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Accelerated parameter estimation in Bilby with relative binning
Kruthi Krishna, Aditya Vijaykumar, Apratim Ganguly +5
We describe an implementation of the relative binning technique to speed up parameter estimation of gravitational-wave signals. We first give a pedagogical overview of relative bin…
Rapid localization and inference on compact binary coalescences with the Advanced LIGO-Virgo-KAGRA gravitational-wave detector network
Soichiro Morisaki, Rory Smith, Leo Tsukada +4
We present a rapid parameter estimation framework for compact binary coalescence (CBC) signals observed by the LIGO-Virgo-KAGRA (LVK) detector network. The goal of our framework is…
Mitigating the counterpart selection effect for standard sirens
Hsin-Yu Chen, Colm Talbot, Eve A. Chase
The disagreement in the Hubble constant measured by different cosmological probes highlights the need for a better understanding of the observations or new physics. The standard si…
Too small to fail: characterizing sub-solar mass black hole mergers with gravitational waves
Noah E. Wolfe, Salvatore Vitale, Colm Talbot
The detection of a sub-solar mass black hole could yield dramatic new insights into the nature of dark matter and early-Universe physics, as such objects lack a traditional astroph…
Growing Pains: Understanding the Impact of Likelihood Uncertainty on Hierarchical Bayesian Inference for Gravitational-Wave Astronomy
Colm Talbot, Jacob Golomb
Observations of gravitational waves emitted by merging compact binaries have provided tantalising hints about stellar astrophysics, cosmology, and fundamental physics. However, the…
Inferring the Astrophysical Population of Gravitational Wave Sources in the Presence of Noise Transients
Jack Heinzel, Colm Talbot, Gregory Ashton +1
The global network of interferometric gravitational wave (GW) observatories (LIGO, Virgo, KAGRA) has detected and characterized nearly 100 mergers of binary compact objects. Howeve…