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Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
Target Name (resolved by Sesame) or Position:

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II/20
 UBV Photometry of O & B Stars in Vela (Denoyelle 1977)
ReadMe+ftp
Similar Catalogs
Post annotation 		img(gal)
1.II/20/dataData (381 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)
  rec  (n) Record number (if several records for star) (meta.record)
  Seq  Running number (meta.id;meta.main)
  HD  (n) HD number (meta.id)
  CPD (char) Cape Photographic Durch. (or CD) (meta.id)
  n_CPD (char) [ *] * = CPDzone,num are from Cordoba Durch. (meta.note)
  RA1950 "h:m:s" Right Ascension (1950) hours (pos.eq.ra;meta.main)
  DE1950 "d:m:s" Declination (1950) degrees (pos.eq.dec;meta.main)
  GLON deg Galactic longitude (pos.galactic.lon)
  GLAT deg Galactic latitude (pos.galactic.lat)
  Vmag mag (n) V magnitude (Note)   (phot.mag;em.opt.V)

ALL cols		    
(n) indicates a possible blank or NULL column  
  u_Vmag (char) [ ()] Uncertainty flag for V (meta.code.error)
  B-V mag (n) (B-V) color index (Note)   (phot.color;em.opt.B;em.opt.V)
  u_B-V (char) [ (] Uncertainty flag for B-V (meta.code.error;phot.color;em.opt.B)
  U-B mag (n) (U-B) color index (Note)   (phot.color;em.opt.U;em.opt.B)
  u_U-B (char) [ (] Uncertainty flag for U-B (meta.code.error;phot.color;em.opt.U)
  Sp (char) MK or HD spectral classification (src.spType)
  ref  (n) [1,8] Number of the source for MK Dp. (meta.number)
  Emission (char) [ E] E = Halpha emission noted on red plates (meta.note)
  Sp2 (char) Spectral type obtained from Q method (src.spType)
  Q mag Q parameter (Note)   (phot.color.reddFree)
  E(B-V) mag (B-V) colour excess (phot.color.excess)
  A(V) mag A(V) parameter (Note)   (phys.absorption)
  m-M mag Distance modulus (phot.mag.distMod)
  R pc Distance of the star (pos.distance)
  Z pc Distance from the galactic plane (Note)   (pos.cartesian.z;pos.galactic)
  Nobs  Number of observations (meta.number)
  rem (char) [ *] * = Comment exists for this star (meta.note)
  _RA.icrs "h:m:s" (n)Right ascension (ICRS) (computed by VizieR, not part of the original data) (pos.eq.ra)
  _DE.icrs "d:m:s" (n)Declination (ICRS) (computed by VizieR, not part of the original data) (pos.eq.dec)

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/VR28183.err (2013-06-20T11:27:12)
-2
-source=II/20
-ref=VIZ51c2e7106e17
elapse time 0
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