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Obscore Session - IVOA June 2026 Interoperability Meeting

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Time: Tuesday June 9, 2026 - 14:00-15:30 (Strasbourg local time)

Location: Terra Room

Notes: We're looking forward to an interactive panel session!!

Moderator: B. Khelifi, Notetaker: J Evans

Time (CET) Length Presenter Topic Abstract Pdf
14:00-14:05 5 J. Evans Session Overview Short overview of Obscore Extension activities to kick off the session pptx
14:05-14:15 10 I. Evans HEA Obscore Extension Highlights The IVOA High Energy Interest Group (HEIG) has developed a draft Proposed Endorsed Note "IVOA ObsCore Extension and Discovery of High Energy Astrophysics Data" that addresses enhancements and extensions to IVOA standards that are needed to support meaningful data discovery by the broader HEA scientific community. Here we summarize the content of the Note, including the main enhancements proposed for several existing ObsCore attributes, HEA-specific extensions for ObsCore, extensions to the IVOA Data Product Vocabulary, and proposed enhancements to UCDs needed to support HEA data products. pdf
14:15-14:25 10 I. Evans Chandra Prototype Demo (X-ray) We demonstrate our reference implementation of the draft "IVOA ObsCore Extension and Discovery of High Energy Astrophysics Data" Proposed Endorsed Note using HEA data products from the Chandra X-ray Observatory. The data products included in this prototype were used to build the Chandra Source Catalog (CSC) and span ObsCore calibration levels 1 through 4. We demonstrate access to new data product types and query functionality essential for HEA data discovery that is enabled by the enhancements and extensions proposed in the Note. pptx
14:25-14:35 10 M. Servillat CTAO Prototype Demo (Gamma) The Cherenkov Telescope Array Observatory (CTAO) will be an open observatory providing a public access to its high level science data products. In the context of CTAO, we developed VO services dedicated to the dissemination of Cherenkov gamma-ray data, with requirements that are specific to the domain of High Energy Astrophysics (HEA). This work participated to the preparation of the Proposed Endorsed Note (PEN) "IVOA ObsCore Extension and Discovery of High Energy Astrophysics Data". We present here a reference implementation that exposes public H.E.S.S. Cherenkov data described with ObsCore metadata and ObsCore HEA extension metadata, covering several use cases described in the PEN. pdf
14:35-14:45 10 S Hallmann KM3NeT Prototype Demo (Neutrino) Neutrino telescopes constantly observe large portions of the sky with out a fixed pointing and - compared to other messengers - typically low count statistics for individual source candidates. We demonstrate our interpretation of how ObsCore and the proposed extension for High Energy Astrophysics (HEA) can be useful in the neutrino context. We also show our use cases for HEA data products of the KM3NeT and ANTARES neutrino telescopes that are accessible via KM3NeT 's DaCHs VO-server and dataverse instances. pdf
14:45-14:55 10 M Kettenis Radio Prototype Demo (JIVE) DaCHS has provided an implementation of the proposed "IVOA ObsCore Extension for Radio Data" for a few years now and current beta versions of DaCHS 2.13 have now been adjusted to align with the latest draft of the proposed endorsed note. At JIVE we use this version of DaCHS to provide the UV plane characterisation properties defined in this extension. These properties can help selecting data sets from the EVN archive that are suitable for high-fidelity imaging. pdf
14:55-15:00 5 P Dowler DM activity/status Overview of ObsCore development within the Data Model Working group. ObsCore
15:00-15:30 30 Ian, Mathieu, Steffen, Mark K, Pat, Mireille Audience/Panel Discussion    
Attachments Attachments
Topic attachments
I Attachment History Action Size Date Who Comment
PDFpdf 2026_06_IVOA_interop_Strasbourg_neutrino_use_case.pptx.pdf r1 manage 2813.9 K 2026-06-09 - 07:24 BrunoKhelifi  
PDFpdf CTAO-HESS_Data_Access_-_Servillat_-_2026-06-09.pdf r1 manage 40871.3 K 2026-06-09 - 07:40 MathieuServillat  
PDFpdf IVOA-RadioObscoreDemo-202606.pdf r1 manage 1402.0 K 2026-06-09 - 06:36 MarkKettenis  
PDFpdf ObsCore_HEA_Summary.pdf r1 manage 1316.6 K 2026-06-08 - 12:21 JanetEvans Obscore Etension for HEIG summary
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Topic revision: r18 - 2026-06-09 - PatrickDowler
 
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