CDS.headStuff2 Dictionary of Nomenclature of Celestial Objects
(Last update: 22-Mar-2024)
Result of query: info cati ICRF$

Details on Acronym:   ICRF
  
ICRF (International Celestial Reference Frame)= (ICRS) = ICRF2
Write:<<ICRF JHHMMSS.s+DDMMSS>>
N: 212+396+109+3414+4536
Object:Extragalactic (Rad)  (SIMBAD class: Radio = Radio Source)