The Chirp-Mass Ladder: A New Rung Emerges

arXiv:2606.18081 · astro-ph.HE · Submitted 2026-06-16 · Read on arXiv

astro-ph.HE

Submitted: 2026-06-16

Updated: 2026-09-29

Terminology

• Accuracy — 2× in this paper · explained in 1 episode
• Alignment — 1× in this paper · explained in 1 episode
• Consistency — 1× in this paper · explained in 3 episodes
• Trace — 1× in this paper · explained in 2 episodes

Sources

• GWTC-4.0: Updating the Gravitational-Wave Transient Catalog with Observations from the First Part of the Fourth LIGO-Virgo-KAGRA Observing Run
• Binary Black Hole Phase Space Discovers the Signature of Pair Instability Supernovae Mass Gap
• Gravitational-wave constraints on the pair-instability mass gap and nuclear burning in massive stars
• Evidence for Three Subpopulations of Merging Binary Black Holes at Different Primary Masses
• The steep redshift evolution of the hierarchical binary black hole merger rate may cause the $z$-$\chi_{\rm eff}$ correlation
• Compactness Peaks and Subpopulations: Probing Stellar Physics and Formation Channels of Merging Binary Black Holes
• Emergent structure in the binary black hole mass distribution and implications for population-based cosmology
• Second-Generation Mass Peak in the Gravitational-Wave Population as a Probe of Globular Clusters
• Cosmic Cousins: Identification of a Subpopulation of Binary Black Holes Consistent with Isolated Binary Evolution
• Trends in the Population of Binary Black Holes Following the Fourth Gravitational-Wave Transient Catalog: a Data-Driven Analysis
• Low-mass failed supernovae and the $10\,M_{\odot}$ peak in the merging black hole mass distribution
• Measurement prospects for the pair-instability mass cutoff with gravitational waves
• BBH-Genesis: Disentangling Binary Black Hole Formation Channels with GWTC-4
• Heavy Black-Holes Also Matter in Standard Siren Cosmology
• Signatures of a subpopulation of hierarchical mergers in the GWTC-4 gravitational-wave dataset
• On the Astrophysical Origin of Binary Black Hole Subpopulations: A Tale of Three Channels?
• Mind the peak: improving cosmological constraints from GWTC-4.0 spectral sirens using semiparametric mass models
• 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-5.0: Population Properties of Merging Compact Binaries
• Population of Binary Black Holes Inferred from One Hundred and Fifty Gravitational Wave Signals

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