IVOA Technical Coordination Group

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

TCG Charter

The Charter is detailed here


  Chair Vice-Chair
TCG PatrickDowler JanetEvans
Working Groups
Applications TomDonaldson RaffaeleDAbrusco
Data Access Layer MarcoMolinaro JamesDempsey
Data Model LaurentMichel JesusSalgado
Grid and Web Sevices GiulianoTaffoni ChristineBanek
Registry TheresaDower PierreLeSidaner
Semantics MarkusDemleitner CarloMariaZwoelf
Interest Groups
Data Curation & Preservation AndreSchaaff TimJenness
Education ChenzhouCui HendriklHein
Knowledge Discovery in Databases KaiLarsPolsterer MatthewGraham
Operations MarkTaylor SteveGroom
Solar System BaptisteCecconi StevenJoy
Theory CarlosRodrigo GerardLemson
Time Domain AdaNebot DaveMorris
IVOA Committees
Exec Mark Allen Chenzhou Cui
Standard and Processes Christophe Arviset  
Science Priorities Bruno Merin  
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 (23 Nov 2010) can be found here

Note: Up-to-date architecture diagrams can be generated from within the ivoatex package on volute. Thesewill be moved to be included in the source code of the architecture note and re-rendered versioins made available for use in documents, presentations, etc.

On-going Recommendations

Standard Title Short Name RFC Page RFC period
      TCG Review Rec to Exec
Table Access Protocol PR-TAP-1.1 RFC 2019-07-25 to 2019-09-03 2019-09-09
Maintenance of the list of UCD words PR-UCDListMaintenance-2.0 RFC 2019-07-25 to 2019-09-03 2019-09-09
Registry Relational Schema PR-RegTAP-1.1 RFC 2019-06-03 to 2019-07-31 2019-09-28
VOTable Format Definition PR-VOTable-1.4 RFC 2019-06-12 ro 2019-07-19 2019-09-28
HEALPix Multi-Order Coverage Map PR-MOC-1.1 RFC 2019-06-14 to 2019-07-29 2019-09-28
Provenance PR-Prov-1.0 RFC 2019-07-23 to 2019-09-03  
Measurements PR-Meas-1.0 MeasRFC 2019-09-13 to 2019-10-21  
Coordinates PR-Coords-1.0 CoordsRFC 2019-09-13 to 2019-10-21  
SSLDM PR-SSLDM-2.0 SSLDM 2019-10-02 to 2019-11-13  

For WG chairs convenience,

Current Errata

Title Errata Page TCG Review

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

Meetings / Teleconf / Discussions / Coordination

Past Recommendations

Topic attachments
I Attachment Action SizeSorted ascending Date Who Comment
Unknown file formatxlsx TCG_ActiveStds.xlsx manage 13.1 K 2019-05-30 - 16:17 JanetEvans  
PDFpdf TCG_ActiveStds.pdf manage 63.8 K 2019-05-30 - 16:17 JanetEvans  
Unknown file formatpptx VOArchitecture-IVOAStandards_20160506.pptx manage 439.9 K 2016-09-20 - 07:04 MatthewGraham  
PDFpdf VOArchitecture-IVOAStandards_20160506.pdf manage 3843.5 K 2016-09-20 - 07:02 MatthewGraham  
Topic revision: r341 - 2019-10-09 - JanetEvans
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