Dictionary of Nomenclature of Celestial Objects
(Last update: 22-Jun-2017)

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 Object:Extragalactic (Rad)  (SIMBAD class: Radio = Radio-source) Note:The IAU Working Group on Reference Frames has elaborated a reference frame of 610 extragalactic radio-sources to be recommended by the IAU in 1997 as the materialisation of the barycentric J2000.0 International Celestial Reference System (ICRS, see 1995A&A...303..604A).
New designations have been given to the objects in the frame following the recommendations of the IAU TG on Designations.
The coordinates will be published by April 1997 in a publication issued by the Working Group on Reference Frames.
1998AJ....116..516M: 1st ref. with ICRF objects.
See also IERS. Ref:=1998AJ....116..516M byMA C. , ARIAS E.F., EUBANKS T.M., FEY A.L., GONTIER A.-M., JACOBS C.S., SOVERS O.J., ARCHINAL B.A., CHARLOT P. Astron. J., 116, 516-546 (1998) The International Celestial Reference Frame as realized by very long baseline interferometry. oTables 3, 4: <ICRF JHHMMSS.s+DDMMSS> = <IERS BHHMM+DDd> N=212+396. Ref:=2004AJ....127.3587F byFEY A.L. , MA C., ARIAS E.F., CHARLOT P., FEISSEL-VERNIER M., GONTIER A.-M., JACOBS C.S., LI J., MacMILLAN D.S. Astron. J., 127, 3587-3608 (2004) The second extension of the international celestial reference frame: ICRF-EXT.1. oTable 1: <ICRF JHHMMSS.s+DDMMSS> N=109. Ref:=2013yCat.1323....0M byMA C. , ARIAS F.E., BIANCO G., BOBOLTZ D.A., BOLOTIN S.L., CHARLOT P., ENGELHARDT G., FEY A.L., GAUME R.A., GONTIER A.-M., HEINKELMANN R., JACOBS C.S., KURDUBOV S., LAMBERT S.B., MALKIN Z.M., NOTHNAGEL A., PETROV L., SKURIKHINA E., SOKOLOVA J.R., SOUCHAY J., SOVERS O.J., TESMER V., TITOV O.A., WANG G., ZHAROV V.E., BARACHE C., BOCKMANN S., COLLIOUD A., GIPSON J.M., GORDON D., LYTVYN S.O., MacMILLAN D.S., OJHA R., FEY A.L., GORDON D., JACOBS C.S. CDS/ADC Collection of Electronic Catalogues, 1323, 0 (2013) International Celestial Reference Frame 2, ICRF2. o<ICRF JHHMMSS.s+DDMMSS> N=3414. =E=Catalogue in electronic form as I/251 =E=Catalogue in electronic form as J/AJ/127/3587 =E=Catalogue in electronic form as I/323 Originof the Acronym: A = Assigned by the author(s)
Details on Acronym:   ICRF2
   ICRF2 (International Celestial Reference Frame 2) ====>Equivalent to: ICRF Originof the Acronym: A = Assigned by the author(s)
Details on Acronym:   ICRS
   ICRS (International Celestial Reference System) ***** Avoid the usage of ICRS, prefer ICRF Originof the Acronym: L = Found in the literature

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