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ZENODO
Software . 2026
License: CC BY
Data sources: ZENODO
ZENODO
Software . 2026
License: CC BY
Data sources: Datacite
ZENODO
Software . 2026
License: CC BY
Data sources: Datacite
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Code and data for: Lower Your Rates: On Claims of a Binary Black Hole Merger-Rate Crisis

Authors: Broekgaarden, Floor;

Code and data for: Lower Your Rates: On Claims of a Binary Black Hole Merger-Rate Crisis

Abstract

This repository contains the data, plotting code, and figures used to produceall results and figures in Broekgaarden (2026), "Lower Your Rates: On Claimsof a Binary Black Hole Merger-Rate Crisis." The paper compiles and updates local merger-rate predictions (z ≈ 0,in Gpc⁻³ yr⁻¹) for binary black holes (BH-BH), neutron star–black holes(NS-BH), and binary neutron stars (NS-NS) from 72 isolated binary-evolutionstudies published between 2010 and 2026, comprising 4194 individual submodelrealizations. These are compared to observational constraints from theLIGO–Virgo–KAGRA Collaboration (GWTC-2 through GWTC-5). The compilation isused to assess recent claims of a universal tension between isolated binaryevolution and the observed local BBH merger rate. The repository is organized into three directories: data/ — CSV rate catalogs for nine formation channels (isolated binaryevolution, chemically homogeneous evolution, globular clusters, nuclearclusters, young stellar clusters, triples, flybys, Population III stars,and primordial black holes), plus observational constraints fromgravitational-wave detections, kilonovae, Galactic pulsars, and short GRBs.The main catalog (isolated-binary-evolution.csv) contains ~4500 rows, one perstudy/submodel prediction, with columns for compact object type, code,merger-rate density, and physics-assumption parameters (alpha_CE, sigma_kick,beta_MT, lambda_CE, remnant mass prescription, stellar tracks, etc.). Acompanion relationships table (isolated-binary-evolution_relationships.csv)encodes pairwise single-parameter-variation connections between submodels anddrives the interactive merger-rate table. Raw per-study extracted data andingestion scripts are in data/individual_extracted_data/. plotting_code/ — Python scripts and a Jupyter notebook(Make_figures_COC_rates.ipynb) that reproduce all paper figures and theinteractive merger-rate table from the CSV catalogs. Key modules includeplot_rates.py (matplotlib rate and CDF/violin plots), make_interactive_figures.py(Plotly interactive rate plots), and merger_rate_table.py (interactive HTMLtable with filtering by DCO type, parameter family, and rate limit). figures/ — Generated PDF/PNG figures and standalone interactive HTML outputs,including the interactive merger-rate table (merger_rate_table.html). The supplementary material documenting rate extractions for each study isprovided as lower-your-rates-supplementary_material.pdf. The interactive online version of the compiled rate table is available athttps://floorbroekgaarden.github.io/lower-your-rates/ For questions or suggestions for additional literature, please contact:fbroekgaarden@ucsd.edu

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Keywords

gravitational waves, stellar evolution, population synthesis, merger rates

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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