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The R-Process Alliance: The r-process Enhancement of Stars from Chemodynamically Tagged Groups in the Milky Way Halo

  • Authors: Jessica Merritt Agnos, Charli M. Sakari, Pedro Silva, Terese T. Hansen, Erika M. Holmbeck, Ian U. Roederer, Hal France, Truman Farr, Rana Ezzeddine, Anna Frebel, Vinicius M. Placco, Timothy C. Beers

Jessica Merritt Agnos et al 2026 The Astrophysical Journal 1004 .

  • Provider: AAS Journals

Caption: Figure 1.

Example syntheses of the 4050.3 Å Zr II line (top row), the 4086.7 Å La II line (middle row), and the 4129.7 Å Eu II line (bottom row) in J1459−3852 (left column), J1521−0607 (middle column), and J1944−4039 (right column), respectively. The black points show the spectrum, the solid lines show the best-fit syntheses, and the shaded regions show abundance uncertainties. The dashed gray lines show the synthesis with zero abundance for the line of interest.

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