IVOA Technical Coordination Group

This Committee is formed by the Chairs of the Working and Interest Groups and includes the IVOA chairs and vice-chairs.

TCG Charter & History

The Charter is detailed here

The Chair/V Chair History is detailed here


  Chair Vice-Chair
TCG Janet Evans Marco Molinaro
Working Groups
Applications Pierre Le Sidaner Adrian Damian
Data Access Layer James Dempsey Gregory Mantelet
Data Model Mark Cresitello-Dittmar MathieuServillat
Grid and Web Sevices Jesus Salgado Sara Bertocco
Registry Renaud Savalle Tess Jaffe
Semantics Baptiste Cecconi Sebastien Derriere
Interest Groups
Data Curation & Preservation Gilles Landais Gus Muench
Education Hendrik Heinl Shanshan Li
Knowledge Discovery Raffaele D'Abrusco Yihan Tao
Operations Steve Groom Tamara Civera
Radio Astronomy Francois Bonnarel Mark Kettenis
Solar System Anne Raugh Markus Demleitner
Theory Simon O'Toole Giuliano Taffoni
Time Domain Rafael Martinez Galarza Pierre Fernique
IVOA Committees
Exec Simon O'Toole JJ Kavelaars
Standard and Processes Patrick Dowler  
Science Priorities Ada Nebot Francesca Civano
Inactive Working Groups
VOTable Assigned to Apps WG
VO Query Language Merged with DAL in May 2010
VOEvent Transformed into Time Domain IG in Oct 2012

IVOA Architecture

The current version of the IVOA Architecture Note (01 Nov 2021) can be found here

  • Note: Up-to-date architecture diagrams can be generated from with the ivoatex package. The complete inout filr with all RECs and some pre-RECs can be found in the IVOA Architecture document source: https://github.com/ivoa-std/architecture

On-going Recommendations

Standard Title Short Name RFC Page RFC period
TCG Review Rec to Exec
Registry Relational Schema RegTAP -1.2 RegTAP12RFC 2024-02-01 - 2024-03-20  
Simple Spectral Lines DM SSLDM-2.0 SSLDM frozen  
For WG chairs convenience,

Current Errata

Title Errata Page TCG Review
SSA-1.1 Erratum 3: Correct XMLNS in examples SSA-1.1 Erratum 3 WG
SSA-1.1 Erratum 4: Make coverage optional SSA-1.1 Erratum 4 WG
SSA-1.1 Erratum 5: Clarify utype prefixing SSA-1.1 Erratum 5 WG

Current Notes for Endorsement

Title Note Page TCG Review

Current Vocabulary Enhancement Proposals

ID action term label VEP text status
VEP-014 Addition product-type#spatial-profile Spatial Profile VEP-014.txt WG
VEP-015 Addition voresource/relationship_type#references References VEP-015.txt WG
VEP-016 Addition voresource/date_role#ExportRequested Export Requested VEP-016.txt WG
VEP-009 Modification datalink/core#progenitor Progenitor VEP-009.txt frozen
Status column definitions,
  • WG means dicussions are underway
  • TCG means that TCG members should review and be prepared to vote at the next TCG meeting (telecon or face-to-face)
  • PASS/Date is when TCG reviewed and approved the errata
  • Note: Row will be removed in table by TCG VCh after Errata has made it to Doc&Stds pages - reviewed periodically during TCG mtg prep

IVOA Technical Assessment and Roadmap Documents

Standards Process Review

TCG Running List/Primer

IVOA Interop Planning Notes

Meetings / Teleconf / Discussions / Coordination

Past Recommendations

Topic attachments
I Attachment History Action Size Date Who Comment
PDFpdf Arch-2021-09-14.pdf r1 manage 813.1 K 2021-09-16 - 21:26 PatrickDowler  
PDFpdf TCG_ActiveStds.pdf r2 r1 manage 63.8 K 2019-05-30 - 16:17 JanetEvans  
Unknown file formatxlsx TCG_ActiveStds.xlsx r2 r1 manage 13.1 K 2019-05-30 - 16:17 JanetEvans  
PDFpdf VOArchitecture-IVOAStandards_20160506.pdf r1 manage 3843.5 K 2016-09-20 - 07:02 MatthewGraham  
Unknown file formatpptx VOArchitecture-IVOAStandards_20160506.pptx r1 manage 439.9 K 2016-09-20 - 07:04 MatthewGraham  
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Topic revision: r561 - 2024-04-18 - JanetEvans
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