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Table 1
Abundance data for the sample stars considered.
| Star | T eff | log g | [Fe/H] | A(Li) | 12C/13C | [C/Fe] | [N/Fe] | [O/Fe] |
|
[Na/Fe] | [Mg/Fe] | [Al/Fe] | [Si/Fe] | [Ca/Fe] | Ref. |
|
|
|||||||||||||||
| BD+44 493 | 5510 | 3.70 | –3.68 | – | – | 1.31 | 0.32 | 1.59 | –2.20 | 0.27 | 0.52 | –0.57 | 0.41 | 0.27 | 1 |
| BS 16929-005 | 5229 | 2.61 | –3.34 | – | >7 | 0.99 | 0.32 | – | – | 0.03 | 0.30 | –0.72 | 0.38 | 0.34 | 1 |
| CS22166-016 | 5250 | 2.0 | –2.40 | – | – | 1.02 | – | – | – | 0.37 | 0.68 | – | 0.22 | 0.50 | 2 |
| CS22877-001 | 5100 | 2.2 | –2.72 | <1.2 | >10 | 1.00 | 0.00 | – | – | –0.24 | 0.29 | –0.72 | – | 0.42 | 2, 3 |
| CS22878-027 | 6319 | 4.41 | –2.51 | – | – | 0.86 | <1.06 | – | – | –0.17 | –0.11 | – | 0.07 | 0.07 | 1 |
| CS22885-096 | 5050 | 1.9 | –3.66 | – | – | 0.60 | – | – | – | – | 0.52 | –0.78 | 0.44 | 0.28 | 2 |
| CS22945-017 | 6400 | 3.80 | –2.52 | – | 6 | 2.28 | 2.24 | <2.36 | <–0.19 | – | 0.61 | – | – | 2b-, 3 | |
| CS22949-037 | 4958 | 1.84 | –3.97 | – | 4 | 1.06 | 2.16 | 1.98 | –2.11 | 2.10 | 1.38 | 0.02 | 0.77 | 0.39 | 1 |
| CS22956-028 | 6700 | 3.50 | –2.33 | – | 5 | 1.84 | 1.85 | <2.47 | <–0.02 | – | 0.58 | – | – | – | 2b-, 3 |
| CS22957-027 | 5170 | 2.45 | –3.19 | – | 6 | 2.27 | 1.75 | – | – | – | 0.30 | –0.10 | – | 0.45 | 1 |
| CS22958-042 | 6250 | 3.5 | –2.85 | – | 9 | 3.15 | 2.15 | 1.35 | –0.17 | 2.85 | 0.32 | –0.85 | 0.15 | 0.36 | 2, 3 |
| CS29498-043 | 4639 | 1.00 | –3.49 | – | 6 | 1.90 | 2.30 | 2.43 | –1.18 | 1.47 | 1.52 | 0.34 | 0.82 | 0.00 | 1 |
| CS29502-092 | 5074 | 2.21 | –2.99 | <1.2 | 20 | 0.96 | 0.81 | 0.75 | –2.16 | – | 0.28 | –0.68 | – | 0.24 | 1, 2 |
| CS30314-067 | 4400 | 0.7 | –2–85 | <0.6 | – | 0.5 | 1.2 | – | – | –0.08 | 0.42 | –0.10 | 0.80 | 0.22 | 2 |
| CS30322-023 | 4100 | –0.30 | –3.39 | – | 4 | 0.80 | 2.91 | .63 | –1.55 | 1.04 | 0.80 | – | – | 0.30 | 2b-, 3 |
| CS31080-095 | 6050 | 4.5 | –2.85 | 1.73 | >40 | 2.69 | 0.70 | 2.35 | –0.38 | –0.28 | 0.65 | –0.95 | 0.05 | 0.17 | 2b-, 3 |
| G77-61 | 4000 | 5.05 | –4.03 | <1 | 5 | 2.6 | 2.6 | – | – | 0.60 | 0.49 | – | – | 0.37 | 2, 3 |
| HE0007-1832 | 6515 | 3.8 | –2.72 | – | – | 2.45 | 1.67 | – | – | – | 0.79 | 3 | |||
| HE 0057-5959 | 5257 | 2.65 | –4.08 | – | > 2 | 0.86 | 2.15 | <2.77 | <–1.52 | 1.98 | 0.51 | – | – | 0.65 | 1 |
| HE 0107-5240 | 5100 | 2.20 | –5.54 | <1.12 | >50 | 3.85 | 2.43 | 2.30 | –2.16 | 1.11 | 0.26 | <–0.26 | <0.32 | 0.12 | 1, 2 |
| HE 0146-1548 | 4636 | 0.99 | –3.46 | – | 4 | 0.84 | – | <1.63 | – | 1.17 | 0.87 | 0.14 | 0.50 | 0.22 | 1 |
| HE 0557-4840 | 4900 | 2.20 | –4.81 | – | – | 1.70 | <1.00 | 2.30 | <–2.68 | –0.18 | 0.17 | –0.65 | – | 0.17 | 1 |
| HE1012-1540 | 5745 | 3.45 | –3.47 | – | – | 2.22 | 1.25 | 2.25 | –1.26 | 1.93 | 1.85 | 0.65 | 1.07 | 0.70 | 1 |
| HE1150-0428 | 5208 | 2.54 | –3.47 | – | 4 | 2.37 | 2.52 | – | – | – | 0.41 | – | – | 1.16 | 1 |
| HE1201-1512 | 5725 | 4.67 | –3.89 | – | >20 | 1.37 | <1.26 | <2.64 | <–1.46 | –0.33 | 0.24 | –0.73 | – | 0.06 | 1 |
| HE1300+0157 | 5529 | 3.25 | –3.75 | 1.06 | >3 | 1.31 | <0.71 | 1.76 | <–2.13 | –0.02 | 0.33 | –0.64 | 0.87 | 0.39 | 1, 2 |
| HE1300-0641 | 5308 | 2.96 | –3.14 | – | – | 1.29 | – | – | – | – | 0.04 | –1.21 | – | 0.01 | 2 |
| HE1300-2201 | 6332 | 4.64 | –2.61 | – | – | 1.01 | – | – | – | – | 0.29 | –0.92 | – | 0.29 | 2 |
| HE1327-2326 | 6180 | 3.70 | –5.76 | <0.62 | >5 | 4.26 | 4.56 | 3.70 | –1.69 | 2.48 | 1.55 | 1.23 | – | 0.29 | 1, 2 |
| HE1330-0354 | 6257 | 4.13 | –2.29 | – | – | 1.05 | – | – | – | – | 0.32 | –0.93 | – | 0.40 | 2 |
| HE1410+0213 | 4890 | 2.00 | –2.52 | – | 3 | 2.33 | 2.94 | 2.56 | 0.03 | – | 0.33 | – | – | – | 2b-, 3 |
| HE1419-1324 | 4900 | 1.80 | –3.05 | – | 12 | 1.76 | 1.47 | <1.19 | <–1.57 | – | 0.53 | – | – | – | 2b-, 3 |
| HE1506-0113 | 5016 | 2.01 | –3.54 | – | >20 | 1.47 | 0.61 | <2.32 | <–1.41 | 1.65 | 0.89 | –0.53 | 0.50 | 0.19 | 1 |
| HE2139-5432 | 5416 | 3.04 | –4.02 | – | >15 | 2.59 | 2.08 | 3.15 | –1.03 | 2.15 | 1.61 | 0.36 | 1.00 | –0.02 | 1 |
| HE2142-5656 | 4939 | 1.85 | –2.87 | – | – | 0.95 | 0.54 | – | – | 0.81 | 0.33 | –0.62 | 0.35 | 0.30 | 1 |
| HE2202-4831 | 5331 | 2.95 | –2.78 | – | – | 2.41 | – | – | – | 1.44 | 0.12 | – | – | 0.17 | 1 |
| HE2247-7400 | 4929 | 1.56 | –2.87 | – | – | 0.70 | – | – | – | 0.82 | 0.33 | – | 0.80 | 0.43 | 1 |
| Segue 1-7 | 4960 | 1.90 | –3.52 | – | >50 | 2.30 | 0.75 | <2.21 | <–1.31 | 0.53 | 0.94 | 0.23 | 0.80 | 0.84 | 1 |
| SMSS0313-6708 | 5125 | 2.3 | <–7.1 | 0.7 | >4.5 | – | – | – | <–2.49 | – | >3.3 | >0.1 | 4 | ||
| 53327-2044-515 | 5703 | 4.68 | –4.05 | – | >2 | 1.35 | – | <2.81 | – | 0.14 | 0.40 | –0.17 | – | 0.19 | 1 |
Reference. 1. Norris et al. (2013); 2. Allen et al. (2012); 3. Masseron et al. (2010); 4. Keller et al. (2014) give values of [Li/H], [C/H], [Mg/H], and [Ca/H] and upper limits in the case of other elements for this star.
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