Open Access
Table 1.
Slopes of the [Fe/H] gradient from open cluster samples, from the recent literature.
| Reference | Slope | Range | n. objs. |
|---|---|---|---|
| (dex kpc−1) | (kpc) | ||
| This work | −0.054 ± 0.004 | 6–21 | 62 |
| −0.081 ± 0.008 | 6–11.2 | 42 | |
| −0.044 ± 0.014 | 11.2–21 | 20 | |
| Gaia Collaboration (2023) | −0.054 ± 0.008 | 5–12 | 503 |
| Netopil et al. (2022) | −0.058 | 6–21 | 136 |
| Spina et al. (2022) | −0.064 ± 0.007 | 5–24 | 175 |
| Zhang et al. (2021a) | −0.066 ± 0.005 | 6–15.5 | 157 |
| Donor et al. (2020) | −0.068 ± 0.004 | 6–16 (*) | 71 |
| Myers et al. (2022) | −0.073 ± 0.002 | 6–11.5 | 94 |
| Spina et al. (2021) | −0.076 ± 0.009 | 6–16.5 | 134 |
| Carrera et al. (2019) | −0.077 ± 0.007 | 6–14.5 (*) | 90 |
| Genovali et al. (2014) | −0.051 ± 0.003 | 5–15 | 127 |
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