Abundance spreads in Bootes I and Segue 1
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We present an AAOmega spectroscopic study of red giants in the ultra-faint dwarf galaxy Bootes I (M_V_~-6) and the Segue 1 system (M_V_~-1.5), either an extremely low luminosity...
我们开展了针对超暗矮星系牧夫座I（Bootes I，V波段绝对星等M_V≈-6）与塞格1（Segue 1，V波段绝对星等M_V≈-1.5）系统内红巨星的AAOmega光谱学研究，该系统属于一类光度极低的……
