Table 2.
Metallicity statistics of the nGC3 (Strip) final sample.
| Type | N | ⟨[Fe/H]⟩ [dex] | σ[Fe/H] [dex] |
|---|---|---|---|
| RRab | 997 (1876) | −1.60 (−1.62) | 0.63 (0.62) |
| RRc | 89 (149) | −1.62 (-1.65) | 0.45 (0.46) |
| RRd | 1 (2) | −1.11 (−1.10) | − (0.02) |
Notes. For each type of RR Lyrae (first column) we show: the number of sources classified as such with reported metallicity (second column), their mean metallicity as given in the Gaia archive (third column), and the associated standard deviation (fourth column).
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