CDS.headStuff2 Dictionary of Nomenclature of Celestial Objects
(Last update: 29-Nov-2021)
Result of query: info cati UCAC4 FFF-NNNNNN$



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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