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Table 4.
Metallicity from the literature for our observed clusters.
| Cluster | [Fe/H] | Method | Reference |
|---|---|---|---|
| K28 | −1.2 ± 0.2 | Washington photometry | Piatti et al. (2001) |
| −1.0 ± 0.02 | Integrated spectra | Piatti et al. (2005) | |
| K44 | −1.1 ± 0.2 | Washington photometry | Piatti et al. (2001) |
| −0.81 ± 0.04 | CaII triplet | P15 | |
| L11 | −0.93 | Photometry | Mould et al. (1992) |
| −0.81 ± 0.13 | CaII triplet | DH98 | |
| −0.8/−1.3 | Strömgren photometry | Livanou et al. (2013) | |
| L32 | −1.2 ± 0.02 | Washington photometry | Piatti et al. (2001) |
| L38 | −1.65 ± 0.2 | Washington photometry | Piatti et al. (2001) |
| L116 | −1.1 ± 0.2 | Washington photometry | Piatti et al. (2001) |
| N152 | −1.25 ± 0.25 | Integrated photometry | Bica et al. (1986) |
| −1.1 − −1.4 | Integrated spectra | Dias et al. (2010) | |
| −0.73 ± 0.11 | High-resolution spectroscopy | Song et al. (2021) | |
| NGC 339 | −1.19 ± 0.12 | CaII triplet | DH98 |
| −0.70 | Spectral indices -integrated colours | de Freitas Pacheco et al. (1998) | |
| −1.50 | Photometry | Mighell et al. (1998) | |
| −1.10 ± 0.03 | Strömgren photometry | Narloch et al. (2021) | |
| −1.01 0.17 ± | High-resolution spectroscopy | Song et al. (2021) | |
| NGC 361 | −1.25 ± 0.2 | Integrated photometry | Bica et al. (1986) |
| −0.8/−0.7 | Strömgren photometry | Livanou et al. (2013) | |
| −1.45 | Photometry | Mighell et al. (1998) | |
| −0.7 − −1.0 | Integrated spectra | Dias et al. (2010) | |
| −0.79 ± 0.04 | Strömgren photometry | Narloch et al. (2021) | |
| −0.75 ± 0.17 | Strömgren photometry | Narloch et al. (2021) | |
| NGC 411 | −0.7 ± 0.2 | Integrated spectra | Piatti et al. (2005) |
| −0.66 ± 0.09 | Integrated spectra | Piatti et al. (2005) | |
| NGC 416 | −1.1 | Spectroscopy | Martocchia et al. (2020) |
| −1.0 − −1.2 | Integrated spectra | Dias et al. (2010) | |
| −0.80 ± 0.17 | Integrated spectra | Dias et al. (2010) | |
| NGC 419 | −0.7 ± 0.3 | Photometry | Durand et al. (1984) |
| −1.2 | Integrated photometry | Bica et al. (1986) | |
| −0.6 | Spectral indices -integrated colours | de Freitas Pacheco et al. (1998) | |
| −0.6 − −1.4 | Integrated spectra | Dias et al. (2010) | |
| −0.70 | Spectroscopy | Martocchia et al. (2017) | |
| −0.84 ± 0.19 | High-resolution spectroscopy | Song et al. (2019) | |
| −0.66 ± 0.15 | High-resolution spectroscopy | Song et al. (2019) |
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