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

  Plate Centers of POSS-II (Read, 2004)
Post annotation
1.VI/114/poss2List of plates observed for POSS2 (3589 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)
  Field  Survey Field number (;obs.field)
  Plate (char) Plate identification (;instr.plate)
  ObsY yr Observation date (UT) (mid-exposure) (Note 1)   (time.epoch;obs)
  RArad deg (i) Center in B1950 (right ascension) (pos.eq.ra;meta.main)
  DErad deg (i) Center in B1950 (declination) (pos.eq.dec;meta.main)
  Emuls (char) Plate emulsion (instr.plate.emulsion;instr.plate)
  Filter (char) Filter used with the exposure (instr.setup;instr.filter)
  Exp min (n) Exposure time (Note 2)   (time.duration;obs.exposure)
  HA "h:m:s" (n)Hour angle of the observation (mid-exposure) (pos.eq.ha;obs)
  HAs (char) [EW] Hour angle side (pos.eq.ha)
  Grade (char) Plate grade (from ROE log) (Note 3)   (meta.code.qual;instr.plate)
  POSS  Show plates of various colors/epochs at this position (meta.ref.url)
  _RA.icrs deg (n)(i) Right ascension (ICRS) (computed by VizieR, not part of the original data) (pos.eq.ra)
  _DE.icrs deg (n)(i) Declination (ICRS) (computed by VizieR, not part of the original data) (pos.eq.dec)

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