activity
20072026
most citedThe Electromagnetic Counterpart of the Binary Neutron Star Merger LIGO/Virgo GW170817. I. Dark Energy Camera Discovery of the Optical Counterpart

584 citations · 1.5k across the 31 of their papers we have counts for

collaborators

32 papers

astro-ph.IM2026

Method to get Better Sky Maps in a GstLAL Low-Latency Analysis

Prathamesh Joshi, Becca Ewing, Chad Hanna +40

Modeled gravitational wave searches correlate the strain data with a bank of gravitational wave template waveforms to make detections of gravitational wave candidates, and these re…

hep-ex2026

Testing Heavy Dark Matter Decay as the Origin of KM3-230213A

KM3NeT Collaboration, O. Adriani, J. A. Aguilar +287

This work explores the hypothesis that the ultra-high-energy neutrino event KM3-230213A originates from the decay of a heavy dark matter particle with a mass above PeV scale. The a…

gr-qc2026

GstLAL O4 Online Results Paper

Shomik Adhicary, Pratyusava Baral, Amanda Baylor +39

Gravitational-wave observations of merging binary neutron stars and black holes are now routinely made by detectors in the Advanced LIGO-Virgo-KAGRA network. Neutron star binary sy…

gr-qc2026

Gauge Theoretic Signal Processing II: Zero-Latency Whitening for Early Warning Pipelines

James Kennington, Joshua Black, Zach Yarbrough +9

Low-latency gravitational-wave search pipelines provide early-warning alerts for multimessenger astrophysical transients. Current pipelines whiten the data stream using acausal, li…

astro-ph.HE2023★ 30 cited

Low-latency gravitational wave alert products and their performance at the time of the fourth LIGO-Virgo-KAGRA observing run

Sushant Sharma Chaudhary, Andrew Toivonen, Gaurav Waratkar +50

Multi-messenger searches for BNS and NSBH mergers are currently one of the most exciting areas of astronomy. The search for joint electromagnetic and neutrino counterparts to GWs h…

gr-qc2023

Background Filter: A method for removing signal contamination during significance estimation of a GstLAL anaysis

Prathamesh Joshi, Leo Tsukada, Chad Hanna

To evaluate the probability of a gravitational-wave candidate originating from noise, GstLAL collects noise statistics from the data it analyzes. Gravitational-wave signals of astr…

astro-ph.IM2023★ 53 cited

Improved ranking statistics of the GstLAL inspiral search for compact binary coalescences

Leo Tsukada, Prathamesh Joshi, Shomik Adhicary +37

Starting from May 2023, the LIGO Scientific, Virgo and KAGRA Collaboration is planning to conduct the fourth observing run with improved detector sensitivities and an expanded dete…

gr-qc2023★ 3 cited

Performance of the low-latency GstLAL inspiral search towards LIGO, Virgo, and KAGRA's fourth observing run

Becca Ewing, Rachael Huxford, Divya Singh +40

GstLAL is a stream-based matched-filtering search pipeline aiming at the prompt discovery of gravitational waves from compact binary coalescences such as the mergers of black holes…

gr-qc2022

A binary tree approach to template placement for searches for gravitational waves from compact binary mergers

Chad Hanna, James Kennington, Shio Sakon +30

We demonstrate a new geometric method for fast template placement for searches for gravitational waves from the inspiral, merger and ringdown of compact binaries. The method is bas…

astro-ph.HE2021★ 64 cited

First demonstration of early warning gravitational wave alerts

Ryan Magee, Deep Chatterjee, Leo P. Singer +33

Gravitational-wave observations became commonplace in Advanced LIGO-Virgo's recently concluded third observing run. 56 non-retracted candidates were identified and publicly announc…

astro-ph.IM2020

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…

gr-qc2020★ 12 cited

Incorporation of Statistical Data Quality Information into the GstLAL Search Analysis

Patrick Godwin, Reed Essick, Chad Hanna +20

We present updates to GstLAL, a matched filter gravitational-wave search pipeline, in Advanced LIGO and Virgo's third observing run. We discuss the incorporation of statistical dat…

astro-ph.IM2020

GstLAL: A software framework for gravitational wave discovery

Kipp Cannon, Sarah Caudill, Chiwai Chan +28

The GstLAL library, derived from Gstreamer and the LIGO Algorithm Library, supports a stream-based approach to gravitational-wave data processing. Although GstLAL was primarily des…

astro-ph.HE2020★ 79 cited

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…

astro-ph.IM2020★ 1 cited

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…

astro-ph.IM2020★ 2 cited

iDQ: Statistical Inference of Non-Gaussian Noise with Auxiliary Degrees of Freedom in Gravitational-Wave Detectors

Reed Essick, Patrick Godwin, Chad Hanna +2

Gravitational-wave detectors are exquisitely sensitive instruments and routinely enable ground-breaking observations of novel astronomical phenomena. However, they also witness non…

astro-ph.HE2019★ 166 cited

Multi-Messenger Astrophysics

Péter Mészáros, Derek B. Fox, Chad Hanna +1

Multi-messenger astrophysics, a long-anticipated extension to traditional and multiwavelength astronomy, has recently emerged as a distinct discipline providing unique and valuable…

astro-ph.HE2019★ 3 cited

Multi-Messenger Astronomy with Extremely Large Telescopes

Ryan Chornock, Philip S. Cowperthwaite, Raffaella Margutti +82

The field of time-domain astrophysics has entered the era of Multi-messenger Astronomy (MMA). One key science goal for the next decade (and beyond) will be to characterize gravitat…

astro-ph.IM2019★ 2 cited

Cyberinfrastructure Requirements to Enhance Multi-messenger Astrophysics

Philip Chang, Gabrielle Allen, Warren Anderson +39

The identification of the electromagnetic counterpart of the gravitational wave event, GW170817, and discovery of neutrinos and gamma-rays from TXS 0506+056 heralded the new era of…

gr-qc2019★ 29 cited

Sub-threshold binary neutron star search in Advanced LIGO's first observing run

Ryan Magee, Heather Fong, Sarah Caudill +12

We present a search for gravitational waves from double neutron star binaries inspirals in Advanced LIGO's first observing run. The search considers a narrow range of binary chirp…

gr-qc2019★ 41 cited

The GstLAL Search Analysis Methods for Compact Binary Mergers in Advanced LIGO's Second and Advanced Virgo's First Observing Runs

Surabhi Sachdev, Sarah Caudill, Heather Fong +26

After their successful first observing run (September 12, 2015 - January 12, 2016), the Advanced LIGO detectors were upgraded to increase their sensitivity for the second observing…

gr-qc2019★ 107 cited

Fast evaluation of multi-detector consistency for real-time gravitational wave searches

Chad Hanna, Sarah Caudill, Cody Messick +17

Gravitational waves searches for compact binary mergers with LIGO and Virgo are presently a two stage process. First, a gravitational wave signal is identified. Then, an exhaustive…

astro-ph.IM2018★ 34 cited

Methods for the detection of gravitational waves from sub-solar mass ultracompact binaries

Ryan Magee, Anne-Sylvie Deutsch, Phoebe McClincy +6

We describe detection methods for extensions of gravitational wave searches to sub-solar mass compact binaries. Sub-solar mass searches were previously carried out using Initial LI…

astro-ph.IM2018★ 7 cited

Multi-Messenger Astrophysics: Harnessing the Data Revolution

Gabrielle Allen, Warren Anderson, Erik Blaufuss +27

The past year has witnessed discovery of the first identified counterparts to a gravitational wave transient (GW 170817A) and a very high-energy neutrino (IceCube-170922A). These s…