Fig. 3

Clockwise, from top left: αpoor/αrich ratio as a function of [M/H] with a bin size of 0.3 dex; αpoor/αrich ratio as a function of log g with a bin size of 1.0 dex; αpoor/αrich ratio as a function of Galactic longitude with a bin size of 60°; αpoor/αrich ratio as a function of absolute Galactic latitude with a bin size of 15°.
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