Stellar streams in Andromeda (M31)
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We present a spectroscopic analysis of five stellar streams ("A", "B", "Cr", "Cp" and "D") as well as the extended star cluster, EC4, which lies within Stream "C", all...
本研究针对5个分别标记为"A"、"B"、"Cr"、"Cp"与"D"的恒星流（stellar stream），以及位于恒星流"C"内部的延展星团EC4开展了光谱分析，所有……
