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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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II/207A
  Palomar-Green catalog UV-excess stellar objects (Green+ 1986)
ReadMe+ftp
1986ApJS...61..305G
Similar Catalogs
Post annotation 		img(gal)
1.II/207A/catalogPalomar-Green Survey Data (original catalog completed by accurate positions) (Note) (1878 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)
  PG (char) PG name, as in file "catalog.dat" (meta.id;meta.main)
  s (char) [BbCgLMSsTU?-] Source of position (Note 1)   (meta.ref;pos.frame)
  Vmag1 mag (n) V or U magnitude rounded to 0.1mag (blank for the 2 lost stars) (phot.mag;em.opt.V)
  n_Vmag1 (char) [VU] Filter of Vmag1 (meta.note)
  Class1 (char) Spectral classification, mainly from catalog.dat file. (spect.index)
  Comment1 (char) cross-identifications and comments from B. Skiff (meta.id.cross)
  RA50 "h:m:s" Published Right Ascension 1950 (pos.eq.ra)
  DE50 "d:m:s" Published Declination 1950 (pos.eq.dec)
  Pmag mag Photographic magnitude, accuracy 0.29mag (phot.mag;em.opt)
  Blim mag (n) []? Limiting magnitude of field (2) (Note 2)   (phot.mag)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  Comment (char) Other names, redshift or spectral type (Note 3)   (meta.id)
  Class (char) Spectral classification (src.spType)
  n_Class (char) [*] a high dispersion spectrum exists (meta.note)
  Bmag mag (n) Photoelectic Johnson's magnitude (phot.mag;em.opt.B)
  u_Bmag (char) Uncertainty flag (:) on Bmag (meta.code.error)
  U-B mag (n) Photoelectic Johnson's colour index (phot.color;em.opt.U;em.opt.B)
  u_U-B (char) Uncertainty flag (:) on U-B (meta.code.error;phot.color;em.opt.U)
  B-V mag (n) Photoelectic Johnson's colour index (phot.color;em.opt.B;em.opt.V)
  vmag mag (n) Palomar photometric index (Note 4)   (phot.mag;em.opt.V)
  u_vmag (char) Uncertainty flag (:) on vmag (meta.code.error)
  u-v mag (n) Palomar photometric index (Note 4)   (phot.color;em.opt.U;em.opt.V)
  u_u-v (char) Uncertainty flag (:) on u-v (meta.code.error;phot.color;em.opt.U)
  b-v mag (n) Palomar photometric index (Note 4)   (phot.color;em.opt.B;em.opt.V)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  g-r mag (n) Palomar photometric index (Note 4)   (phot.color;em.opt.V;em.opt.R)
  Vmag mag (n) V magnitude in Stroemgren system (Note 5)   (phot.mag;em.opt.B)
  b-y mag (n) Colour in Stroemgren system (Note 5)   (phot.color;em.opt.B;em.opt.V)
  u_b-y (char) Uncertainty flag (:) on b-y (meta.code.error;phot.color;em.opt.B)
  u-b mag (n) Colour in Stroemgren system (Note 5)   (phot.color;em.opt.U;em.opt.B)
  u_u-b (char) Uncertainty flag (:) on u-b (meta.code.error;phot.color;em.opt.U)
  m1 mag (n) Index (v-b)-(b-y) in Stroemgren system (Note 5)   (phot.color)
  Refs (char) [0-9, ] References (Note 6)   (meta.bib)
  Simbad  ask the Simbad data-base about this object (meta.ref.url)
  RAJ2000 "h:m:s" (i) Right Ascension J2000 (pos.eq.ra;meta.main)
  DEJ2000 "d:m:s" (i) Declination J2000 (pos.eq.dec;meta.main)

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