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| META TOPICPARENT | name="IvoaTCG" |   TCG Meeting (online) - Thursday August 28 2025 @ 13:00 UTC  Attendees  | 
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 Attendees : Adrian, André, Baptiste, Brigitta, Bruno, Francesca, Gilles, Grégory, Gus, Janet, Jesus, Judy, Marco, Mark CD, Mark K, Markus, Mathieu, Sébastien, Shanshan, Stéphane, Tess, Tom, Yihan
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 Regrets : Renaud, Mark A.
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 OPEN - put together a template for call for proposals; model after DAL
 NEW - (BC) Ask Markus about use case for object_type vocab proposal
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 OPEN - put together a template for call for proposals; model after DAL (postponed)
 NEW - (BC) Ask Markus about use case for object_type vocab proposal (DONE)
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 NEW - (ALL) brainstorm within groups about contributing to the data model usage hack-a-thon/workshop proposal
 NEW - (MM?) put issues on DocStd git repo and works towards a F2F meeting with TCG (interop?)
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 action on object_type vocabulary: CLOSED (needed by multiple standards, looking for an appropriate solution
 call for contributions: to be set up in the current website for Goerlitz 
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 (standing item): documents on track 
 RFC 
 VOEvent-2.1 - RFC page - implementations & validator check
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 a tool exists for VOEvent-2.1 messages, need to use & report
 registry part has a further issue, might need a quick revision to move on
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 EN  
 Errata  
 VEPs 
 any?
 new vocabularies? 
 Calibration levels ( DRAFT)
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 vocabulary discussion is ongoing, check status at Goerlitz interop
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 IVOA Northern Fall November 2025 Interoperability Meeting 
 Görlitz (Germany) - 14-16 November 2025  
 need to 
 start announcing
 start program preparation (remember it's a "short" Interop)
 plan to attend? in person/remote?
 local support for a hybrid solution?
 Highlighted topics (by group) 
 Apps: VOTable, demo session(s)
 DAL: Cone Search next, progress on DALI, ADQL (arrays, enumeration)
 DM: Focus on discussions on model usageDSP: Main topic: AuthN, how to provide tokens. This is becoming much more important. CDS is thinking about adding AuthN to services in general. 
 Radio/HE? Some advancements on docs. Radio ext note is in good shape but needs another pass. For HE about the same status as Radio with progress on the note, making final improvements for internal review. Will there be contributions to the interop based on notes (such as prototypes/implementations)? Not sure but will find out. 
 The goal is for the work to be presented to DM and the broader community so they can be integrated into the ObsCore developments.
 Reg: Simulated data; Also Spatial coverage with MOC for data discovery layers at registry itself; discovering alternate (cloud) locations for data; RegTAP update for product type. 
 Can we look at registering HATS catalogs?
 
 AOB 
 astronet.ru (simple reminder bullet)
 positions still TBF: Radio IG vice-chair role is open
 new website: report
 IGs & TCG/CSP interfacing
 
TCG meeting dates, as well as other relevant meetings, should always be reported also at the IVOA Events page. Date for the next TCG vconf 
 Thursday 25 September 2025 @ 20:00 UTC - focus on Interop, be prepared
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