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Strasbourg astronomical Data Centre (DS)

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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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