Dictionary of Nomenclature of Celestial Objects (Last update: 26-Nov-2020)
Result of query: info cati UCAC$
Details on Acronym: UCAC UCAC (USNO CCD Astrographic Catalog) (Not yet in Simbad)Write:<<UCAC NNNNNNNN>>
N: About 40000000
Object:* (SIMBAD class: Star)
Note:Astrometric survey, all Southern Hemisphere: - mostly stars 7.5 to 16.5 magnitude range - one spectral bandpass (around 610 nm) - high precision, 20 mas for stars to about 14 mag - direct link to Hipparcos stars - alternatively, strong link to ICRF sources with additional observations in parallel - project start: Jan 25, 1998 The stars in the catalog are ordered by declination.
Auth.:ZACHARIAS N. Originof the Acronym: p = Pre-registered to IAU Comm.5