Gravitational-wave dark sirens as astrophysical probes: inferring galaxy-merger relations and identifying individual hosts

arXiv:2609.38110 · astro-ph.CO, gr-qc, hep-ph · Submitted 2026-09-29 · Read on arXiv

astro-ph.CO, gr-qc, hep-ph

Submitted: 2026-09-29

Updated: 2026-09-29

Code: https://github.com/CosmoStatGW/pymcpopgw

Terminology

• Robustness — 8× in this paper · explained in 5 episodes
• Hierarchical Framework — 3× in this paper · explained in 2 episodes
• Metallicity — 3× in this paper · explained in 3 episodes
• Benchmark — 2× in this paper · explained in 2 episodes
• Consistency — 2× in this paper · explained in 3 episodes
• Abundance — 1× in this paper · explained in 1 episode
• Academia Sinica — 1× in this paper
• Bayesian Inference — 1× in this paper · explained in 5 episodes
• Bayesian Information Criterion — 1× in this paper
• Clustering — 1× in this paper · explained in 2 episodes
• Effective Sample Size — 1× in this paper
• External Validation — 1× in this paper · explained in 2 episodes
• Gaussian Mixture Model — 1× in this paper
• Gaussian Mixture Model (GMM) — 1× in this paper · explained in 2 episodes
• Monte Carlo Standard Error — 1× in this paper
• Sparsity — 1× in this paper · explained in 4 episodes
• Trace — 1× in this paper · explained in 2 episodes

Sources

• Inference of the cosmological parameters from gravitational waves: application to second generation interferometers
• A 2 per cent Hubble constant measurement from standard sirens within 5 years
• Cosmological Inference using Gravitational Wave Standard Sirens: A Mock Data Challenge
• Cosmology with LIGO/Virgo dark sirens: Hubble parameter and modified gravitational wave propagation
• The Hitchhiker's guide to the galaxy catalog approach for gravitational wave cosmology
• A novel approach to infer population and cosmological properties with gravitational waves standard sirens and galaxy surveys
• Joint cosmological and gravitational-wave population inference using dark sirens and galaxy catalogues
• Cosmology and Astrophysics with Standard Sirens and Galaxy Catalogs in View of Future Gravitational Wave Observations
• GWTC-4.0: Constraints on the Cosmic Expansion Rate and Modified Gravitational-wave Propagation
• GWTC-5.0: Constraints on the Cosmic Expansion Rate and Modified Gravitational-wave Propagation
• An astrophysically motivated ranking criterion for low-latency electromagnetic follow-up of gravitational wave events
• The binary-host connection: astrophysics of gravitational wave binaries from their host galaxy properties
• Understanding the progenitor formation galaxies of merging binary black holes
• Gravitational-wave dark siren cosmology systematics from galaxy weighting
• Investigating the impact of galaxies' compact binary hosting probability for gravitational-wave cosmology
• Systematic bias in dark siren statistical methods and its impact on Hubble constant measurement
• Echoes from the dark: Galaxy catalog incompleteness in standard siren cosmology
• Identifying the Host Galaxy of Gravitational Wave Signals
• A Bayesian approach to multi-messenger astronomy: Identification of gravitational-wave host galaxies
• Supplement: Going the Distance: Mapping Host Galaxies of LIGO and Virgo Sources in Three Dimensions Using Local Cosmography and Targeted Follow-up

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