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Photometric Identification and Dynamical Purification of Blue Horizontal-branch Stars in DESI MWS DR1

  • Authors: Shuai Zhang, Xiaolong Wang, Kai Xiao, Guozhen Hu, Wenyuan Cui, Ce Cai, Shuai Feng, Jie Ju

Shuai Zhang et al 2026 The Astrophysical Journal Supplement Series 286 .

  • Provider: AAS Journals

Caption: Figure 5.

Toomre diagram (Vϕ vs. ﹩\sqrt{{V}_{R}^{2}+{V}_{z}^{2}}﹩) of the clean samples ﹩{{ \mathcal S }}_{c}﹩ (blue dots) and ﹩{{ \mathcal S }}_{d}﹩ (magenta dots). The blue and red dashed circles indicate the kinematic boundaries of the thin disk and thick disk, respectively (P. Re Fiorentin et al. 2019).

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