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VizieR

Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
Target Name (resolved by Sesame) or Position:

  		 Target dimension:

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J/ApJS/194/25
  The VLBA calibrator search for the BeSSeL survey (Immer+, 2011)
ReadMe+ftp
2011ApJS..194...25I
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJS/194/25/table2(c)Detected sources (199 rows)
2.J/ApJS/194/25/table3(c)*Undetected sources (Note) (1330 rows)
Help Xmatch is

Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - )
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Column  Constraint Explain   (UCD)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
   (ALL)[IBR2011] (char) The J2000 source name; JHHMM+DDMM (meta.id;meta.main)
  (1)f_[IBR2011] (char) [*] Averaged source position (Note 1)   (meta.code)
   (ALL)RAJ2000 "h:m:s" (i) Hour of Right Ascension (J2000) (pos.eq.ra;meta.main)
  (1)e_RAJ2000 mas (n) 1σ uncertainty in RA (Note 2)   (stat.error;pos.eq.ra)
   (ALL)DEJ2000 "d:m:s" (i) Degree of Declination (J2000) (pos.eq.dec;meta.main)
  (1)e_DEJ2000 mas (n) 1σ uncertainty in DE (Note 2)   (stat.error;pos.eq.dec)
  (1)Grade (char) [A-F] Compactness grade (Note 3)   (meta.code.error)
   (ALL)Flux Jy (n) Flux density (phot.flux.density;em.radio)
  (1)Nobs  Number of observations (meta.number)
   (ALL)NVSS  (n)Number of NVSS sources within 30arcsec (meta.number)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
   (ALL)Sp  (n)Number of SPECFIND sources within 30arcsec (Vollmer et al. 2009, Cat. VIII/85) (meta.number)
  (1)Simbad (char) ask the Simbad data-base about this object (meta.ref)
  (2)ePos arcsec 1σ positional error (Note 1)   (stat.error;pos)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
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