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Table 2
Average [K/Fe], observed (σobs) and intrinsic (σint), number of measured stars and average [Fe/H] for the three target GCs.
| Cluster | ⟨ [ K/Fe ] NLTE ⟩ | σobs | σint | Nstars | ⟨ [ Fe/H ] ⟩ |
|
|
|||||
| NGC 104 | –0.12 ± 0.01 | 0.08 | 0.00 ± 0.02 | 144 | –0.76 |
| NGC 6752 | +0.05 ± 0.01 | 0.10 | 0.02 ± 0.03 | 134 | –1.55 |
| NGC 6809 | +0.29 ± 0.01 | 0.10 | 0.02 ± 0.02 | 151 | –1.93 |
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