Dictionary of Nomenclature of Celestial Objects
(Last update: 02-Nov-2023)

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) 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. yCat, 1323, 0 (2013) International Celestial Reference Frame 2, ICRF2. o<ICRF JHHMMSS.s+DDMMSS> N=3414. Ref:=2020A&A...644A.159C byCHARLOT P. , JACOBS C.S., GORDON D., LAMBERT S., DE WITT A., BOHM J., FEY A.L., HEINKELMANN R., SKURIKHINA E., TITOV O., ARIAS E.F., BOLOTIN S., BOURDA G., MA C., MALKIN Z., NOTHNAGEL A., MAYER D., MacMILLAN D.S., NILSSON T., GAUME R. Astron. Astrophys., 644A, 159-159 (2020) The third realization of the International Celestial Reference Frame by very long baseline interferometry. oTable 10: <ICRF JHHMMSS.s+DDMMSS> N=4536 = <IERS NHHMM+DDd> N=4536. =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 =E=Catalogue in electronic form as <J/A+A/644/A159/> 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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