0.11 |
| [Sc/Fe] | +0.189 | +0.209 | +0.248 | (+0.197) | (+0.207) | +0.219 | +0.14 | … | … | +0.11 ± 0.11 |
| [Cr/Fe] | −0.016 | −0.017 | −0.019 | (−0.029) | (−0.036) | −0.060 | −0.02 | … | … | −0.03 ± 0.11 |
| [Mn/Fe] | −0.262 | −0.256 | −0.249 | −0.188 | −0.205 | −0.229 | −0.44 | … | … | −0.20 ± 0.13 |
| [Ni/Fe] | +0.020 | +0.028 | +0.045 | +0.060 | +0.068 | … | +0.00 | … | −0.12 ± 0.04 | |
| [Cu/Fe] | −0.046 | −0.036 | −0.021 | (−0.049) | (−0.028) | … | −0.13 | … | … | −0.14 ± 0.35 |
| [Zn/Fe] | +0.120 | +0.126 | +0.143 | (+0.113) | (+0.165) | … | … | … | … | +0.26 ± 0.13 |
| [Zr/Fe] | +0.208 | +0.237 | +0.288 | (+0.224) | (+0.165) | … | +0.05 | … | … | +0.41 ± 0.17 |
| [Ba/Fe] | +0.192 | +0.205 | +0.230 | +0.133 | +0.159 | +0.155 | +0.02 | … | … | +0.25 ± 0.24 |
| [Eu/Fe] | +0.262 | +0.238 | +0.232 | (+0.225) | (+0.258) | … | +0.04 | … | +0.27 ± 0.14 | +0.32 ± 0.19 |
Notes. The NLTE columns give the abundance ratios, corrected for NLTE effects, for DSEP and BaSTI isochrones and a MF slope of α = −1. For values in parentheses, no explicit NLTE corrections were computed and the NLTE values only differ from the LTE values because of the 0.012 dex change in the iron abundance.
References. (1) Larsen et al. (2017); (2) McWilliam & Bernstein (2008); (3) Koch & McWilliam (2008); (4) Sakari et al. (2013): [Fe/H] is [Fe I/H]; (5) Thygesen et al. (2014): abundances are median and uncertainty on median, except [Fe/H] for which the mean value is given.
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