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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 2.

Using the HDBSCAN clustering algorithm to classify the sample, the identified BHB stars (red points) are clearly concentrated in a tight cluster, while the gray points have a significantly different density distribution from the BHB stars.

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