R-Process Alliance: metal-poor star spectroscopy

This compilation is the fourth data release from the R-Process Alliance (RPA) search for r-process-enhanced stars and the second release based on "snapshot" high-resolution...

本汇编为快中子俘获过程联盟（R-Process Alliance, RPA）针对快中子俘获过程（r-process）增强恒星开展的搜寻项目的第四次数据发布，同时也是基于‘快照式’高分辨率（snapshot high-resolution）的第二次数据发布……