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Strasbourg astronomical Data Centre (DS)

Strasbourg astronomical Data Centre (DS). Françoise GENOVA. The Centre de Données astronomiques de Strasbourg (CDS). Founded in 1972 Located in Strasbourg (France) The team integrates astronomers, s/w engineers and data librarians specialized in astronomical data

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Strasbourg astronomical Data Centre (DS)

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  1. Strasbourg astronomical Data Centre (DS) Françoise GENOVA

  2. The Centre de Donnéesastronomiques de Strasbourg (CDS) • 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.

  3. The VizieR service

  4. Vizier content • 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 Françoise Genova, Copernicus Workshop, 14 March 2014

  6. Metadata & Virtual Observatory = data discovery & retrieval

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