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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

  
J/A+AS/102/251
  Objective-prism survey of em. objects in M31 (Meyssonnier+ 1993)
ReadMe+ftp
1993A&AS..102..251M
Similar Catalogs
Post annotation 		img(gal)
1.J/A+AS/102/251/table3catalogue of 1312 emission-line objects in M31 (1312 rows)

Simple ConstraintList Of Constraints
 
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)
  Seq  Running number (meta.id;meta.main)
  u_Seq (char) [: ] existence flag, as: blank sure : doubtful :: very doubtful (meta.code.error)
  RA1950 "h:m:s" (i) Right Ascension 1950 (pos.eq.ra;meta.main)
  DE1950 "d:m:s" (i) Declination 1950 (pos.eq.dec;meta.main)
  Npos  number of position measurements (meta.number)
  u_Npos (char) Uncertainty flag on Npos, as blank coherent measurements : one measurement doubtful or impossible (meta.code.error)
  Names (char) other identifications (Note 1)   (meta.id)
  Nature (char) possible nature of the objects (if followed by "?", doubtful nature) (Note 2)   (src.class)
  _RA.icrs "h:m:s" (n)(i) Right ascension (ICRS) (computed by VizieR, not part of the original data) (pos.eq.ra)
  _DE.icrs "d:m:s" (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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