Dictionary of Nomenclature of Celestial Objects
(Last update: 24-Jan-2023)

Result of query: info cati TYC$

Details on Acronym:   ACT
   ACT (Astrographic Catalogue, Tycho) Note:The motivation of this catalogue was to provide accurate proper ** catalog: use Tyc Originof the Acronym: A = Assigned by the author(s)
Details on Acronym:   TRC
   TRC (Tycho Reference Catalogue) Note:The Tycho Reference Catalogue (TRC) contains high-quality positions ** catalog: use Tyc Originof the Acronym: A = Assigned by the author(s)
Details on Acronym:   Tyc
   Tyc (Tycho mission)= (ACT) = (TRC) = (Tycho) Write:<<TYC FFFF-NNNNN-N>> N: 1058332 Object:*  (SIMBAD class: Star) Note:Final catalogue of Tycho mission on satellite mission.
The designation of an object in the Tycho Catalogue uses the Guide Star Catalog numbering system 'FFFF-NNNNN' (a region number (FFFF) and a number within the region (NNNNN)) followed by a Tycho specific component number (N). The embedded blanks in the format are often converted to zeros. Second catalogue (Tycho-2) is presented in 2000A&A...355L..27H. Ref:=1997HIP...C......0E byESA European Space Agency SP-1200, 0-None (1997) The Hipparcos and Tycho Catalogues (vol. 1-17). o<HIP NNNNNN> N=118218. <TYC FFFF NNNNN N> N=1058332. Ref:=2000A&A...355L..27H byHOG E. , FABRICIUS C., MAKAROV V.V., URBAN S., CORBIN T., WYCOFF G., BASTIAN U., SCHWEKENDIEK P., WICENEC A. Astron. Astrophys., 355, 27-30 (2000) The Tycho-2 catalogue of the 2.5 million brightest stars. oEntirely ingested in SIMBAD in 2012. The reference is not linked to the objects however because of the very large number of sources. Reprint in the special issue (500/1) : 2009A&A...500..583H o(Erratum) erratum vol. 363 p.385 o<TYC FFFF-NNNNN-N> N=2539913. =E=Catalogue in electronic form as I/239 =E=Catalogue in electronic form as I/259
Details on Acronym:   Tycho
   Tycho (Tycho mission) ***** Avoid the usage of Tycho, prefer Tyc

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