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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

  LAMOST DR4 catalogs (Luo+, 2018) Query spectra/fits /fits
Post annotation
1.V/153/dr4_planObserved plate information catalog (3461 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)
  PlateId  Plate ID (;instr.plate)
  ObsDate "Y:M:D" (n)Target Observation Date (time.epoch;obs)
  PlanId (char) Plan Name (obs.field)
  RA1 deg (i) Right Ascension of center star (J2000) (pos.eq.ra;meta.main)
  DE1 deg (i) Declination of center star (J2000) (pos.eq.dec;meta.main)
  mag1 mag Magnitude of the first exposure (phot.mag)
  Seeing  Seeing of the first exposure (instr.obsty.seeing;obs.exposure)
  ExpTime (char) s The total exposure time of n time exposures (time.duration;obs.exposure)
  MJM min Modified Julian Minute at the start time of each plate (time.epoch)

ALL cols
(n) indicates a possible blank or NULL column(i)indexed column
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usage  Display UCD1+    UCD1  
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