Dictionary of Nomenclature of Celestial Objects
(Last update: 15-Sep-2023)

Result of query: info cati GB3$

Details on Acronym:   GB
  
GB     (Green Bank obs.)
  ***** Avoid the usage of GB,  prefer GB3

Details on Acronym:   GB3
  
GB3    (Green Bank obs., 3rd survey)= (GB) 
 Write:<<GB3  HHMM+DDd>>
 N:  502+174
Object:(Rad)  (SIMBAD class: Radio = Radio Source)
  Stat:is completely incorporated in Simbad
  Note:Table 1: N=502, GB3 radio-sources stronger than 112 mJy.    Table 2: N=174, other sources reliably detected.    Survey at 20cm.
   Ref:=1987AcA....37..163R
     byRYS S.
, MACHALSKI J.
 Acta Astron., 37, 163-178 (1987)

    The Green Bank third (GB3) survey of extragalactic radiosources at
    1400 MHz.
oTables 1, 2: <GB3 HHMM+DDd> N=502+174
=E=Catalogue in electronic form as VIII/53
 Originof the Acronym: A = Assigned by the author(s)