Dictionary of Nomenclature of Celestial Objects
(Last update: 11-Mar-2024)

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)