Figure 4 from TRIANGULUM II: A VERY METAL-POOR AND DYNAMICALLY HOT STELLAR SYSTEM

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TRIANGULUM II: A VERY METAL-POOR AND DYNAMICALLY HOT STELLAR SYSTEM

Authors: Nicolas F. Martin, Rodrigo A. Ibata, Michelle L. M. Collins, R. Michael Rich, Eric F. Bell, Annette M. N. Ferguson, Benjamin P. M. Laevens, Hans-Walter Rix, Scott C. Chapman, and Andreas Koch

2016 The Astrophysical Journal 818 40.

Provider: AAS Journals

Caption: Figure 4.

Smoothed spectra of two Tri II RGB (top) and three lower-RGB/SGB member stars in the region around the CaT. The spectra are smoothed with a three-pixel boxcar filter. The properties of the stars are listed in each panel. Note the weak lines of the two RGB stars and the varying line widths of the three lower-RGB/SGB stars that share similar photometric properties, indicating a potential metallicity dispersion in the system.

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