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Cosmic Explorer: A Submission to the NSF MPSAC ngGW Subcommittee
Matthew Evans, Alessandra Corsi, Chaitanya Afle +73
Gravitational-wave astronomy has revolutionized humanity's view of the universe, a revolution driven by observations that no other field can make. This white paper describes an obs…
General-relativistic radiation transport scheme in I: Implementation of two-moment based multi-frequency radiative transfer and code tests
Patrick Chi-Kit Cheong, Harry Ho-Yin Ng, Alan Tsz-Lok Lam +1
We present the implementation of two-moment based general-relativistic multi-group radiation transport module in the eneral-relativistic ltigrid $\texttt{n…
Testing the robustness of simulation-based gravitational-wave population inference
Damon H. T. Cheung, Kaze W. K. Wong, Otto A. Hannuksela +2
Gravitational-wave population studies have become more important in gravitational-wave astronomy because of the rapid growth of the observed catalog. In recent studies, emulators b…
An extension of Gmunu: General-relativistic resistive magnetohydrodynamics based on staggered-meshed constrained transport with elliptic cleaning
Patrick Chi-Kit Cheong, David Yat Tung Pong, Anson Ka Long Yip +1
We present the implementation of general-relativistic resistive magnetohydrodynamics solvers and three divergence-free handling approaches adopted in the General-relativistic multi…
Gmunu: Paralleled, grid-adaptive, general-relativistic magnetohydrodynamics in curvilinear geometries in dynamical spacetimes
Patrick Chi-Kit Cheong, Alan Tsz-Lok Lam, Harry Ho-Yin Ng +1
We present an update of the General-relativistic multigrid numerical (Gmunu) code, a parallelized, multi-dimensional curvilinear, general relativistic magnetohydrodynamics code wit…
Ranking Candidate Signals with Machine Learning in Low-Latency Search for Gravitational-Waves from Compact Binary Mergers
Kyungmin Kim, Tjonnie G. F. Li, Rico K. L. Lo +2
In the multi-messenger astronomy era, accurate sky localization and low latency time of gravitational-wave (GW) searches are keys in triggering successful follow-up observations on…
Template bank for spinning compact binary mergers in the second observation run of Advanced LIGO and the first observation run of Advanced Virgo
Debnandini Mukherjee, Sarah Caudill, Ryan Magee +25
We describe the methods used to construct the aligned-spin template bank of gravitational waveforms used by the GstLAL-based inspiral pipeline to analyze data from the second obser…
Classifying Lensed Gravitational Waves in the Geometrical Optics Limit with Machine Learning
Amit Jit Singh, Ivan S. C. Li, Otto A. Hannuksela +2
Gravitational waves are theorized to be gravitationally lensed when they propagate near massive objects. Such lensing effects cause potentially detectable repeated gravitational wa…
Analysis Framework for the Prompt Discovery of Compact Binary Mergers in Gravitational-wave Data
Cody Messick, Kent Blackburn, Patrick Brady +24
We describe a stream-based analysis pipeline to detect gravitational waves from the merger of binary neutron stars, binary black holes, and neutron-star-black-hole binaries within…