Estimation of the Hubble parameter from unedited compact object merger catalogues
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arXiv
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| Format: | Preprint |
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2025
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| _version_ | 1866917340082339840 |
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| author | Harada, Reiko Fong, Heather Cannon, Kipp |
| author_facet | Harada, Reiko Fong, Heather Cannon, Kipp |
| contents | In recent years, constraints on the Hubble parameter using multiple dark sirens have been made,relying on a galaxy catalogue, correlations between the mass and redshift distributions, or both. Those studies have typically used only significant gravitational wave candidates. In this work, we present a framework for cosmological inference that bypasses per-candidate parameter estimation, uses only detection-level information. This allows the population inference from a candidate list produced directly by a search pipeline, without additional selection cuts. Our method is particularly suited to extracting information from marginal candidates, which are essential for probing the distant universe. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2512_08164 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Estimation of the Hubble parameter from unedited compact object merger catalogues Harada, Reiko Fong, Heather Cannon, Kipp Cosmology and Nongalactic Astrophysics Instrumentation and Methods for Astrophysics General Relativity and Quantum Cosmology In recent years, constraints on the Hubble parameter using multiple dark sirens have been made,relying on a galaxy catalogue, correlations between the mass and redshift distributions, or both. Those studies have typically used only significant gravitational wave candidates. In this work, we present a framework for cosmological inference that bypasses per-candidate parameter estimation, uses only detection-level information. This allows the population inference from a candidate list produced directly by a search pipeline, without additional selection cuts. Our method is particularly suited to extracting information from marginal candidates, which are essential for probing the distant universe. |
| title | Estimation of the Hubble parameter from unedited compact object merger catalogues |
| topic | Cosmology and Nongalactic Astrophysics Instrumentation and Methods for Astrophysics General Relativity and Quantum Cosmology |
| url | https://arxiv.org/abs/2512.08164 |