4-606: The VizieR Catalogue Service is an astronomical catalog service provided by Centre de données astronomiques de Strasbourg (CDS, Strasbourg Data Centre for astronomy). The origin of the service dates back to 1993, when it was founded by the European Space Agency as the European Space Information System (ESIS) Catalogue Browser. Initially intended to serve the space science community, the ESIS project pre-dates
8-546: A common type, morphology , origin, means of detection, or method of discovery. The oldest and largest are star catalogues . Hundreds have been published, including general ones and special ones for such objects as infrared stars , variable stars , giant stars , multiple star systems , star clusters , and so forth. General catalogs for deep space objects or for objects other than stars are also large. Again, there are specialized ones for nebulas , galaxies , X-ray sources , radio sources , quasars and other classes. The same
12-523: The World Wide Web as a network database allowing uniform to a heterogeneous set of catalogues and data. The CDS had for years collected and disseminated astronomical data, so the original ESIS Catalogue Browser was transferred to and stored there. Since its inception in 1996, VizieR has become a reference point for astronomers worldwide engaged in research, who come to access catalogued data regularly published in astronomical journals. The new VizieR service
16-520: Was refurbished in 1997 by the CDS to better serve the community in terms of searching capabilities and data volume. As of February 2021 it contains more than 20000 catalogues. It is a major data source as part of the Virtual Observatory . Astronomical catalog An astronomical catalog or catalogue is a list or tabulation of astronomical objects , typically grouped together because they share
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