Table 6
Thorium and europium abundances from previous works (From the summary of SAGA database and Roederer et al. 2009).
| Name | [Fe/H] | log ϵ(Th) | log ϵ(Eu) | log (Th/Eu) | “Age” | Ref. |
| [Gyr] | ||||||
|
|
||||||
| BD+08_2856 | −2.10 | −1.78 ± 0.10 | −1.16 ± 0.06 | −0.62 | 13.5 | 1,2 |
| BD+17_3248 | −2.23 | −1.18 ± 0.10 | −0.67 ± 0.05 | −0.51 | 8.4 | 3 |
| BD+04_2621 | −2.50 | <−3.12 | −2.61 ± 0.23 | <−0.51 | >8.4 | 1,2 |
| BD−18_5550 | −3.03 | <−3.10 | −2.79 ± 0.22 | <−0.31 | >−0.9 | 1,2 |
| CS22892−052 | −2.92 | −1.42 ± 0.15 | −0.86 ± 0.02 | −0.56 | 10.7 | 7 |
| CS29491−069 | −2.60 | −1.43 ± 0.22 | −1.03 ± 0.10 | −0.40 | 3.3 | 3 |
| CS29497−004 | −2.81 | −0.96 ± 0.15 | −0.45 ± 0.20 | −0.28 | −2.3 | 4,5 |
| CS30306−132 | −2.40 | −1.12 ± 0.15 | −1.14 ± 0.25 | 0.02 | −16.3 | 7 |
| CS31078−018 | −2.84 | −1.35 ± 0.25 | −1.17 ± 0.17 | −0.18 | −7.0 | 8 |
| CS31082−001 | −2.90 | −0.98 ± 0.05 | −0.76 ± 0.11 | −0.22 | −5.1 | 8,9,10 |
| HD108317 | −2.18 | −1.84 ± 0.20 | −1.32 ± 0.05 | −0.52 | 8.9 | 3 |
| HD108577 | −2.36 | −2.11 ± 0.14 | −1.48 ± 0.02 | −0.63 | 14.0 | 1,2 |
| HD110184 | −2.52 | −2.50 ± 0.15 | −1.91 ± 0.05 | −0.59 | 12.1 | 7 |
| HD115444 | −2.85 | −1.97 ± 0.15 | −1.64 ± 0.03 | −0.33 | 0.0 | 3 |
| HD122563 | −2.72 | <−2.43 | −2.75 ± 0.11 | <0.32 | >−30.3 | 3 |
| HD122956 | −1.95 | −1.50 ± 0.17 | −0.94 ± 0.07 | −0.56 | 10.7 | 3 |
| HD126587 | −2.93 | <−2.39 | −1.97 ± 0.06 | <−0.42 | >4.2 | 3 |
| HD128279 | −2.00 | <−2.00 | −1.57 ± 0.06 | <−0.43 | >4.7 | 2,18 |
| HD175305 | −1.48 | −0.76 ± 0.15 | −0.36 ± 0.07 | −0.40 | 3.3 | 3 |
| HD186478 | −2.50 | −1.85 ± 0.15 | −1.34 ± 0.06 | −0.51 | 8.4 | 7 |
| HD204543 | −1.87 | −1.68 ± 0.14 | −1.05 ± 0.07 | −0.63 | 14.0 | 6 |
| HD221170 | −2.20 | −1.46 ± 0.05 | −0.86 ± 0.07 | −0.60 | 12.6 | 11 |
| HD6268 | −2.40 | −1.93 ± 0.10 | −1.56 ± 0.03 | −0.37 | 1.9 | 3 |
| HD74462 | −1.52 | −0.94 ± 0.13 | −0.50 ± 0.09 | −0.44 | 5.1 | 3 |
| HD88609 | −3.07 | <−2.65 | −2.89 ± 0.12 | <0.24 | >−27 | 19 |
| HE0338−3945 | −2.42 | <0.23 | 0.02 ± 0.17 | <0.21 | >−25 | 6 |
| HE1219−0312 | −2.97 | −1.29 ± 0.14 | −1.06 ± 0.10 | −0.23 | −4.7 | 3 |
| HE1523−0901 | −2.95 | −1.20 ± 0.05 | −0.62 ± 0.05 | −0.58 | 11.7 | 12 |
| HE2148−1247 | −2.50 | <−0.50 | 0.17 ± 0.10 | <−0.67 | >15.9 | 20 |
| HE2327−5642 | −2.78 | −1.67 ± 0.21 | −1.29 ± 0.07 | −0.38 | 2.3 | 13 |
| M15 K341 | −2.32 | −1.51 ± 0.10 | −0.88 ± 0.09 | −0.63 | 14.0 | 14 |
| M15 K462 | −2.25 | −1.30 ± 0.10 | −0.61 ± 0.09 | −0.69 | 16.8 | 14 |
| M15 K583 | −2.34 | −1.70 ± 0.10 | −1.24 ± 0.09 | −0.46 | 6.1 | 14 |
| M5 IV−81 | −1.28 | −0.58 ± 0.15 | −0.31 ± 0.05 | −0.27 | −2.8 | 15,16 |
| M5 IV−82 | −1.33 | −0.68 ± 0.15 | −0.23 ± 0.05 | −0.45 | 5.6 | 15,16 |
| M92 VII−18 | −2.29 | −2.01 ± 0.07 | −1.45 ± 0.07 | −0.56 | 10.7 | 1,2 |
| UMi COS82 | −1.42 | −0.25 ± 0.15 | 0.34 ± 0.11 | −0.59 | 12.1 | 17 |
Notes. Both detected values and upper limits are included.
References. (1) Johnson (2002); (2) Johnson & Bolte (2001); (3) Roederer et al. (2009); (4) Christlieb et al. (2004); (5) Barklem et al. (2005); (6) Jonsell et al. (2006); (7) Honda et al. (2004); (8) Hill et al. (2002); (9) Plez et al. (2004); (10) Sneden et al. (2009); (11) Ivans et al. (2006); (12) Frebel et al. (2007); (13) Mashonkina et al. (2010); (14) Sneden et al. (2000); (15) Yong et al. (2008a); (16) Yong et al. (2008b); (17) Aoki et al. (2007); (18) Simmerer et al. (2004); (19) Honda et al. (2007); (20) Cohen et al. (2003).
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