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  I/220
 The HST Guide Star Catalog, Version 1.1 (Lasker+ 1992)
gcoral3f This catalogue is obsoleted by I/254
Post annotation
img(gal)
1.I/220/outThe Full Catalogue (25258765 positions) (25258765 rows)
inputVizgsc.intro.htxignore-c=0+90

 
Query by Constraints constraints help applied on Columns (Output Order: + - )
ShowSortColumn  Constraint Explain   (UCD)
  GSC  GSC designation (Note)   (meta.id;meta.main)
  RAJ2000 deg Right ascention in J2000, epoch of plate (pos.eq.ra;meta.main)
  DEJ2000 deg Declination in J2000, epoch of plate (pos.eq.dec;meta.main)
  PosErr arcsec Mean error on position (stat.error)
  Pmag mag photographic magnitude (see n_Pmag) (phot.mag;em.opt)
  e_Pmag mag Mean error on photographic magnitude (stat.error)
  n_Pmag   [0,18] Coded passband for magnitude (Note)   (meta.note)
  Class   [0,3] Class of object (0=star; 3=non-stellar) (src.class)
  Plate (char) Plate designation (obs.field)
  Epoch yr Epoch of plate (time.epoch)
  Mult (char) [TF] True if multiple object / False otherwise (meta.code.multip)
  Versions  Get parameters of that star from all GSC versions (meta.ref)

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