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  2. Smithsonian Astrophysical Observatory Star Catalog - Wikipedia

    en.wikipedia.org/wiki/Smithsonian_Astrophysical...

    Online version of the SAO Catalog was created by the HEASARC in March 2001 based on ADC/CDS Catalog I/131A, which itself is originally derived from a character-coded machine-readable version of the Smithsonian Astrophysical Observatory Star Catalog (SAO, SAO Staff 1966) prepared by T.A. Nagy in 1979, and subsequently modified over the next ...

  3. Star catalogue - Wikipedia

    en.wikipedia.org/wiki/Star_catalogue

    The Guide Star Catalog is an online catalogue of stars produced for the purpose of accurately positioning and identifying stars satisfactory for use as guide stars by the Hubble Space Telescope program. The first version of the catalogue was produced in the late 1980s by digitizing photographic plates and contained about 20 million stars, out ...

  4. SAO Catalogue - Wikipedia

    en.wikipedia.org/?title=SAO_Catalogue&redirect=no

    Download as PDF; Printable version; In other projects Appearance. move to sidebar hide. From Wikipedia, the free encyclopedia ... Smithsonian Astrophysical ...

  5. List of astronomical catalogues - Wikipedia

    en.wikipedia.org/wiki/List_of_astronomical...

    GSC — Guide Star Catalog. GSC2 / GSC II — Guide Star Catalog II; GSPC — Guide Star Photometric Catalog. GSPC2 — Guide Star Photometric Catalog, 2nd; Gsh — J. Glaisher (double stars) GΣ — G. Struve (double stars) Gtb — K. Gottlieb (double stars) Gui — J. Guillaume (double stars) Gum — Gum catalog of emission nebulae

  6. PPM Star Catalogue - Wikipedia

    en.wikipedia.org/wiki/PPM_Star_Catalogue

    In contrast to the PPM, these older catalogs are based on (1) the now obsolete FK4 system of positions and proper motions, and (2) only two position measures per star. [2] While the SAO catalog is more or less complete to V=9, with 4,503 stars fainter than V=10, the PPM catalog is fairly complete to V=9.5, with 102,672 stars fainter than V=10 ...

  7. Catalog of Stellar Identifications - Wikipedia

    en.wikipedia.org/wiki/Catalog_of_Stellar...

    The Catalog of Stellar Identifications (CSI) is a star catalog which was constructed to facilitate cross-referencing between different star catalogs. It contains designations and basic data for, as of 1983, approximately 440,000 stars, and was created by merging the Smithsonian Astrophysical Observatory Star Catalog, the Henry Draper Catalogue, the AGK2/3, the Cape Photographic Catalogue, the ...

  8. Digitized Sky Survey - Wikipedia

    en.wikipedia.org/wiki/Digitized_Sky_Survey

    The term Digitized Sky Survey originally referred to the publication in 1994 of a digital version of an all-sky photographic atlas used to produce the first version of the Guide Star Catalog.

  9. S Orionis - Wikipedia

    en.wikipedia.org/wiki/S_Orionis

    Download as PDF; Printable version; ... SAO 132163, HIP 25673 ... S Orionis is listed in the Washington Double Star Catalog as a double star with a tenth magnitude ...