Dictionary of Nomenclature of Celestial Objects
(Last update: 26-Sep-2023)

Result of query: info cati VCS4$

Details on Acronym:   VCS4
  
VCS4   (Very long baseline array Calibrator Survey, 4)
 Write:<<VCS4  JHHMM+DDMM>>
 N:  258
Object:(Rad)  (SIMBAD class: Radio = Radio Source)
  Stat:is completely incorporated in Simbad
  Note:Fourth  extension to the VCS1 catalog.
    See also IVS.
   Ref:=2006AJ....131.1872P
     byPETROV L.
, KOVALEV Y.Y., FOMALONT E.B., GORDON D.
 Astron. J., 131, 1872-1879 (2006)

    The fourth VLBA calibrator survey: VCS4.

oTable 2, col(2): <IVS BHHMM+DDd> N=258 = Table 2, col(3): <VCS3    JHHMM+DDMM> N=258.
=E=Catalogue in electronic form as J/AJ/131/1872
 Originof the Acronym: A = Assigned by the author(s)