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Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
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J/ApJS/109/367
 4C 23.56 field deep imaging (Knopp+ 1997)
ReadMe+ftp
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJS/109/367/table4Photometry of 4C 23.56 field sources (116 rows)

Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - )
ShowSortColumn  Constraint Explain   (UCD)
  recno  Record number within the original table (starting from 1) (meta.record)
  Seq   [1/117] Source sequential number (meta.id;meta.main)
  RA2000 "h:m:s" Right ascension (2000) (pos.eq.ra;meta.main)
  DE2000 "d:m:s" Declination (2000) (pos.eq.dec;meta.main)
  l_U'mag (char) Limit flag on U'mag (meta.code.error)
  U'mag mag U' magnitude (3402Å) (phot.mag;em.opt.U)
  e_U'mag mag (n) rms uncertainty on U'mag (stat.error)
  n_U'mag (char) [sof] Note on U'mag (Note 1)   (meta.note)
  l_NB (char) Limit flag on NB (meta.code.error)
  NB mag Narrow band magnitude (4229Å) in AB magnitude (Note 2)   (phot.mag;em.opt)
  e_NB mag (n) rms uncertainty on NB in AB magnitude (Note 2)   (stat.error)

ALL cols		    
(n) indicates a possible blank or NULL column  
  n_NB (char) [sof] Note on NB (Note 1)   (meta.note)
  l_Vmag (char) Limit flag on Vmag (meta.code.error)
  Vmag mag V magnitude (5457Å) (phot.mag;em.opt.V)
  e_Vmag mag (n) rms uncertainty on Vmag (stat.error)
  n_Vmag (char) [sof] Note on Vmag (Note 1)   (meta.note)
  l_Imag (char) Limit flag on Imag (meta.code.error)
  Imag mag I magnitude (8300Å) (phot.mag;em.opt.I)
  e_Imag mag (n) rms uncertainty on Imag (stat.error)
  n_Imag (char) [sof] Note on Imag (Note 1)   (meta.note)
  l_K'mag (char) Limit flag on K'mag (meta.code.error)
  K'mag mag K' magnitude (21100Å) (phot.mag;em.IR.K)
  e_K'mag mag (n) rms uncertainty on K'mag (stat.error)
  n_K'mag (char) [sof] Note on K'mag (Note 1)   (meta.note)
  Class (char) Classification (Note 3)   (src.class)

ALL cols		    
(n) indicates a possible blank or NULL column  
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usage  Display UCD1+    UCD1  

The following problems were encountered in this VizieR run:
**** -bg is an obsolete option
**** -bg is an obsolete option
**** -bg is an obsolete option
If you can't find a solution, report to CDS and insert into your message the following details:

.errorfile=/tmp/VR31738.err (2013-05-21T13:35:40)
-2
-source=J/ApJS/109/367
-ref=VIZ519b782c7bfa
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