Kavli Affiliate: Anna Frebel | First 5 Authors: Derek Shank, Timothy C. Beers, Vinicius M. Placco, Dmitrii Gudin, Thomas Catapano | Summary: Orbital characteristics based on Gaia Early Data Release 3 astrometric parameters are analyzed for ${sim} 1700$ $r$-process-enhanced (RPE; [Eu/Fe] $> +0.3$) metal-poor stars ([Fe/H] $leq -0.8$) compiled from the $R$-Process Alliance, the GALactic […]
Continue.. The emph{R}-Process Alliance: Chemo-Dynamically Tagged Groups II. An Extended Sample of Halo $r$-Process-Enhanced Stars