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CADC, National Research Council Canada
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Canada
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Abstract Reference: 30742
Identifier: O10.3
Presentation: Oral Presentation
Key Theme: 5 Data Models in Astrophysics

The Common Archive Observation Model: Inside the Data Centre

Authors:
Patrick Donovan Dowler

The Common Archive Observation Model (CAOM) is used as the core data model for all data holdings at the Canadian Astronomy Data Centre (CADC): ~12 million data products spanning 15 collections and including images, spectra, cubes, time series, and catalogues. The CADC supports both in-house and external data engineering efforts by providing client tools and operating a CAOM observation repository service where data engineers have permission to create, update, and delete observation metadata.

CAOM supports anonymous access for public data and authenticated access to proprietary metadata and data. The content is loosely coupled to data storage and delivery system. In addition to the CADC AdvancedSearch (web portal), CAOM also supports IVOA services and data models to provide an end-to-end solution for data discovery and data access: TAP, ObsCore, SIA, DataLink, and SODA.

CAOM is an open source model and open source codebase that is evolving along with the demands of both data variety and the needs of science users, science teams, and data centre operations.


Abstract Reference: 31341
Identifier: D4
Presentation: Demo Booth organisational
Key Theme: 4 Long-term Management of Data Archives

The Common Archive Observation Model: Open Source Model and Infrastructure 

Authors:
Patrick Donovan Dowler

CAOM is an open source model and open source codebase that acts as the foundation of a complete astronomy data centre. CAOM is evolving to meet the demands of both data variety and the needs of science users, science teams, and data centre operations.

We will provide an informal overview and discussion of CAOM: the model, the available code, and the community.