Dictionary of Nomenclature of Celestial Objects
(Last update: 28-Jun-2017)

Result of query: info cati UCAC4$

Details on Acronym:   UCAC4
   UCAC4 (Fourth USNO CCD Astrograph Catalog) Write:<<UCAC4 FFF-NNNNNN>> N: 113780093 Object:*  (SIMBAD class: Star) Note:UCAC4 is a compiled, all-sky star catalog of N=113780093 objects, covering mainly the 8 to 16 magnitude range in a single bandpass between V and R.
See also: http://www.usno.navy.mil/USNO/astrometry/optical-IR-prod/ucac Ref:=2013AJ....145...44Z byZACHARIAS N. , FINCH C.T., GIRARD T.M., HENDEN A., BARTLETT J.L., MONET D.G., ZACHARIAS M.I. Astron. J., 145, 44 (2013) The fourth US Naval Observatory CCD Astrograph Catalog (UCAC4). o2012yCat.1322....0Z o<UCAC4 FFF-NNNNNN> N=113780093. =E=Catalogue in electronic form as I/322 Originof the Acronym: A = Assigned by the author(s)