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

Working Groups
	Chair	Vice-Chair
TCG	Janet Evans	Marco Molinaro
Applications	Pierre Le Sidaner	Adrian Damian
Data Access Layer	James Dempsey	Gregory Mantelet
Data Model	Laurent Michel	Jesus Salgado
Grid and Web Sevices	Giuliano Taffoni	Dave Morris
Registry	Renaud Savalle	Tess Jaffe
Semantics	Markus Demleitner	Carlo Maria Zwoelf
Interest Groups
Data Curation & Preservation	Gilles Landais	Gus Muench
Education	Hendrik Heinl	Shanshan Li
Knowledge Discovery	Raffaele D'Abrusco	Yihan Tao
Operations	Mark Taylor	Steve Groom
Radio Astronomy	Mark Lacy	Francois Bonnarel
Solar System	Anne Raugh	Baptiste Cecconi
Theory	Simon O'Toole	OPEN
Time Domain	Brent Miszalski	Mark Cresitello-Dittmar
IVOA Committees
Exec	Christophe Arviset	Simon O'Toole
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

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

Standard Title	Short Name	RFC Page	RFC period
Standard Title	Short Name	RFC Page	TCG Review	Rec to Exec
Model Instance in VOTables	PR-MIVOT-1.0	MIVOT RFC	2022-09-16 to 2022-10-31	TCG (review & vote)
Vocabularies in the VO	PR-Vocabularies-2.1	VocInVO21RFC	2022-09-20 to 2022-12-20	Sent to Exec

Simple Spectral Lines DM	SSLDM-2.0	SSLDM	frozen

For WG chairs convenience,

Please find here a Template RFC page that can be used to create new RFC pages for a specific standard.
List of steps for the Standard Promotion Process
See here the Current IVOA Standards Status

Title	Errata Page	TCG Review
DALI v1.1 Erratum 1: Drop resource attribute on continuation	DALI-1_1-Erratum-1	WG
SODA v1.0 Erratum 2: Wrong VOTable syntax in polarization example	SODA-1.0 Erratum 2	WG
SODA v1.0 Erratum 3: Wrong VOTable syntax in BAND example	SODA-1.0 Erratum 3	WG
SIAP v2.0 Erratum 1: POS=RANGE examples inconsistent with spec	SIAP-2.0 Erratum 1	WG
SIAP v2.0 Erratum 2: Possible confusion between FORMAT and RESPONSEFORMAT parameter	SIAP-2.0 Erratum 2	WG

Title	Note Page	TCG Review
UCD1+ 1.5	UCDList_1-5_RFM	approved 2023-01-25
DALI examples vocabulary	preliminary vocabulary	TCG

ID	action	term	label	VEP text	status

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

2022B Roadmap - development activities by the various IVOA working and interest groups in 2022 between the Oct 2022 and May 2023 Interops.
Previous Years Roadmaps - 2022A Roadmap, 2021B Roadmap, 2021A Roadmap, 2020B, 2020A, 2019B, 2019A, 2018B, 2018A, 2017B, 2017A, 2016B, 2016A, 2015B, 2015A, 2014B, 2014A, 2013B, 2013A, 2012, 2010, 2009, 2008, 2007, 2006, 2005

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