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Table 2
Results of the fitting of the elements with Z≤ 30.
| Linear | Hyperbolic | Two-segmented line | |||||||
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| Element | a | b | k | a | b | k | a | b | c |
| [dex] | [dex Gyr-1] | [Gyr] | [dex] | [Gyr dex-1] | [Gyr] | [dex] | [dex Gyr-1] | [dex Gyr-1] | |
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| C | −0.133 ± 0.018 | 0.019 ± 0.003 | ≳7* | ~1.085 | ~22.8 | – | – | – | – |
| O | −0.095 ± 0.013 | 0.016 ± 0.002 | ≳7* | ~1.356 | ~45.8 | – | – | – | – |
| Na | −0.107 ± 0.019 | 0.015 ± 0.003 | 5.0 ± 0.1 | 1.029 ± 0.005 | 6.3 ± 0.4 | 5.8 ± 0.3 | −0.129 ± 0.021 | 0.0314 ± 0.0076 | −0.064 ± 0.017 |
| Mg | −0.045 ± 0.005 | 0.0100 ± 0.0009 | ≳7* | ~1.025 | ~18.2 | – | – | – | – |
| Al | −0.062 ± 0.008 | 0.0147 ± 0.0015 | ≳7* | ~1.043 | ~15.5 | – | – | – | – |
| Si | −0.025 ± 0.004 | 0.0051 ± 0.0008 | 5.9 ± 0.3 | 1.013 ± 0.002 | 15.2 ± 1.8 | 6.0 ± 0.4 | −0.035 ± 0.005 | 0.0089 ± 0.0014 | −0.008 ± 0.004 |
| S | −0.045 ± 0.009 | 0.0046 ± 0.0017 | 5.8 ± 0.6 | 0.989 ± 0.005 | 15.1 ± 3.6 | 4.6 ± 0.9 | −0.072 ± 0.017 | 0.0145 ± 0.0062 | −0.004 ± 0.005 |
| Ca | 0.021 ± 0.004 | −0.0014 ± 0.0008 | 5.0 ± 0.2 | −0.998 ± 0.003 | 14.2 ± 1.4 | 4.8 ± 0.5 | 0.044 ± 0.007 | −0.0098 ± 0.0025 | 0.007 ± 0.003 |
| Sc | −0.024 ± 0.010 | 0.0071 ± 0.0018 | 5.5 ± 0.2 | 1.037 ± 0.005 | 10.0 ± 1.0 | 5.7 ± 0.5 | −0.056 ± 0.013 | 0.0184 ± 0.0037 | −0.019 ± 0.009 |
| Ti | −0.016 ± 0.005 | 0.0061 ± 0.0011 | ≳7* | ~1.045 | ~41.2 | – | – | – | – |
| V | 0.013 ± 0.007 | −0.0034 ± 0.0012 | 4.7 ± 0.2 | 1.014 ± 0.003 | 12.6 ± 1.2 | 4.8 ± 0.5 | −0.029 ± 0.009 | 0.0099 ± 0.0031 | −0.012 ± 0.003 |
| Cr | 0.012 ± 0.003 | −0.0024 ± 0.0005 | 6.2 ± 0.7 | −1.005 ± 0.002 | 25.0 ± 5.1 | 6.9 ± 0.5 | 0.014 ± 0.003 | −0.0031 ± 0.0007 | 0.006 ± 0.006 |
| Mn | −0.057 ± 0.010 | 0.0075 ± 0.0019 | 4.8 ± 0.2 | 1.004 ± 0.008 | 9.8 ± 1.5 | 3.4 ± 0.7 | −0.106 ± 0.041 | 0.0347 ± 0.0187 | −0.010 ± 0.005 |
| Co | −0.065 ± 0.015 | 0.012 ± 0.003 | 5.2 ± 0.2 | 1.020 ± 0.004 | 8.8 ± 0.7 | 5.2 ± 0.3 | −0.096 ± 0.014 | 0.0242 ± 0.0040 | −0.020 ± 0.006 |
| Ni | −0.053 ± 0.010 | 0.0076 ± 0.0017 | 5.0 ± 0.1 | 1.016 ± 0.004 | 8.6 ± 0.6 | 5.3 ± 0.4 | −0.088 ± 0.015 | 0.0228 ± 0.0052 | −0.027 ± 0.006 |
| Cu | −0.108 ± 0.013 | 0.020 ± 0.003 | 7.1 ± 0.8 | 1.025 ± 0.008 | 11.0 ± 1.8 | 6.7 ± 0.5 | −0.127 ± 0.014 | 0.0260 ± 0.0033 | −0.039 ± 0.037 |
| Zn | −0.075 ± 0.007 | 0.0122 ± 0.0014 | 6.3 ± 0.4 | 1.012 ± 0.004 | 11.4 ± 1.4 | 6.9 ± 0.3 | −0.090 ± 0.009 | 0.0177 ± 0.0021 | −0.051 ± 0.035 |
Notes.
(*)
The values used for the functions plotted in Fig. 1 are 16.3, 48.0, 8.0, 8.2, and 15.0 Gyr for C, O Mg, Al, and Ti, respectively.
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