Dictionary of Nomenclature of Celestial Objects
(Last update: 22-Mar-2024)

Result of query: info cati UI$

Details on Acronym:   UI
  
UI (Upgren, Intermediate spectral type)
Write:<<UI +DD-NNN>>
N: 1127
Object:*  (SIMBAD class: Star)
Note:Dec. zone: +27deg to +42deg. Spectral type F2 to G5. See also Upgren late spectral type NGP.
in source:NAME NGP
Ref:=1963AJ.....68..194U
byUPGREN A.R.
 Astron. J., 68, 194-206 (1963)
  Space distribution of stars of intermediate spectral type in a North Galactic Pole region.
oCatalogue: <UI +DD-NNN> N=1127.
=E=Catalogue in electronic form as III/9
Originof the Acronym: A = Assigned by the author(s)