Enrichment in r-process Elements from Multiple Distinct Events in the Early Draco Dwarf Spheroidal Galaxy
Authors: Takuji Tsujimoto, Tadafumi Matsuno, Wako Aoki, Miho N. Ishigaki, and Toshikazu Shigeyama
2017 The Astrophysical Journal Letters850L12.
Provider: AAS Journals
Caption: Figure 3.
Top panel: the observed Eu ratios of our 12 Draco stars. Symbols are the same as those used in Figure 2. Bottom panel: same as the top panel, but for Y, a light neutron-capture element.