A weakly modelled view of the joint compact-binary mass plane: population structure and spectral-siren cosmology

arXiv:2610.10535 · gr-qc, astro-ph.CO, astro-ph.HE · Submitted 2026-10-07 · Read on arXiv

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

Submitted: 2026-10-07

Updated: 2026-10-07

Code: https://github.com/Mik3M4n/posteriorlandscape

Terminology

• Robustness — 17× in this paper · explained in 5 episodes
• Regularization — 16× in this paper · explained in 3 episodes
• Calibration — 12× in this paper · explained in 7 episodes
• Trace — 3× in this paper · explained in 2 episodes
• Degeneracy — 2× in this paper · explained in 3 episodes
• Academia Sinica — 1× in this paper
• Alignment — 1× in this paper · explained in 1 episode
• Bayesian Framework — 1× in this paper · explained in 3 episodes
• Consistency — 1× in this paper · explained in 3 episodes
• Society of Physicists Interested in Non-Aligned Spins — 1× in this paper

Sources

• Advanced LIGO
• Advanced Virgo: a 2nd generation interferometric gravitational wave detector
• Overview of KAGRA: Detector design and construction history
• GWTC-4.0: An Introduction to Version 4.0 of the Gravitational-Wave Transient Catalog
• 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: Observations from the Second Part of the Fourth LIGO-Virgo-KAGRA Observing Run and Updates to the Gravitational-Wave Transient Catalog
• GWTC-4.0: Population Properties of Merging Compact Binaries
• GWTC-5.0: Population Properties of Merging Compact Binaries
• Dirichlet Process Gaussian-mixture model: An application to localizing coalescing binary neutron stars with gravitational-wave observations
• VAMANA: Modeling Binary Black Hole Population with Minimal Assumptions
• Ain't No Mountain High Enough: Semi-Parametric Modeling of LIGO-Virgos Binary Black Hole Mass Distribution
• (H)DPGMM: A Hierarchy of Dirichlet Process Gaussian Mixture Models for the inference of the black hole mass function
• Cover Your Basis: Comprehensive Data-Driven Characterization of the Binary Black Hole Population
• A Parameter-Free Tour of the Binary Black Hole Population
• Non-parametric inference of the population of compact binaries from gravitational wave observations using binned Gaussian processes
• No need to know: astrophysics-free gravitational-wave cosmology
• PixelPop: High Resolution Nonparameteric Inference of Gravitational-Wave Populations in Multiple Dimensions
• Nonparametric analysis of correlations in the binary black hole population with LIGO-Virgo-KAGRA data
• Nowhere left to hide: revealing realistic gravitational-wave populations in high dimensions and high resolution with PixelPop
• Where did Heavy Binaries Go? Gravitational-wave Populations Using Delaunay Triangulation with Optimized Complexity

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