#chemical abundances
topicchemical abundances
2 papers · 1 filter
astro-ph.GA2026
Berkeley 32: A Metal-poor and Dynamically Evolved Open Cluster with Evidence of Radial Migration
Deniz Cennet Ãınar, D. Bisht, Ing-Guey Jiang +3
The study uses Gaia astrometry and Gaia-ESO spectroscopy to determine the age, metallicity, orbit, binary fraction, and dynamical state of the old, metal-poor open cluster Berkeley…
astro-ph.GA2026★ 29 cited
The complex stellar system M 22: confirming abundance variations with high precision differential measurements
M. McKenzie, D. Yong, A. F. Marino +8
The authors perform high‑precision differential spectroscopy of six red‑giant stars in the globular‑cluster‑like system M 22, confirming internal abundance variations in many eleme…