Strasbourg Astronomical Data Centre: Curating Astronomical Information
The Strasbourg Astronomical Data Centre, founded in 1972 and located in Strasbourg, France, is a hub for astronomers and data specialists. It offers services like SIMBAD, VizieR, and Aladin, curating and distributing astronomical data. Explore how this center facilitates data discovery and retrieval in the realm of astronomy.
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Presentation Transcript
Strasbourg astronomical Data Centre (DS) Fran oise GENOVA
The Centre de Donnes astronomiques de Strasbourg (CDS) 2 Founded in 1972 Located in Strasbourg (France) The team integrates astronomers, s/w engineers and data librarians specialized in astronomical data Curates and distributes data from publications, astronomical catalogues, reference images Three main services SIMBAD, nomenclature and bibliography of astronomical objects (currently ~7 500 000) VizieR, catalogues, observations logs tables and other data (images, spectra, time series, ) from publications Aladin, interactive sky atlas. VO portal for image data and database of reference images.
Vizier content 4 Agreement with the then European journal Astronomy & Astrophysics in 1993: publication of tables at CDS (ftp service, then database allowing to query by criteria), selection by a science editor Also data attached to publications from the other journals A common metadata description: files, columns Fully integrated in the astronomical virtual observatory (seamless access among observatory archives and other resources) More and more data which are not tables (15% of 12 000)
5 Data validated by a publication Fully discoverable and usableble Photometry viewer : Spectral points extracted from the collection Fran oise Genova, Copernicus Workshop, 14 March 2014
Metadata & Virtual Observatory = data discovery & retrieval 6
