Reviving old controversies: is the early Galaxy flat or round? - Investigations into the early phases of the Milky Way’s formation through stellar kinematics and chemical abundances

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Fig. 13.

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From left to right: stars in [Mg/Fe]–[Fe/H], [Ca/Fe]–[Fe/H] and [Ba/Fe]–[Fe/H] planes colour-coded by their angular momentum L_z (first row), their orbital energy E (second row), and arctangent of the ratio z_max/R_max (third row). Stars from Roederer et al. (2018) are also plotted in the [Ba/Fe]–[Fe/H] plane.

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