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Secondary-mass Features Improve Spectral-siren H0 Constraints

  • Authors: Yin-Jie Li, Yi-Ying Wang, Yuan-Zhu Wang, Shao-Peng Tang, Yi-Zhong Fan

Yin-Jie Li et al 2026 The Astrophysical Journal 1010 .

  • Provider: AAS Journals

Caption: Figure B2.

Inferred mass distributions of primary and secondary BHs under the Flexible-BBH, PS-paired, MLTP-paired, and MLTP models. Solid lines and shaded areas represent median values and 90% credible intervals, respectively. The MLTP model fails to capture the peaks at ∼10 M⊙ and ∼30 M⊙ in the secondary-mass distribution.

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