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The archive project will improve the user experience with the NRAO archive for the raw (visibility or otherwise) and image data from the VLA, VLBA, ALMA, and other telescopes, while not accruing significant new technical debt and retiring technical debt where necessary to improve the user experience. Interdependencies between the Workspaces system and the archive will be addressed within this project, but significant changes to Workspaces are out of scope, though limited enhancements are possible.

The archive predates architectural analysis at the NRAO. Therefore, this project will also begin with a limited architectural review with the aim of capturing the architectural drivers, quality attributes, and overall architecture of the archive, in order to inform the rest of the project.

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  • Archive has the functional equivalency of the legacy AAT and the overall user experience is improved.
  • As a user, I can more easily identify data I'm interested in without having to download it first on the basis of the metadata display and interactivity (e.g., CARTA).
  • Scanlists are improved

Broad Themes/Epics

  • Product Versioning
  • Data Access:
    • ALMA Data (both visibility and image data)
    • Large Project Ingestion and Support
    • VLA/VLBA Image Archive
  • Usability Improvements
    • DA Data Editing Tools
    • Metadata availability
    • VO / Scriptable Interfaces
  • User Driven Imaging
    • VUDI

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Key Stakeholders ('Product Owner Village')

  • John Tobin (ALMA NRAO Archive subsystem scientist)
  • Amy Kimball (VLASS Ops)
  • Adele Plunkett (ALMA Archive)
  • Mark Lacy (VLASS, Workspaces)
  • Emmanuel Momijan (New Mexico Ops)
  • John Tobin (VLBA subsystem scientist)
  • John Hibbard (ngVLA archive scientist)
  • David Frayer (GBT)
  • John Tobin (VLA)
  • Stephan Witz (SSA Technologies/Tech Debt Avoidance)

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New Archive, Legacy Archive Issues

Merging the AAT/PPI and Workspaces Archive Improvement Projects