Dictionary of Nomenclature of Celestial Objects
(Last update: 17-Mar-2023)

Result of query: info cati S2$

Details on Acronym:   GC
  
GC     (Green Bank Catalog)
  ***** Avoid the usage of GC,  prefer S2
 Originof the Acronym: A = Assigned by the author(s)

Details on Acronym:   S2
  
S2     (Strong Source, list 2)= (GC) 
 Write:<<S2  HHMM+DD>>  

        <<S2  HHMM+DDd>>
 N:  218
Object:(Rad)  (SIMBAD class: Radio = Radio Source)
  Note:Second 'Strong source' survey
    Table II: N=218.    The N=27 sources with an asterisk, are S1 sources.
   Ref:=1972AJ.....77..265P
     byPAULINY-TOTH I.I.K.
, KELLERMANN K.I., DAVIS M.M., FOMALONT E.B., SHAFFER D.B.
 Astron. J., 77, 265-284 (1972)

    The NRAO 5-GHz radio source survey. II. The 140-ft "Strong",
    "Intermediate", and "Deep" source surveys.
oTable II: <S1 HHMM+DD> N=27, <S2 HHMM+DD>, <S2 HHMM+DDd> N=218. Table    III: <I HHMM+DD>, <I HHMM+DDd> N=72
 Originof the Acronym: A = Assigned by the author(s)