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Automating the Inclusion of Subthreshold Signal-to-Noise Ratios for Rapid Gravitational-Wave Localization
Cody Messick, Surabhi Sachdev, Kipp Cannon +29
The accurate localization of gravitational-wave (GW) events in low-latency is a crucial element in the search for further multimessenger signals from these cataclysmic events. The…
Improved early warning of compact binary mergers using higher modes of gravitational radiation: A population study
Mukesh Kumar Singh, Shasvath J. Kapadia, Md Arif Shaikh +2
A gravitational-wave (GW) early-warning of a compact-binary coalescence event, with a sufficiently tight localisation skymap, would allow telescopes to point in the direction of th…
An early warning system for electromagnetic follow-up of gravitational-wave events
Surabhi Sachdev, Ryan Magee, Chad Hanna +28
Binary neutron stars (BNSs) will spend -- 15 minutes in the band of Advanced LIGO and Virgo detectors at design sensitivity. Matched-filtering of gravitational-wave (GW…
Improving the background estimation technique in the GstLAL inspiral pipeline with the time-reversed template bank
Chiwai Chan, Kipp Cannon, Sarah Caudill +20
Background estimation is important for determining the statistical significance of a gravitational-wave event. Currently, the background model is constructed numerically from the s…
Search for the stochastic gravitational-wave background induced by primordial curvature perturbations in LIGO's second observing run
Shasvath J. Kapadia, Kanhaiya Lal Pandey, Teruaki Suyama +2
Primordial density perturbations in the radiation-dominated era of the early Universe are expected to generate stochastic gravitational waves (GWs) due to nonlinear mode coupling.…
Of Harbingers and Higher Modes: Improved gravitational-wave early-warning of compact binary mergers
Shasvath J. Kapadia, Mukesh Kumar Singh, Md Arif Shaikh +2
A crucial component to maximizing the science gain from the multi-messenger follow-up of gravitational-wave (GW) signals from compact binary mergers is the prompt discovery of the…