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Breaking the Mass-sheet Degeneracy in Time-delay Cosmography with Lensed and Unlensed Type Ia Supernovae

  • Authors: Xiaolei Li, Kai Liao, Xuheng Ding

Xiaolei Li et al 2026 The Astrophysical Journal 1000 .

  • Provider: AAS Journals

Caption: Figure 9.

The joint distribution of the distance ratio ﹩{({D}_{s}/{D}_{d}s)}_{{\rm{GP}}}^{{\rm{unlensed}}}﹩ (Equation (17)) and the magnifications ﹩{\mu }_{i}^{{\rm{obs}}}﹩ (Equation (12)), constructed from 1000 GP realizations of the unlensed SNe Ia combined with the simulated lensed SN Ia data (zs = 1.5, zd = 0.5).

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