Table 10
Mean measured metallicities of the clusters.
| Cluster | N | [Fe/H] | σ( [ Fe / H ]) | Δ( [ Fe / H ]) |
|
|
||||
| NGC 288 | 1 | −1.35 ± 0.05 | − | −0.03 |
| NGC 1904 | 3 | −1.69 ± 0.05 | 0.04 | −0.09 |
| NGC 2420 | 1 | −0.28 ± 0.03 | − | 0.03 |
| NGC 2682 | 1 | −0.07 ± 0.03 | − | −0.07 |
| NGC 5272 | 3 | −1.53 ± 0.06 | 0.05 | −0.03 |
| NGC 5904 | 2 | −1.37 ± 0.04 | 0.06 | −0.07 |
| NGC 6205 | 1 | −1.42 ± 0.03 | − | 0.11 |
| NGC 6341 | 2 | −2.41 ± 0.05 | 0.12 | −0.10 |
| IC 4725 | 1 | −0.02 ± 0.03 | − | −0.05 |
| NGC 6791 | 3 | 0.32 ± 0.03 | 0.09 | −0.10 |
| NGC 6838 | 17 | −0.86 ± 0.08 | 0.07 | −0.08 |
| NGC 7789 | 11 | −0.04 ± 0.03 | 0.05 | −0.05 |
Notes. The column labelled N gives the number of stars measured in the cluster; [Fe/H] is the mean of the measured metallicity, and the error is the mean measured error; σ( [ Fe / H ]) is the standard deviation of the measurements (for the clusters where more than one star were measured); Δ( [ Fe / H ]) is the bias computed as the mean measured [Fe/H] minus the compiled value.
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