How much can shape degeneracies affect the Hubble constant measurement?
astro-ph.CO
Submitted: 2026-10-12
Updated: 2026-10-14
Comments: 8 pages, 2 figures. Comments are welcome!
Code: https://github.com/akmeena766/ClusterLensModels
License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Terminology
Sources
- Deja Vu All Over Again: The Reappearance of Supernova Refsdal
- Constraints on the Hubble constant from Supernova Refsdal's reappearance
- A Gravitationally Lensed Supernova with an Observable Two-Decade Time Delay
- The JWST Discovery of the Triply-imaged Type Ia "Supernova H0pe" and Observations of the Galaxy Cluster PLCK G165.7+67.0
- SN H0pe: The First Measurement of $H_0$ from a Multiply-Imaged Type Ia Supernova, Discovered by JWST
- Cosmology with supernova Encore in the strong lensing cluster MACS J0138-2155: Time delays & Hubble constant measurement
- Cosmology with supernova Encore in the strong lensing cluster MACS J0138-2155: Lens model comparison and H0 measurement
- SN Helios: A Multiply Imaged Type II Supernova Opening Time-Delay Cosmography beyond redshift of 3
- Weak Gravitational Lensing
- Mass profiles of Galaxy Clusters from X-ray analysis
- Gravitational lensing model degeneracies: Is steepness all-important?
- Shape Degeneracies: the likely culprit for the differences between lens mass models of galaxy clusters
- Lensing Degeneracies Revisited
- Source-position transformation -- an approximate invariance in strong gravitational lensing
- Non-parametric strong lens inversion of Cl~0024+1654: illustrating the monopole degeneracy
- Lensing degeneracies and mass substructure
- Cosmology with supernova Encore in the strong lensing cluster MACS J0138$-$2155: photometry, cluster members, and lens mass model
- Cosmology with Supernova Encore in the lensing cluster MACS J0138$-$2155 -- Spectroscopy with MUSE
- LensFactory.jl: A general-purpose strong lens modeling package
- The Frontier Fields Lens Modeling Comparison Project
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