ELVES
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- The Exploration of Local VolumE Satellites (ELVES) Survey was designed to identify and characterize lowmass dwarf satellite galaxies surrounding massive host galaxies in the Local Volume (Carlsten et al. 2020, 2021a,b,c, 2022).
- 利用SBF的方法测量距离,是一个voulume completes样本 (D = 12 Mpc)
- 大概有30个主星系,300个卫星星系
- 有人眼的形态区分