Table 7
Mean abundance ratios ([X/Fe]) for the elements from Na to Cr.
| Star | [Na/Fe](NLTE)a | [Mg/Fe] | [Al/Fe] | [Si/Fe] | [Ca/Fe] | [Ti/Fe] | [Cr/Fe] |
|
|
|||||||
| HD 87109 | + 0.36(2) | −0.06 ± 0.19(5) | −0.05 ± 0.18(4) | + 0.03 ± 0.18(9) | −0.01 ± 0.16(3) | −0.11 ± 0.20(14) | −0.01 ± 0.26(20) |
| HD 87479 | + 0.26(1) | – | + 0.13 ± 0.21(4) | + 0.05(2) | −0.02(2) | + 0.06 ± 0.19(9) | −0.07 ± 0.21(4) |
| HD 87526 | + 0.42(2) | + 0.50 ± 0.25(3) | + 0.29 ± 0.26 | + 0.35 ± 0.17(8) | + 0.11 ± 0.12(7) | −0.07 ± 0.14(13) | + 0.19 ± 0.14(8) |
| HD 87566 | + 0.26(2) | + 0.05 ± 0.25(8) | −0.16 ± 0.19(5) | −0.01 ± 0.21(9) | −0.02 ± 0.23(3) | −0.12 ± 0.21(16) | −0.05 ± 0.28(17) |
| HD 87833 | + 0.36(2) | + 0.01 ± 0.22(8) | + 0.08 ± 0.25(5) | + 0.04 ± 0.18(6) | −0.11 ± 0.21(5) | + 0.06 ± 0.21(17) | + 0.05 ± 0.24(16) |
| HD 304859 | + 0.19(2) | + 0.12 ± 0.30(7) | −0.11 ± 0.20(6) | + 0.13 ± 0.20(8) | + 0.01 ± 0.32(3) | −0.14 ± 0.21(16) | −0.05 ± 0.25(19) |
| HD 304864 | + 0.19(2) | – | – | + 0.18 ± 0.19(6) | −0.13(2) | −0.13 ± 0.23(10) | −0.02 ± 0.21(8) |
|
|
|||||||
| meanb | + 0.27 ± 0.08 | + 0.03 ± 0.08 | −0.03 ± 0.10 | + 0.07 ± 0.07 | −0.05 ± 0.05 | −0.06 ± 0.06 | −0.03 ± 0.02 |
Notes. We also provide the number of lines used for the abundance determination and the abundance dispersion among the lines of those elements with more than three available lines.
[Na/Fe] accounts for the NLTE effects calculated as in Gratton et al. (1999), see text.
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