Search Results for author: V. Ashley Villar

Found 5 papers, 1 papers with code

A Deep Learning Approach for Active Anomaly Detection of Extragalactic Transients

1 code implementation22 Mar 2021 V. Ashley Villar, Miles Cranmer, Edo Berger, Gabriella Contardo, Shirley Ho, Griffin Hosseinzadeh, Joshua Yao-Yu Lin

There is a shortage of multi-wavelength and spectroscopic followup capabilities given the number of transient and variable astrophysical events discovered through wide-field, optical surveys such as the upcoming Vera C. Rubin Observatory.

Anomaly Detection

Detection and Parameter Estimation of Gravitational Waves from Binary Neutron-Star Mergers in Real LIGO Data using Deep Learning

no code implementations24 Dec 2020 Plamen G. Krastev, Kiranjyot Gill, V. Ashley Villar, Edo Berger

One of the key challenges of real-time detection and parameter estimation of gravitational waves from compact binary mergers is the computational cost of conventional matched-filtering and Bayesian inference approaches.

Bayesian Inference Instrumentation and Methods for Astrophysics General Relativity and Quantum Cosmology Nuclear Theory

FLEET: A Redshift-Agnostic Machine Learning Pipeline to Rapidly Identify Hydrogen-Poor Superluminous Supernovae

no code implementations3 Sep 2020 Sebastian Gomez, Edo Berger, Peter K. Blanchard, Griffin Hosseinzadeh, Matt Nicholl, V. Ashley Villar, Yao Yin

This classifier can achieve a maximum purity of about 85\% (with 20\% completeness) when observing a selection of SLSN-I candidates.

High Energy Astrophysical Phenomena

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