Fig. 6
Radial [Fe/H] gradients for each of the galactic quadrants were the histograms present the same quantities as in Fig. 5. The most statistically significant gradient is apparent in the α-quadrant, with a value of −0.029 ± 0.008 dex Kpc-1. The β-, δ- and γ-quadrants show less significant gradients due to a decreased number of stars.
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