No Need to Know: Toward Astrophysics-free Gravitational-wave Cosmology

No Need to Know: Toward Astrophysics-free Gravitational-wave Cosmology

Gravitational waves (GWs) from merging compact objects encode direct information about the luminosity distance to the binary. When paired with a redshift measurement, this enables standard-siren cosmology: a Hubble diagram can be constructed to directly probe the Universe’s expansion. This can be do...

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Bibliographic Details
Main Authors: Amanda M. Farah, Thomas A. Callister, Jose María Ezquiaga, Michael Zevin, Daniel E. Holz
Format: Article
Language:English
Published: IOP Publishing 2025-01-01
Series:The Astrophysical Journal
Subjects:
Gravitational wave astronomy
Bayesian statistics
Hubble constant
Compact binary stars
Online Access:https://doi.org/10.3847/1538-4357/ad9253
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