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Weighing Hidden Companions of Compact Object Candidates via Rotational Broadening

  • Authors: Rui Wang, Zhi-Xiang Zhang, Wei-Min Gu, Hao-Bin Liu, Tuan Yi, Zhong-Rui Bai

Rui Wang et al 2026 The Astronomical Journal 171 .

  • Provider: AAS Journals

Caption: Figure 5.

The mass of the visible star (M2) vs. that of the unseen companions (M1). The red, blue, and green dashed–dotted lines indicate M1 = M2, M1 = 2/3M2, and M1 = 1/2M2, respectively. The confirmed compact object system J2354 is marked with an orange star, while other targets are shown as black circles with errors.

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