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Preprint Oct 2026

TDCOSMO 2026: new insights on the Hubble tension from strong lensing time delays

We discuss the measurement of the Hubble constant ($H_0$) in flat $\Lambda$ cold dark matter cosmology based on the blind hierarchical analysis of 11 multiply-imaged quasars (hereafter the TDCOSMO-2026 sample) and described in greater detail in a companion paper. In addition to the time delays, we use lens models based...

Tdcosmo Collaboration, S. Birrer, M. Cappellari et al. · 1 citation
Open access Sep 2026

Improving Lens Modelling from Ground-Based Imaging with Deconvolution

Accurate and precise mass modelling of strong lensing systems is essential for extracting insights into cosmology, galaxy environments, and the nature of dark matter. The Hyper Suprime-Cam Subaru Strategic Program (HSC-SSP), which has mapped ∼1000 square degrees of the sky, discovered over 1000 definite or probable gal...

E. Paic, Kenneth C. Wong, A. More et al. · 0 citations

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