Presence of red giant population in the foreground stellar substructure of the Small Magellanic Cloud
Monthly Notices of the Royal Astronomical Society(2021)
摘要
The eastern region of the Small Magellanic Cloud (SMC) is found to have a foreground stellar substructure, which is identified as a distance bimodality (∼12 kpc apart) in the previous studies using red clump (RC) stars. Interestingly, studies of red giant branch (RGB) stars in the eastern SMC indicate a bimodal radial velocity (RV) distribution. In this study, we investigate the connection between...
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关键词
proper motions,stars: kinematics and dynamics,galaxies: individual: Small Magellanic Cloud,galaxies: interactions,Magellanic Clouds
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