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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 ...
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 ...
SAO Catalogue. Add languages. Add links. Article; ... Download as PDF; Printable version; ... Smithsonian Astrophysical Observatory Star Catalog; Retrieved from ...
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
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 ...
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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 ...
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