Alertissimo -- a tool for orchestration of LSST broker streams
V.Vujcic, V.A. Sreckovic, S. Babarogic

TL;DR
Alertissimo is a prototype tool and language designed to orchestrate and customize alert streams from LSST brokers, enabling complex use cases and workflows in astronomical alert management.
Contribution
The paper introduces Alertissimo, a novel tool and domain-specific language for orchestrating LSST alert streams and combining broker functionalities.
Findings
Prototype implementation of Alertissimo demonstrated feasibility.
Domain-specific language enables flexible workflow definitions.
Initial use cases show improved alert stream management.
Abstract
The Vera C. Rubin Observatory, through its Legacy Survey of Space and Time, will soon start producing 10 million alerts on transient astronomical objects per night. Due to logistics and bandwidth, alerts will not be dispatched directly to the public but to 'brokers' i.e. tools selected by LSST to handle alert streams. Brokers offer both common, specific and micro-specific functionalities related to alert handling, analysis, representation and dissemination. In this ecosystem, potentially augmented by data streams from other astronomical sources, there is a - need demonstrated by the community - for use cases which combine features of individual brokers. In this paper we present initial efforts and a prototype of such a tool, along with a language that would allow users to define use cases / workflows in a manner tailored for the domain.
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Taxonomy
TopicsAstronomy and Astrophysical Research · Astronomical Observations and Instrumentation · Distributed systems and fault tolerance
