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I/305
  The Guide Star Catalog, Version 2.3.2 (GSC2.3) (STScI, 2006)
ReadMe+ftp
2008AJ....136..735L
Similar Catalogs
Post annotation 		img(gal)
1.I/305/outThe Full GSC2.3.2 Catalogue (945592683 objects) (945592683 rows)
This version of the GSC-II has no proper motions, but the limits on brightness which existed on GSC2.2 (F<18.5, Bj<19.5) were removed.

Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - )
Standard Original
ShowSortColumn  Constraint Explain   (UCD)
  GSC2.3 (char) (n)(i) [NS0-9A-Z] Identification of the object (Note 1)   (meta.id;meta.main)
  GSC1 (char) Identification in GSC Version 1 (Cat. I/254) (meta.note)
  HTM6 (char) [NS0-3] HTM-6 designation as in GSC2.2 (Note 1)   (obs.field)
  RAJ2000 deg (i) Right Ascension (J2000), at "Epoch" (pos.eq.ra;meta.main)
  DEJ2000 deg (i) Declination in (J2000), at "Epoch" (pos.eq.dec;meta.main)
  e_RAJ2000 arcsec Mean error on RAdeg (Note 2)   (stat.error;pos.eq.ra)
  e_DEJ2000 arcsec Mean error on DEdeg (Note 2)   (stat.error;pos.eq.dec)
  Epoch yr Epoch of the position (time.epoch)
  Fmag mag (n)(i) Magnitude in F photographic band (red) (phot.mag;em.opt.R)
  e_Fmag mag (n) Mean error on Fmag (stat.error;phot.mag)
  n_Fmag  (n) Coded emulsion / bandpass / filter (Note 2)   (meta.note)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  jmag mag (n)(i) Magnitude in Bj photographic band (blue) (phot.mag;em.opt.B)
  e_jmag mag (n) Mean error on jmag (stat.error;phot.mag)
  n_jmag  (n) Coded emulsion / bandpass / filter (Note 2)   (meta.note)
  Vmag mag (n)(i) Magnitude in V photographic band (green) (phot.mag;em.opt.V)
  e_Vmag mag (n) Mean error on Vmag (stat.error;phot.mag;em.opt.V)
  n_Vmag  (n) Coded emulsion / bandpass / filter (Note 2)   (meta.note)
  Nmag mag (n)(i) Magnitude in N photographic band (0.8µm) (phot.mag;em.IR.8-15um)
  e_Nmag mag (n) Mean error on Nmag (stat.error;phot.mag;em.IR.8-15um)
  n_Nmag  (n) Coded emulsion / bandpass / filter (Note 2)   (meta.note)
  Umag mag (n) Magnitude in U band (Johnson) (phot.mag;em.opt.U)
  e_Umag mag (n) Mean error on Umag (stat.error;phot.mag;em.opt.U)
  n_Umag  (n) Coded emulsion / bandpass / filter (Note 2)   (meta.note)
  Bmag mag (n) Magnitude in B band (Johnson blue) (phot.mag;em.opt.B)
  e_Bmag mag (n) Mean error on Bmag (stat.error;phot.mag;em.opt.B)
  n_Bmag  (n) Coded emulsion / bandpass / filter (Note 2)   (meta.note)
  Class   [0,5] Object class (Note 3)   (meta.code.class)
  Status  Source status flag (Note 4)   (meta.code.error)
  M (char) [M] 'M' for multiple object (Note 5)   (phot.mag;em.IR.4-8um)
  a pix (n) Semi-major axis of fitting ellipse (phys.angSize;src)
  e  (n) Eccentricity of fitting ellipse (src.orbital.eccentricity)
  aPA deg (n) Position angle (N->E) of fitting ellipse (pos.posAng)

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