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Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
Target Name (resolved by Sesame) or Position:
 Target dimension:
NB: The epoch used for the query is the original epoch of the table(s)Radius Box size

  
J/A+AS/128/507
  The Hamburg Quasar Survey. II. (Engels+ 1998)
ReadMe+ftp
1998A&AS..128..507E
Similar Catalogs
spectrum
Post annotation 		img(gal)
1.J/A+AS/128/507/table2-4Names, coordinates, redshift, observing dates, B magnitudes and comments (122 rows)

Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - )
ShowSortColumn  Constraint Explain   (UCD)
  recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  Name (char) Object Name (meta.id;meta.main)
  RA1950 "h:m:s" (i) Right ascension (1950) (pos.eq.ra;meta.main)
  DE1950 "d:m:s" (i) Declination (1950) (pos.eq.dec;meta.main)
  z  Redshift (src.redshift)
  ObsDate "Y:M:D" (n)Observing date (time.epoch)
  Bmag mag B magnitude (phot.mag;em.opt.B)
  spFile (char) Name of file (in this directory) containing the spectrum (meta.id;meta.file)
spectrum
  Com (char) Comments (meta.note)
  _RA.icrs "h:m:s" (n)(i) Right ascension (ICRS) (computed by VizieR, not part of the original data) (pos.eq.ra)
  _DE.icrs "d:m:s" (n)(i) Declination (ICRS) (computed by VizieR, not part of the original data) (pos.eq.dec)

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