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A Data Science Platform to Enable Time-domain Astronomy
Stockholm University, Faculty of Science, Department of Astronomy. Stockholm University, Faculty of Science, The Oskar Klein Centre for Cosmo Particle Physics (OKC).ORCID iD: 0000-0003-1546-6615
Number of Authors: 532023 (English)In: Astrophysical Journal Supplement Series, ISSN 0067-0049, E-ISSN 1538-4365, Vol. 267, no 2, article id 31Article in journal (Refereed) Published
Abstract [en]

SkyPortal is an open-source software package designed to discover interesting transients efficiently, manage follow-up, perform characterization, and visualize the results. By enabling fast access to archival and catalog data, crossmatching heterogeneous data streams, and the triggering and monitoring of on-demand observations for further characterization, a SkyPortal-based platform has been operating at scale for >2 yr for the Zwicky Transient Facility Phase II community, with hundreds of users, containing tens of millions of time-domain sources, interacting with dozens of telescopes, and enabling community reporting. While SkyPortal emphasizes rich user experiences across common front-end workflows, recognizing that scientific inquiry is increasingly performed programmatically, SkyPortal also surfaces an extensive and well-documented application programming interface system. From back-end and front-end software to data science analysis tools and visualization frameworks, the SkyPortal design emphasizes the reuse and leveraging of best-in-class approaches, with a strong extensibility ethos. For instance, SkyPortal now leverages ChatGPT large language models to generate and surface source-level human-readable summaries automatically. With the imminent restart of the next generation of gravitational-wave detectors, SkyPortal now also includes dedicated multimessenger features addressing the requirements of rapid multimessenger follow-up: multitelescope management, team/group organizing interfaces, and crossmatching of multimessenger data streams with time-domain optical surveys, with interfaces sufficiently intuitive for newcomers to the field. This paper focuses on the detailed implementations, capabilities, and early science results that establish SkyPortal as a community software package ready to take on the data science challenges and opportunities presented by this next chapter in the multimessenger era.

Place, publisher, year, edition, pages
2023. Vol. 267, no 2, article id 31
Keywords [en]
Open source software, Astronomy software, Time domain astronomy
National Category
Astronomy, Astrophysics and Cosmology Computer Sciences
Identifiers
URN: urn:nbn:se:su:diva-223401DOI: 10.3847/1538-4365/acdee1ISI: 001041591800001Scopus ID: 2-s2.0-85169024658OAI: oai:DiVA.org:su-223401DiVA, id: diva2:1809258
Available from: 2023-11-02 Created: 2023-11-02 Last updated: 2023-11-02Bibliographically approved

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Sollerman, Jesper

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