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Detection of Actinides in CEMP-rs Stars

  • Authors: A. M. Riyas, D. Karinkuzhi, S. Van Eck, A. Choplin, S. Goriely, L. Siess, A. A. Farha

A. M. Riyas et al 2026 The Astrophysical Journal Letters 1006 .

  • Provider: AAS Journals

Caption: Figure 5.

The abundance patterns of the three CEMP-rs stars are compared with nucleosynthesis predictions from the STAREVOL code. The measured abundances are indicated by red circles. Upper limits are indicated with downward arrows. In all cases, the best-fitting theoretical predictions for both the i-process (black) and s-process (blue) are displayed. The gray shaded area corresponds to the typical i-process nuclear parameter uncertainties computed in S. Martinet et al. (2024) and based on a 1 M, [Fe/H] = − 2.5 model.

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