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Table 1
Average values and standard deviations for firon and the water mass fraction in the different galactic populations.
| Population | Average | Std. |
|
|
||
| f iron | ||
| Thin disc | 31.974 | 1.750 |
| Thin disc ([Fe/H] < −0.2) | 29.430 | 1.550 |
| Thin disc ([Fe/H] ≥ −0.2) | 32.514 | 1.240 |
| Thick disc ([Fe/H] < −0.2) | 22.464 | 1.742 |
| hαmr | 28.727 | 1.338 |
| Halo† | 23.110 | 2.884 |
|
|
||
| w f | ||
| Thin disc | 59.713 | 7.106 |
| Thin disc ([Fe/H] < −0.2) | 68.014 | 7.116 |
| Thin disc ([Fe/H] ≥ −0.2) | 57.953 | 5.724 |
| Thick disc ([Fe/H] < −0.2) | 76.172 | 5.448 |
| hαmr | 62.591 | 7.194 |
| Halo† | 83.990 | 4.115 |
|
|
||
| Z | ||
| Thin disc | 1.508 | 0.597 |
| Thin disc ([Fe/H] < −0.2) | 0.818 | 0.181 |
| Thin disc ([Fe/H] ≥ −0.2) | 1.655 | 0.550 |
| Thick disc ([Fe/H] < −0.2) | 0.870 | 0.233 |
| hαmr | 1.773 | 0.444 |
| Halo† | 0.808 | 0.082 |
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