VizieR

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

  
J/A+AS/133/201
  Spectral class of unidentified IRAS sources (Iyengar+ 1998)
ReadMe+ftp
1998A&AS..133..201I
Similar Catalogs
Post annotation 		img(gal)
1.J/A+AS/133/201/table6Spectral type of IRAS unidentified sources which have quality-3 flux density data at 12, 25, and 60µm (155 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)
  IRAS (char) IRAS Point Source (Cat. II/125) name (meta.id)
  r_IRAS (char) Optional footnote to entry (Note 1)   (meta.ref;pos.frame)
  GLON deg Galactic longitude (pos.galactic.lon)
  GLAT deg Galactic latitude (pos.galactic.lat)
  SpT (char) Spectral type by DJM (Note 2)   (src.spType)
  [12] mag IRAS magnitude at 12 mum (phot.flux.density;em.IR.8-15um)
  [25] mag IRAS magnitude at 25 mum (phot.flux.density;em.IR.15-30um)
  [60] mag IRAS magnitude at 60 mum (phot.flux.density;em.IR.30-60um)
  [12]-[25] mag IRAS color (Note 3)   (phot.color;em.IR.8-15um;em.IR.15-30um)
  [25]-[60] mag IRAS color (Note 3)   (phot.color;em.IR.15-30um;em.IR.30-60um)
  Var % IRAS variability flag (meta.code;src.var;arith.ratio)
  LRS  (n) IRAS Low-Resolution Spectrometer flag (see Cat. III/197, Note (1)) (meta.ref;pos.frame)
  Simbad  ask the Simbad data-base about this object (meta.ref)
  _RA deg (i) Position, from IRAS Point-Source Catalog (II/125) (right ascension part) (pos.eq.ra;meta.main)
  _DE deg (i) Position, from IRAS Point-Source Catalog (II/125) (declination part) (pos.eq.dec;meta.main)

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