Dictionary of Nomenclature of Celestial Objects
(Last update: 02-Nov-2023)

Result of query: info cati 4CT$

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).