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Table 5
[Ba/Fe]−[Na/Fe] abundance correlation coefficients and their in the full sample of 261 RGB stars in 47 Tuc and sub-samples divided into ΔTeff = 100 K-wide bins.
| Pearson | Spearman | Kendall | |||
|---|---|---|---|---|---|
| r | p | ρ | p | τ | p |
| Full sample, N = 261 | |||||
| − 0.18 | 2.93 × 10−3 | − 0.20 | 1.30 × 10−3 | − 0.14 | 6.88 × 10−4 |
| 4200 ≤ Teff < 4300, N = 23 | |||||
| − 0.11 | 0.61 | − 0.09 | 0.68 | − 0.06 | 0.68 |
| 4300 ≤ Teff < 4400, N = 15 | |||||
| − 0.15 | 0.60 | − 0.17 | 0.54 | − 0.16 | 0.42 |
| 4400 ≤ Teff < 4500, N = 35 | |||||
| − 0.38 | 0.024 | − 0.34 | 0.048 | − 0.24 | 0.043 |
| 4500 ≤ Teff < 4600, N = 42 | |||||
| − 0.15 | 0.35 | − 0.15 | 0.32 | − 0.11 | 0.31 |
| 4600 ≤ Teff < 4700, N = 48 | |||||
| − 0.41 | 3.77 × 10−3 | − 0.41 | 3.19 × 10−3 | − 0.28 | 4.87 × 10−3 |
| 4700 ≤ Teff < 4800, N = 66 | |||||
| − 0.11 | 0.39 | − 0.16 | 0.20 | − 0.12 | 0.15 |
| 4800 ≤ Teff < 4800, N = 32 | |||||
| 0.15 | 0.42 | 0.04 | 0.83 | 0.03 | 0.84 |
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