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Table 5.
Influence of the adopted distance to the Galactic center on the slope and intercept of the metallicity gradient.
| Bootstrap method |
Total least squares method |
||||
|---|---|---|---|---|---|
| Rg kpc | Reference | Slope dex kpc−1 | Intercept dex | Slope dex kpc−1 | Intercept dex |
| 7.94 | Groenewegen et al. (2008), Matsunaga et al. (2013) | −0.0447 ± 0.0066 | 0.3522 ± 0.0528 | −0.0398 ± 0.0024 | 0.2963 ± 0.0181 |
| 8.00 | Reid (1993), Camarillo et al. (2018) | −0.0449 ± 0.0066 | 0.3558 ± 0.0532 | −0.0398 ± 0.0025 | 0.2988 ± 0.0181 |
| 8.30 | de Grijs & Bono (2016), Majaess et al. (2018) | −0.0455 ± 0.0066 | 0.3737 ± 0.0550 | −0.0399 ± 0.0025 | 0.3112 ± 0.0189 |
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