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Table 4.
Fitting coefficients of [Fe/H] = m1 ⋅ R + c for the total open cluster sample, and in the three investigated age bins, with RGC, Rwarp, and Rmean.
| m1 | c | PCC | |
|---|---|---|---|
| All ages | |||
| RGC | −0.054±0.004 | 0.474±0.045 | −0.851 |
| Rmean | −0.060±0.005 | 0.481±0.050 | −0.831 |
| Rwarp | −0.029±0.003 | 0.255±0.033 | −0.815 |
| Age (Gyr) < 1 | |||
| RGC | −0.038±0.004 | 0.312±0.042 | −0.888 |
| Rmean | −0.041±0.004 | 0.309±0.035 | −0.914 |
| Rwarp | −0.025±0.003 | 0.204±0.035 | −0.858 |
| 1 ≤ age (Gyr) ≤ 3 | |||
| RGC | −0.063±0.006 | 0.584±0.064 | −0.923 |
| Rmean | −0.071±0.010 | 0.579±0.096 | −0.847 |
| Rwarp | −0.031±0.004 | 0.292±0.053 | −0.871 |
| Age (Gyr) > 3 | |||
| RGC | −0.084±0.019 | 0.753±0.186 | −0.788 |
| Rmean | −0.091±0.015 | 0.756±0.134 | −0.872 |
| Rwarp | −0.036±0.011 | 0.316±0.121 | −0.682 |
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