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Table 9
Mean abundances of C, N, odd-Z elements Na, Al, α-elements O, Mg, Si, Ca, Ti, and heavy elements Y, Zr, Ba, La, and Eu.
| star | [C/Fe] | [N/Fe] | [Na/Fe] | [Al/Fe] | [O/Fe] | [Mg/Fe] | [Si/Fe] | [Ca/Fe] | [TiI/Fe] | [TiII/Fe] | [Y/Fe] | [Zr/Fe] | [Ba/Fe] | [La/Fe] | [Nd/Fe] | [Eu/Fe] |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| The two non-member stars | ||||||||||||||||
| 234816 | <0.2 | +0.80 | +0.50 | +0.50 | +0.60 | +0.66 | +0.50 | +0.42 | +0.52 | +0.45 | +0.40 | +0.60 | +0.53 | +0.36 | +0.20 | +0.80 |
| 244523 | <0.2 | <0.8 | -0.04 | +0.30 | +0.40 | +0.26 | +0.40 | +0.02 | +0.26 | +0.18 | +0.65 | – | +0.63 | +0.90 | +0.70 | +0.65 |
| Four stars from the present work | ||||||||||||||||
| 244819 | <0.2 | <1.2 | +0.34 | +0.40 | +0.40 | +0.30 | +0.28 | +0.14 | +0.19 | +0.34 | +0.90 | – | +0.36 | +0.36 | +0.15 | +0.50 |
| 256289 | <0.2 | <0.3 | −0.32 | −0.20 | +0.40 | +0.30 | +0.19 | +0.18 | +0.00 | +0.17 | +0.08 | +0.11 | +0.36 | +0.00 | +0.00 | +0.43 |
| B118 | ≲0.2 | <0.8 | +0.30 | +0.60 | – | +0.40 | +0.32 | +0.10 | +0.23 | +0.09 | +0.35 | +0.50 | +0.15 | +0.57 | +0.30 | +0.55 |
| 402370 | <0.0 | <0.3 | −0.24 | −0.30 | +0.40 | +0.29 | +0.23 | +0.13 | −0.02 | +0.16 | +0.15 | – | +0.66 | +0.03 | -0.10 | +0.50 |
| Four stars from Barbuy et al. (2014) | ||||||||||||||||
| B-107 | +0.00 | – | +0.03 | +0.28 | +0.50 | +0.33 | +0.17 | +0.16 | +0.03 | +0.17 | +0.32 | +0.20 | +0.45 | +0.20 | – | +0.40 |
| B-122 | −0.20 | +0.70 | +0.09 | +0.18 | +0.20 | +0.10 | +0.06 | +0.00 | +0.03 | +0.15 | +0.20 | +0.10 | +0.05 | +0.35 | – | +0.30 |
| B-128 | +0.10 | +0.60 | +0.01 | +0.08 | +0.23 | +0.23 | +0.14 | +0.20 | +0.05 | +0.17 | +0.43 | +0.40 | +0.55 | +0.35 | – | +0.30 |
| B-130 | +0.00 | +0.70 | +0.05 | +0.26 | +0.50 | +0.27 | +0.13 | +0.15 | +0.03 | +0.18 | +0.23 | +0.00 | +0.22 | +0.00 | – | +0.20 |
| Mean | ~+0.14 | +0.66 | +0.09 | +0.24 | +0.38 | +0.28 | +0.19 | +0.13 | +0.07 | +0.18 | +0.33 | +0.23 | +0.35 | +0.23 | +0.09 | +0.40 |
Notes. The four stars analysed in Barbuy et al. (2014) are also included. For the mean values, only the eight member stars were considered.
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