Dictionary of Nomenclature of Celestial Objects
(Last update: 10-Apr-2024)

Result of query: info cati 4CT DD.NN.N$
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Details on Acronym:   4C(T)
  
4C(T) (4th Cambridge catalog, Total flux)
***** Avoid the usage of 4C(T), prefer 4CT

Details on Acronym:   4CT
  
4CT (4th Cambridge catalog, Total flux)= 4C(T)
Write:<<4CT DD.NN.NA>>
<<4CT +DD.NN>>
N: 86
Object:(Rad)  (SIMBAD class: Radio = Radio Source)
Note:1st ref.: N=86 new sources not in the 4C catalogue. 2nd ref.: The source 64.20.1 is divided into 3 components A to C
Ref:=1969MNRAS.145..181C
byCASWELL J.L. , CROWTHER J.H.
 Mon. Not. R. Astron. Soc., 145, 181-196 (1969)
  A pencil-beam survey of radio sources at 178 MHz.
oTable II: <4CT DD.NN.N> N=86
Ref:=1974MNRAS.166..101S
bySLINGO A.
 Mon. Not. R. Astron. Soc., 166, 101-111 (1974)
  Observations of ten extragalactic radio sources with very steep spectra.
oTable I: <[S74] 64.20.1 A> (Nos A-C).