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Evaluating Classifications of Extremely Metal-poor Candidates Selected from Gaia XP Spectra

  • Authors: Riley Thai, Andrew R. Casey, Alexander P. Ji, Vedant Chandra, Hans-Walter Rix

Riley Thai et al 2026 The Astronomical Journal 171 .

  • Provider: AAS Journals

Caption: Figure 3.

Orbital and kinematic properties for our stars. Left: total energy vs. angular momentum, colored by apastron distance Rapo. Right: action space (Jz − Jr)/Jtot against angular momentum fraction Jϕ/Jtot. Our orbital properties are consistent with expectations for halo VMP stars. CEMP stars, RPE stars, and magnesium-unusual stars are highlighted per the legend.

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