Search Results for author: Sara Webb

Found 3 papers, 1 papers with code

Real-time Detection of Anomalies in Multivariate Time Series of Astronomical Data

no code implementations15 Dec 2021 Daniel Muthukrishna, Kaisey S. Mandel, Michelle Lochner, Sara Webb, Gautham Narayan

Astronomical transients are stellar objects that become temporarily brighter on various timescales and have led to some of the most significant discoveries in cosmology and astronomy.

Anomaly Detection Astronomy +3

Real-Time Detection of Anomalies in Large-Scale Transient Surveys

no code implementations29 Oct 2021 Daniel Muthukrishna, Kaisey S. Mandel, Michelle Lochner, Sara Webb, Gautham Narayan

We demonstrate our methods' ability to provide anomaly scores as a function of time on light curves from the Zwicky Transient Facility.

Anomaly Detection Attribute

Unsupervised machine learning for transient discovery in Deeper, Wider, Faster light curves

1 code implementation11 Aug 2020 Sara Webb, Michelle Lochner, Daniel Muthukrishna, Jeff Cooke, Chris Flynn, Ashish Mahabal, Simon Goode, Igor Andreoni, Tyler Pritchard, Timothy M. C. Abbott

We present an unsupervised method for transient discovery using a clustering technique and the Astronomaly package.

Instrumentation and Methods for Astrophysics

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