IVOA Data Model - Running Meetings

This page hosts the agenda and notes for the DM WG Running Meetings.

Next Meeting

Running Meeting #11 - 03 Feb. 2026 at 15:00 UTC

• Open Actions:
  • MCD/MS: contact interest groups regarding final notes
  • MCD: follow-up with document coordinator on Spectrum model erratum
  • PD/ML: complete ObsCore-1.1 in repository.. to taggable state.
  • PH: pushing VODML-1.1 candidates for DM consensus.
  • MS: setup poll for January meeting.
• Projects:
  • MANGO
    • At TCG meeting last week - only Semantics review outstanding
      • Sebastien wants to review feedback with Baptiste before submitting.
  • Radio and HE Notes:
    • summary update from HEIG meeting
    • what update to Radio note is needed? What is the timetable on that?
  • ObsCore-1.2
  • VODML-1.1
    • email from PH on candidates: DM list Jan. 23, 2026
    • caom2 - interest in extending 'real' with 'float' and 'double' concepts.. currently on side extension
    • mango - now represents (JD, MJD, YEAR, ISO) as extensions of ivoa:datetime

Agenda topics proposals

Feel free to add here the topics you would like to see discussed during the meetings

• (your discussion topic here)
• Spectrum Model: recent topics
  • Spectrum.Char.SpatialAxis.Coverage.Location (20240705)
    • https://github.com/ivoa-std/SpectrumDM/issues/13
    • Is there an action here to look into making this OPTIONAL in the model?
    • Do we need to add something to identify Theoretical?
    • Do we want to recommend how they should identify the dataset as "GAIA DR4"?
  • VOCLASS keyword value in spec does not match example
    • https://github.com/ivoa-std/SpectrumDM/issues/12
  • DATE-OBS keyword
    • https://github.com/ivoa-std/SpectrumDM/issues/8
• IVOA Note for FITS serializations: http://mail.ivoa.net/pipermail/dm/2024-June/006476.html
  • discussion started as question about lightcurve data model, but was concluding with a proposal to develop an IVOA Note with ‘preferred’ serializations for various products in FITS format.
  • This project would require review/assessment of the ‘big players’ currently in practice and define a recommended serialization. This would probably include a dictionary for FITS keywords for metadata at the Dataset/ObsCore level.
  • There are many in the community that are very keen on this project and, I think, would be a valuable resource.

Previous Meetings

Running Meeting	agenda items	meeting notes
DM meeting: 16 Oct 2003	DataModel workflow, key concepts, Observation model	Twiki page
RM#5 15 Apr 2025, 14:00 UTC	ObsCore Extensions, Interop preparation	DM mail archive
RM#3 18 Feb 2025	ObsCore Extensions, Mango update, CAOM integration	DM mail archive
Virtual progress meeting:13 Apr 2021	ObsLocTap, vo-dml compliant PhotDM, MCT, Mango	Twiki page
DM meeting: 23 Jan 2003	Analysis workflow model concept discussion	Twiki page
RM#6 20 May 2025, 14:00 UTC	cancelled
RM#1 09 Oct 2024, 13:00 UTC	Interop Prep, CAOM, VO-DML 1.1, 'view' models	DM mail archive
RM#9 31 Oct 2025, 14:00 UTC	Interop preparation	DM mail archive
RM#4 18 Mar 2025, 15:00 UTC	Mango update, DMWG long-term model landscape planning	no link available
RM#8 24 Sept 2025, 14:00 UTC	MANGO, CAOM, ObsCore+extensions	DM mail archive
RM#7 24 June 2025, 14:00 UTC	Preparation of next roadmap Discussion on DM related plenaries
DM meeting: 03 Feb 2022	Project status: PhotDM, Meas, MIVOT	Twiki page
RM#10 18 Dec 2025, 21:00 UTC	Review roadmap, set stage for upcoming work	DM mail archive
RM#2 21 Jan 2025, 14:00 UTC	Roadmap project status, next steps planning	DM mail archive
DM meeting: 20 Jun 2022	Spectrum RFE	Twiki page

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