Publications (27)
Point absorbers in Advanced LIGO
Aidan F. Brooks, Gabriele Vajente, Hiro Yamamoto +198
Small, highly absorbing points are randomly present on the surfaces of the main interferometer optics in Advanced LIGO. The resulting nano-meter scale thermo-elastic deformations a…
PyCBC Live: Rapid Detection of Gravitational Waves from Compact Binary Mergers
Alexander H. Nitz, Tito Dal Canton, Derek Davis +1
We introduce an efficient and straightforward technique for rapidly detecting gravitational waves from compact binary mergers. We show that this method achieves the low latencies r…
Identifying glitches near gravitational-wave signals from compact binary coalescences using the Q-transform
Leah Vazsonyi, Derek Davis
We present a computational method to identify glitches in gravitational-wave data that occur nearby gravitational-wave signals from compact binary coalescences. The Q-transform, an…
pygwb: Python-based library for gravitational-wave background searches
Arianna I. Renzini, Alba Romero-Rodrguez, Colm Talbot +31
The collection of gravitational waves (GWs) that are either too weak or too numerous to be individually resolved is commonly referred to as the gravitational-wave background (GWB).…
Impact of noise transients on low latency gravitational-wave event localisation
Ronaldas Macas, Joshua Pooley, Laura K. Nuttall +6
Gravitational-wave (GW) data contains non-Gaussian noise transients called "glitches". During the third LIGO-Virgo observing run about 24% of all gravitational-wave candidates were…
The anti-aligned spin of GW191109: glitch mitigation and its implications
Rhiannon Udall, Sophie Hourihane, Simona Miller +4
With a high total mass and an inferred effective spin anti-aligned with the orbital axis at the 99.9% level, GW191109 is one of the most promising candidates for a dynamical format…
An Optically Targeted Search for Gravitational Waves emitted by Core-Collapse Supernovae during the Third Observing Run of Advanced LIGO and Advanced Virgo
Marek J. SzczepaÅczyk, Yanyan Zheng, Javier M. Antelis +35
We present the results from a search for gravitational-wave transients associated with core-collapse supernovae observed optically within 30 Mpc during the third observing run of A…
Mitigating the effects of instrumental artifacts on source localizations
Maggie C. Huber, Derek Davis
Instrumental artifacts in gravitational-wave strain data can overlap with gravitational-wave detections and significantly impair the accuracy of the measured source localizations.…
The curious case of GW200129: interplay between spin-precession inference and data-quality issues
Ethan Payne, Sophie Hourihane, Jacob Golomb +3
Measurement of spin-precession in black hole binary mergers observed with gravitational waves is an exciting milestone as it relates to both general relativistic dynamics and astro…
Gravity Spy: Lessons Learned and a Path Forward
Michael Zevin, Corey B. Jackson, Zoheyr Doctor +23
The Gravity Spy project aims to uncover the origins of glitches, transient bursts of noise that hamper analysis of gravitational-wave data. By using both the work of citizen-scienc…
Bayesian modelling of scattered light in the LIGO interferometers
Rhiannon Udall, Derek Davis
Excess noise from scattered light poses a persistent challenge in the analysis of data from gravitational wave detectors such as LIGO. We integrate a physically motivated model for…
Accurate modeling and mitigation of overlapping signals and glitches in gravitational-wave data
Sophie Hourihane, Katerina Chatziioannou, Marcella Wijngaarden +3
The increasing sensitivity of gravitational-wave detectors has brought about an increase in the rate of astrophysical signal detections as well as the rate of "glitches"; transient…
Blip glitches in Advanced LIGO data
Miriam Cabero, Andrew Lundgren, Alex H. Nitz +8
Blip glitches are short noise transients present in data from ground-based gravitational-wave observatories. These glitches resemble the gravitational-wave signature of massive bin…
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…
Coalescing Compact Binary Parameter Estimation with Gravitational Waves in the Presence of non-Gaussian Transient Noise
Yannick Lecoeuche, Jess McIver, Alan M. Knee +7
Data from gravitational-wave (GW) detectors often contains a high rate of non-Gaussian transient noise, known as glitches. The parameters estimated from GW signals coinciding with…
General-relativistic precession in a black-hole binary
Mark Hannam, Charlie Hoy, Jonathan E. Thompson +24
The general-relativistic phenomenon of spin-induced orbital precession has not yet been observed in strong-field gravity. Gravitational-wave observations of binary black holes (BBH…
Low-latency Forecasts of Kilonova Light Curves for Rubin and ZTF
Natalya Plestkova, Niharika Sravan, R. Weizmann Kiendrebeogo +11
Follow-up of gravitational-wave events by wide-field surveys is a crucial tool for the discovery of electromagnetic counterparts to gravitational wave sources, such as kilonovae. M…
Inferring the spins of merging black holes in the presence of data-quality issues
Rhiannon Udall, Sophie Bini, Katerina Chatziioannou +5
Gravitational waves from black hole binary mergers carry information about the component spins, but inference is sensitive to analysis assumptions, which may be broken by terrestri…
Incorporating information from LIGO data quality streams into the PyCBC search for gravitational waves
Derek Davis, Max Trevor, Simone Mozzon +1
We present a new method which accounts for changes in the properties of gravitational-wave detector noise over time in the PyCBC search for gravitational waves from compact binary…
Rapid data quality investigations of gravitational-wave events with the Data Quality Report Builder toolkit
Derek Davis, Zach Yarbrough, Joseph Areeda +30
We present the Data Quality Report Builder toolkit, DQRbuild, a suite of data quality tools that have been developed to vet gravitational-wave events in preparation for the fourth…
Science-Driven Tunable Design of Cosmic Explorer Detectors
Varun Srivastava, Derek Davis, Kevin Kuns +6
Ground-based gravitational-wave detectors like Cosmic Explorer can be tuned to improve their sensitivity at high or low frequencies by tuning the response of the signal extraction…
Utilizing aLIGO Glitch Classifications to Validate Gravitational-Wave Candidates
Derek Davis, Laurel V. White, Peter R. Saulson
Advanced LIGO data contains numerous noise transients, or "glitches", that have been shown to reduce the sensitivity of matched filter searches for gravitational waves from compact…
OmegaNeuron: Applying GravitySpy Similarity Methods to the Search for LIGO Glitch Witnesses
Bri Aleman, Derek Davis
Gravitational-wave (GW) astronomy has advanced our understanding of compact mergers through instruments like the Laser Interferometer Gravitational-Wave Observatory (LIGO). However…
Phase consistency test to identify type II strongly lensed gravitational wave signals using a single event
Kelsie Taylor, Derek Davis, Rico K. L. Lo
For gravitationally lensed type II signals, the phase of the dominant (2, 2) mode and the higher order (3, 3) mode is offset by , or roughly -0.26 radians. Using this, we d…
A new method to distinguish gravitational-wave signals from detector noise transients with Gravity Spy
Seraphim Jarov, Sarah Thiele, Siddharth Soni +5
The Advanced LIGO and Advanced Virgo detectors have enabled the confident detection of dozens of mergers of black holes and neutron stars. However, the presence of detector noise t…
Guiding interferometer improvements with the frequency-dependent inspiral range
Derek Davis, Elenna Capote
The inspiral range is the most common metric for characterizing the performance of ground-based gravitational-wave interferometers. However, there is no clear formalism for working…
Technical Noise, Data Quality, and Calibration Requirements for Next-Generation Gravitational-Wave Science
Elenna Capote, Louis Dartez, Derek Davis
The next generation of ground-based gravitational-wave interferometers is expected to generate a bounty of new astrophysical discoveries, with sensitivities and bandwidths greatly…