Table 1
Comparison of Galactic abundance gradients (slopes in dex/kpc) for [X/H] vs. Rgc from this work and selected literature sources.
| Element | This work | Myers et al. (2022) | OCCASO | Gaia-ESO |
|---|---|---|---|---|
| Fe | −0.072 ± 0.017 | −0.073 ± 0.002 | −0.059 ± 0.017 | −0.054 ± 0.004 |
| F | −0.118 ± 0.060 | − | − | − |
| Mg | −0.061 ± 0.016 | −0.027 ± 0.006 | −0.042 ± 0.020 | −0.058 ± 0.006 |
| Si | −0.044 ± 0.016 | −0.031 ± 0.006 | −0.046 ± 0.018 | −0.039 ± 0.004 |
| S | −0.007 ± 0.023 | −0.028 ± 0.006 | − | − |
| Ca | −0.069 ± 0.017 | −0.031 ± 0.006 | −0.046 ± 0.018 | −0.034 ± 0.003 |
| Na | −0.113 ± 0.028 | −0.039 ± 0.010 | −0.086 ± 0.019 | −0.061 ± 0.005 |
| Al | −0.069 ± 0.018 | −0.028 ± 0.007 | −0.072 ± 0.018 | −0.046 ± 0.007 |
| K | −0.079 ± 0.019 | −0.027 ± 0.007 | − | − |
| Ti | −0.069 ± 0.018 | −0.034 ± 0.007 | −0.043 ± 0.018 | −0.045 ± 0.005 |
| V | −0.049 ± 0.030 | 0.003 ± 0.011 | −0.069 ± 0.018 | −0.044 ± 0.005 |
| Cr | −0.076 ± 0.022 | −0.042 ± 0.008 | −0.042 ± 0.019 | −0.053 ± 0.005 |
| Mn | −0.077 ± 0.020 | −0.040 ± 0.007 | −0.066 ± 0.020 | −0.061 ± 0.007 |
| Co | −0.047 ± 0.015 | −0.038 ± 0.011 | −0.066 ± 0.018 | −0.059 ± 0.006 |
| Ni | −0.092 ± 0.018 | −0.032 ± 0.007 | −0.059 ± 0.017 | −0.053 ± 0.005 |
| Cu | −0.068 ± 0.024 | — | −0.064 ± 0.020 | −0.056 ± 0.010 |
| Zn | −0.021 ± 0.049 | − | −0.033 ± 0.021 | −0.046 ± 0.004 |
| Y | −0.006 ± 0.038 | − | −0.064 ± 0.020 | −0.045 ± 0.004 |
| Ce | −0.026 ± 0.021 | −0.006 ± 0.009 | −0.058 ± 0.021 | −0.037 ± 0.004 |
| Nd | −0.021 ± 0.021 | − | −0.027 ± 0.023 | −0.015 ± 0.003 |
| Yb | 0.023 ± 0.033 | − | − | − |
Notes. The literature values are taken from Myers et al. (2022), Carbajo-Hijarrubia et al. (2024), and Magrini et al. (2023). APOGEE and GALAH surveys cover a larger Rgc interval, while OCCASO spans a range comparable to that used in this work.
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