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Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
Target Name (resolved by Sesame) or Position:
Target dimension:
NB: The epoch used for the query is the original epoch of the table(s)Radius Box size

  Members of 5 cluster in Ori OB1a association (Kos+, 2019)
Post annotation
1.J/A+A/631/A166/table1(c)Parameters used in the final step of the clustering algorithm (5 rows)
2.J/A+A/631/A166/tableb1(c)Members of ASCC 16 (644 rows)
3.J/A+A/631/A166/tableb2(c)Members of ASCC 21 (254 rows)
4.J/A+A/631/A166/tableb3(c)Members of ASCC 21a (264 rows)
5.J/A+A/631/A166/tableb4(c)Members of ASCC 20 (218 rows)
6.J/A+A/631/A166/tableb5(c)Members of ASCC 18 (141 rows)
Help Xmatch is

Query by Constraints constraints help applied on Columns (Output Order: + - )
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Column  Constraint Explain   (UCD)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  (1)Cluster (char) Cluster name (;meta.main)
   (ALL)RA_ICRS deg (i) Right ascension (ICRS) at Ep=2015.5 (pos.eq.ra;meta.main)
   (ALL)DE_ICRS deg (i) Declination (ICRS) at Ep=2015.5 (pos.eq.dec;meta.main)
  (1)r deg Radius enclosing 50% of the stars (phys.angSize)
   (ALL)pmRA* mas/yr Proper motion along RA, pmnRA*cosDE (;pos.eq.ra)
   (ALL)pmDE mas/yr Proper motion along DE (;pos.eq.dec)
   (ALL)Plx mas Absolute parallax (pos.parallax.trig)
   (ALL)RV km/s Radial velocity (phys.veloc;pos.heliocentric)
  (1)sigma km/s Velocity dispersion (phys.veloc.dispersion)
  (1)Age Myr Age (time.age)

ALL cols
 (i)indexed column
  (1)e_Age Myr rms uncertainty on Age (stat.error;time.age)
  (1)Nstar  Number of stars (meta.number)
  (1)NstarRV  Number of stars with known radial velocities (meta.number)
  (1)SimbadName (char) Designation understandable by the Simbad data-base (
   (ALL)_RA.icrs deg (n)(i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra)
   (ALL)_DE.icrs deg (n)(i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec)
  (2+3+4+5+6)Gaia  Gaia DR2 id (source_id) (
  (2+3+4+5+6)e_pmRA* mas/yr rms uncertainty on pmRA* (stat.error;;pos.eq.ra)
  (2+3+4+5+6)e_pmDE mas/yr rms uncertainty on pmDE (stat.error;;pos.eq.dec)
  (2+3+4+5+6)e_Plx mas rms uncertainty on Plx (stat.error;pos.parallax)
  (2+3+4+5+6)e_RV km/s (n) rms uncertainty on RV (stat.error)
  (2+3+4+5+6)Simbad (char) ask the Simbad data-base about this object (meta.ref.url)

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