Beyond Gaia DR3: Tracing the [α/M] – [M/H] bimodality from the inner to the outer Milky Way disc with Gaia-RVS and convolutional neural networks

Open Access

Fig. 24

Two-dimensional histograms and contours of [α/M] vs. [M/H] in 53 200 Gaia-RVS giants of the observed sample with 15 ≤ S /N ≤ 25 and log(g) ≤ 2.2 within the training sample limits. The stars are plotted in kiloparsec bins of galactocentric radius (R) and height above the galactic plane (Z).

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