Figure 2 from OBSERVATIONAL CONSTRAINTS ON FIRST-STAR NUCLEOSYNTHESIS. I. EVIDENCE FOR MULTIPLE PROGENITORS OF CEMP-NO STARS

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OBSERVATIONAL CONSTRAINTS ON FIRST-STAR NUCLEOSYNTHESIS. I. EVIDENCE FOR MULTIPLE PROGENITORS OF CEMP-NO STARS

Authors: Jinmi Yoon, Timothy C. Beers, Vinicius M. Placco, Kaitlin C. Rasmussen, Daniela Carollo, Siyu He, Terese T. Hansen, Ian U. Roederer, and Jeff Zeanah

2016 The Astrophysical Journal 833 20.

Provider: AAS Journals

Caption: Figure 2.

Left panel: cumulative histograms of A(C) for the the CEMP-s/rs stars (blue) and CEMP-no stars (red), in cuts of decreasing metallicity. Right panel: differential histograms of A(C) for both sub-classes in intervals of declining metallicities. The dotted black lines represent the estimated location of the high-C and low-C peaks based on a two-component Gaussian fit (see the text).

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