Table 2.
Fraction of stars below Zmax = 2 kpc, for each GUMS component, and for PGS in different [Fe/H] intervals (all < –1.7 dex).
| Sample | Zmax < 2 kpc | Zmax < 2 kpc out of the highly |
|---|---|---|
| out of all stars (%) | prograde (Vϕ > 180 km.s−1) sample (%) | |
| GUMS thin disc | 84 | 89 |
| GUMS thick disc | 38 | 57 |
| GUMS halo | 18 | 14 |
| PGS, [Fe/H] < –1.7 | 22 | 33 |
| PGS, –2.0 < [Fe/H] < –1.7 | 24 | 38 |
| PGS, –2.5 < [Fe/H] < –2.0 | 21 | 30 |
| PGS, –4.0 < [Fe/H] < –2.5 | 18 | 26 |
Notes. Each GUMS subset follows the selection function of the PGS VMP sample (below [Fe/H] = –1.7) in ℓ, b, ϖ and apparent G magnitude. The fractions are given for full samples, and for highly prograde subsets (Vϕ > 180 km.s−1).
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