Using simulated binary black hole mergers and neutral hydrogen maps, the radio sirens method constrains H0 to 8% precision with 3000 high-SNR events, offering a 90% improvement over standard dark siren analyses.
Planck Collaboration et al
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CNNs for reionisation time reconstruction from 21-cm maps are coherent for CDM and 5-7 keV WDM but show clear deviations for 2-3 keV WDM, indicating retained sensitivity to the training model.
SKAO radio surveys can link redshifts to GW luminosity distances, enabling constraints on H(z) and H0 via HI intensity maps and galaxy surveys.
citing papers explorer
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Radio sirens: inferring $H_0$ with binary black holes and neutral hydrogen in the era of the Einstein Telescope and the SKA Observatory
Using simulated binary black hole mergers and neutral hydrogen maps, the radio sirens method constrains H0 to 8% precision with 3000 high-SNR events, offering a 90% improvement over standard dark siren analyses.
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Reionisation time field reconstruction from 21-cm Maps: Investigating predictor coherence in WDM cosmology
CNNs for reionisation time reconstruction from 21-cm maps are coherent for CDM and 5-7 keV WDM but show clear deviations for 2-3 keV WDM, indicating retained sensitivity to the training model.
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Cosmology from Synergies Between SKAO Surveys and Gravitational Wave Observations
SKAO radio surveys can link redshifts to GW luminosity distances, enabling constraints on H(z) and H0 via HI intensity maps and galaxy surveys.