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Table 2.
Gradients and zero points of the age, metallicity, [α/Fe], and M/LV profiles shown in Figs. 21 to 24.
| Region | Age grad. (Gyr kpc−1) | Age(r = 0) (Gyr) | [Z/H] grad. (dex kpc−1) | [Z/H](r = 0) (dex) | [α/Fe] grad. (dex kpc−1) | [α/]Fe(r = 0) (dex) | M/LV grad. (M⊙/L⊙ kpc−1) | M/LV(r = 0) (M⊙/L⊙) |
|---|---|---|---|---|---|---|---|---|
| InBulge | 1.7 ± 1.0 | 12.6 ± 0.2 | −0.5 ± 0.1 | 0.14 ± 0.02 | 0.13 ± 0.04 | 0.26 ± 0.01 | −1.5 ± 0.3 | 5.0 ± 0.1 |
| OutBulge | 1.0 ± 0.3 | 12.2 ± 0.2 | −0.1 ± 0.01 | 0.06 ± 0.01 | −0.07 ± 0.02 | 0.32 ± 0.01 | −0.1 ± 0.1 | 4.5 ± 0.1 |
| Bar | −0.4 ± 0.2 | 12.9 ± 0.2 | 0 ± 0.01 | 0.02 ± 0.01 | −0.04 ± 0.01 | 0.31 ± 0.01 | −0.2 ± 0.05 | 4.6 ± 0.1 |
| B/P | −0.1 ± 0.3 | 13.1 ± 0.4 | 0 ± 0.01 | −0.01 ± 0.13 | −0.04 ± 0.01 | 0.31 ± 0.02 | −0.1 ± 0.09 | 4.5 ± 0.1 |
| Disk | −0.4 ± 0.3 | 9.7 ± 1.1 | 0. ± 0.03 | −0.01 ± 0.12 | −0.01 ± 0.02 | 0.27 ± 0.08 | −0.04 ± 0.11 | 3.1 ± 0.4 |
Notes. The different regions are defined in the text and Fig. 3.
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