Cluster ID | Typea | N*b | [Fe/H] |
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[Sr/Fe] |
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[Y/Fe] |
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[Ba/Fe] |
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[Eu/Fe] |
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NGC 104 / 47 Tuc | SG | 8 | -0.69 | 0.06 | +0.36 | 0.16 | -0.11 | 0.10 | +0.35 | 0.12 | +0.17 | ... |
TO | 3 | -0.68 | 0.01 | +0.28 | 0.14 | +0.06 | 0.01 | +0.22 | 0.12 | +0.11 | ... | |
NGC 6397 | SG | 3 | -2.08 | 0.01 | -0.04 | 0.14 | -0.20 | 0.09 | -0.17 | 0.06 | ![]() |
0.09 |
TO | 5 | -2.07 | 0.01 | -0.06 | 0.15 | ![]() |
0.13 | -0.31 | 0.06 | ![]() |
... | |
Data for NGC 6752 (from James et al. 2004). | ||||||||||||
NGC 6752 | SG | 9 | -1.49 | 0.07 | -0.01 | 0.09 | -0.01 | 0.13 | +0.25 | 0.08 | +0.40 | 0.09 |
TO | 9 | -1.48 | 0.07 | +0.12 | 0.19 | -0.03 | 0.11 | +0.11 | 0.09 | +0.47 | 0.08 |
a SG = subgiants, TO = turnoff stars; bN* = number of stars in each group; c
= standard deviation around the mean value.