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Discovery of the First Five Carbon-enhanced Metal-poor Stars in the LMC

  • Authors: Madeline Lucey, Vedant Chandra, Alexander P. Ji, Andrew R. Casey, David Nidever, Sean Morrison, Robyn E. Sanderson, Slater Oden, José G. Fernández-Trincado, Guilherme Limberg

Madeline Lucey et al 2026 The Astrophysical Journal Letters 1000 .

  • Provider: AAS Journals

Caption: Figure 4.

Carbon abundances ([C/Fe]) as a function of [Fe/H] for the five CEMP stars compared to literature samples. Specifically, we compare to results from A. Chiti et al. (2024), who report abundances for some of the most metal-poor stars known in the LMC, along with results from APOGEE spectra in SDSS-IV DR17. The commonly used definition for CEMP ([C/Fe] > 0.7) is shown as a black dashed line, with the five stars from this work being the only stars above said line.

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