The ANTARES Astronomical Time-Domain Event Broker

Abstract

We describe the Arizona-NOIRLab Temporal Analysis and Response to Events System (ANTARES), a software instrument designed to process large-scale streams of astronomical time-domain alerts. With the advent of large-format CCDs on wide-field imaging telescopes, time-domain surveys now routinely discover tens of thousands of new events each night, more than can be evaluated by astronomers alone. The ANTARES event broker will process alerts, annotating them with catalog associations and filtering them to distinguish customizable subsets of events. We describe the data model of the system, the overall architecture, annotation, implementation of filters, system outputs, provenance tracking, system performance, and the user interface.

24 Pages, 8 figures, Accepted by AJ

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• Supernova Siblings and their Parent Galaxies in the Zwicky Transient Facility Bright Transient Surve
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• Deep Drilling in the Time Domain with DECam: Survey Characterization
• Optical Rebrightening of Extragalactic Transients from the Zwicky Transient Facility
• The Solar System Notification Alert Processing System (SNAPS): Design, Architecture, and First Data Release (SNAPShot1)
• Machine Learning based search for Cataclysmic Variables within Gaia Science Alerts
• The Evryscope Fast Transient Engine: Real-Time Detection for Rapidly Evolving Transients
• El-CID: A filter for Gravitational-wave Electromagnetic Counterpart Identification