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Table 8
Elemental abundances in HE 2144−1832 and HE 2339−0837.
| HE 2144−1832 | HE 2339−0837 | |||||||
|---|---|---|---|---|---|---|---|---|
| Element | Z | solar logϵ(a) | logϵ | [X/H] | [X/Fe] | logϵ | [X/H] | [X/Fe] |
| (dex) | (dex) | |||||||
| C (C2, 5165 Å) | 6 | 8.43 | 8.65 (syn) | 0.22 | 1.85 | 8.73 (syn) | 0.30 | 3.04 |
| C (C2, 5635 Å) | 6 | 8.43 | 8.60 (syn) | 0.17 | 1.80 | 8.50 (syn) | 0.07 | 2.81 |
| C (CH, 4310 Å) | 6 | 8.43 | 8.55 (syn) | 0.12 | 1.75 | – | – | – |
| N (CN, 4215 Å) | 7 | 7.83 | 6.70 (syn) | −1.13 | 0.50 | – | – | – |
| Na I | 11 | 6.24 | 5.14 ± 0.08 (3) | −1.10 | 0.53 | 5.04 ± 0.03 (2) | −1.20 | 1.54 |
| Mg I | 12 | 7.60 | 6.64 ± 0.11 (2) | −0.96 | 0.67 | 7.03 (1) | −0.57 | 2.17 |
| Ca I | 20 | 6.34 | 5.11 ± 0.17 (8) | −1.23 | 0.40 | 4.09 ± 0.14 (4) | −2.25 | 0.49 |
| Ti I | 22 | 4.95 | 3.53 ± 0.13 (6) | −1.42 | 0.21 | – | – | – |
| Ti II | 22 | 4.95 | 3.51 ± 0.05 (3) | −1.44 | 0.19 | 2.62 ± 0.15 (4) | −2.33 | 0.41 |
| V I | 23 | 3.93 | 2.36 (syn) | −1.57 | 0.06 | – | – | – |
| Cr I | 24 | 5.64 | 3.89 ± 0.18 (4) | −1.75 | −0.12 | 2.56 (1) | −3.08 | −0.34 |
| Mn I | 25 | 5.43 | 3.20 (syn) ± 0.0 | −2.23 | −0.60 | – | – | – |
| Fe I | 26 | 7.50 | 5.87 ± 0.15 (27) | −1.63 | – | 4.76 ± 0.08 (19) | −2.74 | – |
| Fe II | 26 | 7.50 | 5.87 ± 0.00 (2) | −1.63 | – | 4.76 ± 0.08 (4) | −2.74 | – |
| Co I | 27 | 4.99 | 3.42 ± 0.03 (3) | −1.57 | 0.06 | – | – | – |
| Ni I | 28 | 6.22 | 5.00 ± 0.16 (5) | −1.22 | 0.41 | – | – | – |
| Zn I | 30 | 4.56 | 2.85 (1) | −1.71 | −0.08 | – | – | – |
| Sr I | 38 | 2.87 | 1.90 (syn) | −0.97 | 0.66 | 1.45 (syn) | −1.42 | 1.32 |
| Y II | 39 | 2.21 | 1.74 ± 0.08 (3) | −0.47 | 1.16 | 0.14 ± 0.10 (3) | −2.07 | 0.67 |
| Zr I | 40 | 2.58 | 1.92 ± 0.18 (3) | −0.66 | 0.97 | – | – | – |
| Zr II | 40 | 2.58 | – | – | – | 1.48 (1) | −1.10 | 1.64 |
| Ba II | 56 | 2.18 | 2.04 (syn) | −0.14 | 1.49 | 1.65 (syn) ± 0.15 | −0.53 | 2.21 |
| La II | 57 | 1.10 | 1.00 (syn) | −0.10 | 1.53 | 0.60 (syn) | −0.50 | 2.24 |
| Ce II | 58 | 1.58 | 1.65 ± 0.17 (6) | 0.07 | 1.70 | 1.21 ± 0.13 (3) | −0.37 | 2.37 |
| Pr II | 59 | 0.72 | 0.81 ± 0.17 (3) | 0.09 | 1.72 | 0.24 ± 0.22 (2) | −0.48 | 2.26 |
| Nd II | 60 | 1.42 | 1.40 ± 0.17 (7) | −0.02 | 1.61 | 1.23 ± 0.10 (5) | −0.19 | 2.55 |
| Sm II | 62 | 0.96 | 1.11 ± 0.21 (3) | 0.15 | 1.78 | 0.51 ± 0.14 (3) | −0.45 | 2.29 |
| Eu II | 63 | 0.52 | −0.10 (syn) | −0.62 | 1.01 | −0.38 (syn) | −0.90 | 1.84 |
Notes. The numbers in parentheses in Cols. 4 and 7 show the number of lines used for the abundance determination.
References.(a) Asplund et al. (2009).
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