Date: Wednesday, September 10, 2025

Time: 13:00 UTC

Zoom Link: https://ubc.zoom.us/j/62257207376?pwd=h6391EcXq0bPD60OlxjbcouTQ374K1.1

Contents

Agenda

1. Roll call and agenda
2. IVOA Website [New Standing Item]
   • Status and roadmap for new website
   • Draft new website available: https://webtest.ivoa.info/
   • Git Hub repository: https://github.com/ivoa/ivoa-web
     • Bug reporting and change requests: https://github.com/ivoa/ivoa-web/issues
3. Review and approval of TM127 & TM128 Minutes
4. Review of Actions for TM129
   
5. Future Interop meetings
   • Northern Fall 2025 - Görlitz (ADASS dates: 9-13 November 2025, Interop held after ADASS)
     • Travel and virtual attendance options for USVO
   • Northern Spring 2026
6. Project Reports [Significant Events Only]
7. Overall TCG Status [Standing Item]
8. Approval of new IVOA Recommendation(s) [Standing Item]
9. CSP Report
10. Report on the IAU General Assembly/Working Group
11. Date of next Exec meeting
12. AOB
    1. Posting Exec Committee membership roster online
13. Review of new actions

Reports from the Projects

NOVA (Argentina)

ArVO (Armenia)

AstroGrid (United Kingdom)

ASVO (Australia)

BRAVO (Brazil)

China-VO

• A dozen of representatives from China have registered the ADASS and IVOA meetings.
• Organized by China-VO (National Astronomical Data Center), the 1st Citizen Science Summit in Astronomy (CSSA) took place in Dalian, Northeast China, from July 31 to August 1, 2025. The Summit Featured: 4 invited talks, including a virtual keynote by Chris Lintott (founder of Zooniverse) titled “Lessons from the Zooniverse: Citizen Science in the Rubin Observatory Era”, 17 contributed talks, 3 roundtable discussions, and 4 major meeting announcements. The event proved highly productive and successful, with all presentation slides available at “https://nadc.china-vo.org/events/cssa2025/info/131”. Extensive media coverage, including multiple English-language reports, can be found at “https://nadc.china-vo.org/events/cssa2025/info/134”. The summit formally established a working definition of Citizen Science: Citizen Science is a research model where the general public collaborates to address a specific scientific question, aiming to generate scientific outcomes. Or in Chinese: 公众科学是围绕一个具体的科学问题，以产生科学成果为目标，由社会公众协作开展的一种科研模式。

CVO (Canada)

ESA (Europe)

Euro-VO (Europe)

A number of Euro-VO activities are being pursued in the Astro-CC Pilot project.

A Technology Forum is planned for 7-9 October in Trieste, Italy. Participation is open, details here: https://indico.in2p3.fr/event/36318/

A VO School training event is planned for 2-4 December near Madrid. A first announcement will be made soon, and participation will be via application.

GAVO (Germany)

JVO (Japan)

Kazakhstan VO

NLVO (Netherlands)

OV-France

OV-France has been renewed for a new four-year mandate, until 2029, by the French Specialized Commission for Astronomy and Astrophysics.

RVO (Russia)

SA^3 (South Africa)

SKAO (Square Kilometre Array Observatory; Australia & South Africa)

SVO (Spain)

UkrVO (Ukraine)

USVOA (United States)

VO-India

VObs.it (Italy)

• Radio obscore extension - continued contribution
• Astro-CC 1st Technology Forum set up
• web assets: new server setup with services disentanglement

Report from the TCG

• TCG met 2(+1) times since College Park's Interop
  • 26 June: with a wrap up of the June's interop
  • (29 July): chat on IG/TCG/CSP connections
  • 28 August: round table highlights in view of Northern Fall Interop
  • new members welcome
  • Radio IG vice role still open, chair will expire (possible extension) May 2026
• REC/EN in progress
  • VOEvent-2.1
    • RFC closed but waiting last minute implementations
    • potential last minute change to registry extension
  • StandardsRegExt -1.1 - nearly ready
  • MANGO-1.0 - currently lacking reviews (northern summer break)
• (among) other documents and standards
  • vocabularies: calibration levels, object types (ongoing works)
  • ObsCore & extensions
  • HATS Note and further steps
• trying to involve people in a DM hack-a-thon workshop
• starting steps in a revision of the Documents Standard
  • trying to focus more on take-up before REC stage
• new web pages
  • should fit in Exec agenda (Media Group connection)
• astronet.ru publishing registry - still open (info updated)
• next TCG vconf on 25 September: focus on interop's programme

IAU Working Group Report

Report from the CSP