The road towards precision measurements of H 0 with bright sirens in the Einstein Telescope era

arXiv:2607.20413 · astro-ph.CO · Submitted 2026-07-22 · Read on arXiv

Chiara De Leo, Elsa M. Teixeira, Vivian Poulin

astro-ph.CO

Submitted: 2026-07-22

Comments: 11 pages, 5 figures. Prepared for submission to the Open Journal of Astrophysics

Code: https://github.com/chiaradeleo1/CANDI

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Degeneracy — 16× in this paper · explained in 3 episodes
• Hubble Tension — 8× in this paper · explained in 9 episodes
• Einstein Telescope — 7× in this paper
• Calibration — 5× in this paper · explained in 7 episodes
• Bayesian Framework — 1× in this paper · explained in 3 episodes
• Cooperation — 1× in this paper · explained in 2 episodes
• Core — 1× in this paper · explained in 2 episodes
• European Research Council — 1× in this paper

Sources

• GWTC-4.0: Updating the Gravitational-Wave Transient Catalog with Observations from the First Part of the Fourth LIGO-Virgo-KAGRA Observing Run
• GWTC-5.0: An Introduction to Version 5.0 of the Gravitational-Wave Transient Catalog
• Distinguishing Distance Duality breaking models using electromagnetic and gravitational waves measurements
• Current and future constraints on the expansion history of the GREA model
• Gravitational Wave Cosmology
• Gravitational wave cosmology : an introduction
• Bayesian Methods in Cosmology

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