Dictionary of Nomenclature of Celestial Objects
(Last update: 17-Mar-2023)

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)