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Table 5.
Radial gradient slopes.
| Slope (dex kpc−1) | Range (kpc) | Type of | ||
|---|---|---|---|---|
| Oxygen | Silicon | objects | ||
| This work | −0.07 ± 0.01 | −0.09 ± 0.01 | 8.4–15.6 | OB Stars |
| Gummersbach et al. (1998) | −0.067 ± 0.024 | −0.107 ± 0.028 | 5.0–14.0 | OB Stars |
| Rolleston et al. (2000) | −0.067 ± 0.008 | −0.06 ± 0.01 | 6.0–18.0 | OB Stars |
| Daflon & Cunha (2004) | −0.031 ± 0.012 | −0.040 ± 0.017 | 4.7–13.2 | OB Stars |
| Lemasle et al. (2013) | – | −0.057 ± 0.011 | 7.0–15.0 | Cepheids |
| Genovali et al. (2015) | – | −0.049 ± 0.002 | 4.0–18.5 | Cepheids |
| Luck (2018) | −0.0429 ± 0.0023 | −0.0497 ± 0.0022 | ∼4.5–17.0 | Cepheids |
| Esteban et al. (2017) | −0.040 ± 0.005 | – | 5.1–17.0 | HII regions |
| Fernández-Martín et al. (2017) | −0.053 ± 0.009 | – | 11.0–18.0 | HII regions |
| Esteban & García-Rojas (2018) | −0.051 ± 0.008 | – | 7.0–17.0 | HII regions |
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