Dictionary of Nomenclature of Celestial Objects
(Last update: 31-May-2024)

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).