Dictionary of Nomenclature of Celestial Objects

 f B1020+400
Object:Extragalactic (Rad)  (SIMBAD class: Radio = Radio Source)
  Note:1998AJ....116..516M: 1st ref. with ICRF objects. See also ICRF
2010A&A...520A.113B: search for additional suitable radio sources for aligning the Gaia and VLBI frames. 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:=2010A&A...520A.113B byBOURDA G. , CHARLOT P., PORCAS R.W., GARRINGTON S.T. Astron. Astrophys., 520A, 113-113 (2010) VLBI observations of optically-bright extragalactic radio sources for the alignment of the radio frame with the future Gaia frame. I. Source detection. oTables 3-4: <IERS HHMM+DDd> N=398+49. =E=Catalogue in electronic form as I/251 =E=Catalogue in electronic form as J/A+A/520/A113
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