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Joint inference for gravitational-wave signal and noise glitch: Method and application
Shun Yin Cheung, Rhiannon Udall, Derek Davis +2
Non-Gaussian noise transients ("glitches") in gravitational-wave observatories degrade our ability to accurately perform astrophysical inference. We present the analysis pipeline b…
Sub-threshold post-merger gravitational waves can constrain the hot nuclear equation of state
Fiona H. Panther, Paul D. Lasky
We show how to coherently combine information from a population of sub-threshold, gravitational-wave binary neutron star post-merger remnants. Although no individual event in our s…
GW231123: extreme spins or microglitches?
Anarya Ray, Sharan Banagiri, Eric Thrane +1
The recently reported binary black hole merger, GW231123, has unusual properties that make it hard to explain astrophysically. Parameter estimation studies are consistent with maxi…
A search for extra polarisations using a Gaussian process in Gravitational-Wave Transient Catalogue 3
Shun Yin Cheung, Lachlan Passenger, Paul D. Lasky +1
General relativity predicts that gravitational waves are described by two polarisation states: the plus state and cross state. However, alternate theories of gravity a…
A Gaussian process framework for testing general relativity with gravitational waves
Lachlan Passenger, Shun Yin Cheung, Nir Guttman +3
Gravitational-wave astronomy provides a promising avenue for the discovery of new physics beyond general relativity as it probes extreme curvature and ultra-relativistic dynamics.…
Significant challenges for astrophysical inference with next-generation gravitational-wave observatories
A. Makai Baker, Paul D. Lasky, Eric Thrane +1
The next generation of gravitational-wave observatories will achieve unprecedented strain sensitivities with an expanded observing band. They will detect binary ne…