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Distance measures in gravitational-wave astrophysics and cosmology

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arxiv 1709.08079 v3 pith:WGHPYPLP submitted 2017-09-23 astro-ph.CO

Hsin-Yu Chen , Daniel E. Holz , John Miller , Matthew Evans , Salvatore Vitale , Jolien Creighton This is my paper · ORCID
classification astro-ph.CO
keywords distancescosmologicaldetectorsgravitational-wavequantitiessensitivitydistancehttps
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We present quantities which characterize the sensitivity of gravitational-wave observatories to sources at cosmological distances. In particular, we introduce and generalize the horizon, range, response, and reach distances. These quantities incorporate a number of important effects, including cosmologically well-defined distances and volumes, cosmological redshift, cosmological time dilation, and rate density evolution. In addition, these quantities incorporate unique aspects of gravitational wave detectors, such as the variable sky sensitivity of the detectors and the scaling of the sensitivity with inverse distance. An online calculator (https://users.rcc.uchicago.edu/~dholz/gwc/) and python notebook (https://github.com/hsinyuc/distancetool) to determine GW distances are available. We provide answers to the question: "How far can gravitational-wave detectors hear?"

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Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. All-sky search for long-duration gravitational-wave transients in the first part of the fourth LIGO-Virgo-KAGRA Observing run

    gr-qc 2025-07 accept novelty 6.0 of 10

    No long-duration gravitational-wave transients were found in O4a data; 50% efficiency amplitude limits improved by about 30% over O3, and eccentric CBC rate limits improved by factors of 2-7.

  2. Time-frequency structure in the post-merger binary black hole gravitational wave signal

    gr-qc 2025-05 conditional novelty 6.0 of 10

    Post-merger signals from asymmetric black hole binaries develop extra time-frequency peaks for strong aligned spin and a broken sky symmetry for mild precessing spin, consistent with the horizon-geometry correlation idea.

  3. SGNL: Scalable Low-Latency Gravitational Wave Detection Pipeline for Compact Binary Mergers

    astro-ph.IM 2025-11 conditional novelty 5.0 of 10

    SGNL, a PyTorch/GPU reimplementation of the GstLAL gravitational-wave search, matches GstLAL sensitivity on a 40-day mock data challenge while reporting 42% lower median alert latency.

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