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Catalog Selection Page

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

Target dimension:

Radius Box size

 Shape parameters for 650 open clusters (Kharchenko+, 2009)
Post annotation
1.J/A+A/495/807/tableEllipticities and orientation angles for 650 open clusters (650 rows)

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)
  COCD   [1/1130] COCD number (1-520, 1001-1130) (;meta.main)
  Name (char) Cluster designation (NGC, IC or other) (
  GLON deg Galactic longitude (pos.galactic.lon)
  GLAT deg Galactic latitude (
  lambda deg Aspect angle in Galactic longitude (Note 1)   (pos.eq)
  beta deg Aspect angle in Galactic latitude (Note 1)   (pos.eq)
  m-M mag Distance modulus (phot.mag.distMod)
  E(B-V) mag Colour-excess (phot.color.excess)
  Dist pc Distance (pos.distance;pos.galactocentric)
  logt [yr] Logarithm of age (time.age)

ALL cols
  r2 pc Linear cluster radius (phys.size.radius)
  n2  Number of the most probable cluster members (meta.number)
  e  Ellipticity (src.ellipticity)
  e_e  rms error of the ellipticity (stat.error)
  q deg Orientation angle between the Galactic plane and the largest principal axis of the ellipse (pos.posAng)
  e_q deg rms error of the orientation angle (stat.error)
  SimbadName (char) Designation understandable by the Simbad data-base (
  _RA.icrs deg (n)Right ascension (ICRS) (computed by VizieR, not part of the original data) (pos.eq.ra)
  _DE.icrs deg (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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Display your selection only Reset to default columns
usage  Display UCD1+    UCD1  

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**** -bg is an obsolete option
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