Dictionary of Nomenclature of Celestial Objects
(Last update: 11-Mar-2024)

Result of query: info cati 4C$

Details on Acronym:   4C1
  
4C1 (4th Cambridge catalog)
***** Avoid the usage of 4C1, prefer 4C

Details on Acronym:   4C2
  
4C2 (4th Cambridge catalog)
***** Avoid the usage of 4C2, prefer 4C

Details on Acronym:   4C
  
4C (4th Cambridge catalog)= (4C1) = (4C2)
Write:<<4C +DD.NN>>
<<4C +DD.NN.N>>
<<4C +DD.NNA>> (not recognised by Simbad, but found in literature)
N: 4844
Object:(Rad)  (SIMBAD class: Radio = Radio Source)
Note:See also 4CT.
Ref:=1965MmRAS..69..183P
byPILKINGTON J.D.H. , SCOTT P.F.
 Mem. R. Astron. Soc., 69, 183-224 (1965)
  A survey of radio sources between declinations 20 and 40.
o4C +25.56.1 is a 4C source in the declination range +25° lying between 4C +25.56 and 4C +25.57 in right ascension.
o<4C +DD.NN> N=1218, <4C +DD.NN.N> N=1.
Ref:=1967MmRAS..71...49G
byGOWER J.F.R. , SCOTT P.F., WILLS D.
 Mem. R. Astron. Soc., 71, 49-144 (1967)
  A survey of radio sources in the declination ranges -07 to 20 and 40 to 80.
o<4C +DD.NN> N=3624.
=E=Catalogue in electronic form as VIII/4
Originof the Acronym: A = Assigned by the author(s)