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II/156A
  IRAS Faint Source Catalog, |b| > 10, Version 2.0 (Moshir+ 1989)
ReadMe+ftp
1990IRASF.C......0M
Similar Catalogs
Post annotation 		img(gal)
1.II/156A/main(c)IRAS Faint Sources (173044 rows)
2.II/156A/assocAssociations (235935 rows)

Simple ConstraintList Of Constraints
 
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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)
   (ALL)IRAS (char) (i) IRAS faint source name (starts by F) (meta.id;meta.main)
  (1)RA1950 "h:m:s" (i) Hours RA, equinox 1950.0, epoch 1983.5 (pos.eq.ra;meta.main)
  (1)DE1950 "d:m:s" (i) Degrees Dec, equinox 1950.0, epoch 1983.5 (pos.eq.dec;meta.main)
  (1)Major arcsec Uncertainty ellipse major axis (stat.error)
  (1)Minor arcsec Uncertainty ellipse minor axis (stat.error)
  (1)PosAng deg Uncertainty ellipse position angle (stat.error;pos.posAng)
  (1)o_Fnu12  (n) Number of times observed at 12um (meta.number)
  (1)Fnu12 Jy Non-color corrected flux density at 12um (phot.flux.density;em.IR.8-15um)
  (1)e_Fnu12 % Relative flux density uncertainty at 12um (stat.error)
  (1)q_Fnu12  Flux density quality at 12um (meta.code.qual)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)o_Fnu25  (n) Number of times observed at 25um (meta.number)
  (1)Fnu25 Jy Non-color corrected flux density at 25um (phot.flux.density;em.IR.15-30um)
  (1)e_Fnu25 % Relative flux density uncertainty at 25um (stat.error)
  (1)q_Fnu25  Flux density quality at 25um (meta.code.qual)
  (1)o_Fnu60  (n) Number of times observed at 60um (meta.number)
  (1)Fnu60 Jy Non-color corrected flux density at 60um (phot.flux.density;em.IR.30-60um)
  (1)e_Fnu60 % Relative flux density uncertainty at 60um (stat.error)
  (1)q_Fnu60  Flux density quality at 60um (meta.code.qual)
  (1)o_Fnu100  (n) Number of times observed at 100um (meta.number)
  (1)Fnu100 Jy Non-color corrected flux density at 100um (phot.flux.density;em.IR.60-100um)
  (1)e_Fnu100 % Relative flux density uncertainty at 100um (stat.error)
  (1)q_Fnu100  Flux density quality at 100um (meta.code.qual)
  (1)Rel % Percent minimum source reliability (meta.code.error)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)SNR12  (n) Signal/Noise ratio at 12um (stat.snr)
  (1)SNR25  (n) Signal/Noise ratio at 25um (stat.snr)
  (1)SNR60  (n) Signal/Noise ratio at 60um (stat.snr)
  (1)SNR100  (n) Signal/Noise ratio at 100um (stat.snr)
  (1)locSNR12  (n) Local Signal/Noise ratio at 12um (stat.snr)
  (1)locSNR25  (n) Local Signal/Noise ratio at 25um (stat.snr)
  (1)locSNR60  (n) Local Signal/Noise ratio at 60um (stat.snr)
  (1)locSNR100  (n) Local Signal/Noise ratio at 100um (stat.snr)
  (1)A12 pix (n) Number of pixels above threshold at 12um (phys.angSize)
  (1)A25 pix (n) Number of pixels above threshold at 25um (phys.angSize)
  (1)A60 pix (n) Number of pixels above threshold at 60um (phys.angSize)
  (1)A100 pix (n) Number of pixels above threshold at 100um (phys.angSize)
  (1)Ncat  Number of nearby catalog sources (6') (meta.number)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)Nx12  Number of nearby extractions at 12 um (meta.number)
  (1)Nx25  Number of nearby extractions at 25 um (meta.number)
  (1)Nx60  Number of nearby extractions at 60 um (meta.number)
  (1)Nx100  Number of nearby extractions at 100 um (meta.number)
  (1)Cir1  Number of nearby 100 um-only extractions (meta.number)
  (1)Conf  Confusion flag, 1 per band, bit-encoded (Note 1)   (meta.code)
  (1)NoisC12  (n) Noise correction factor at 12um (instr.det.noise)
  (1)NoisC25  (n) Noise correction factor at 25um (instr.det.noise)
  (1)NoisC60  (n) Noise correction factor at 60um (instr.det.noise)
  (1)NoisC100  (n) Noise correction factor at 100um (instr.det.noise)
  (1)nID  (n) Number of positional associations (meta.number)
  (1)Type  (n) Type of associated object (Note G1)   (src.class)
  (1)NoisR12  (n) Ratio of 85% to 68% quantiles of flux distribution at 12um (phot.flux;arith.ratio)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)NoisR25  (n) Ratio of 85% to 68% quantiles of flux distribution at 25um (phot.flux;arith.ratio)
  (1)NoisR60  (n) Ratio of 85% to 68% quantiles of flux distribution at 60um (phot.flux;arith.ratio)
  (1)NoisR100  (n) Ratio of 85% to 68% quantiles of flux distribution at 100um (phot.flux;arith.ratio)
  (2)catID  Catalog number, details in file "meaning.txt" (meta.id;meta.dataset)
  (2)Source (char) Source identification (meta.id.assoc)
  (2)Type (char) Source type or spectral class, or association catalog type (Note G1)   (meta.note)
  (2)Dist arcsec Distance of IRAS source to association (pos.angDistance)
  (2)dPA deg Position angle from IRAS source to association (pos.posAng)
  (2)dMaj arcsec Distance from IRAS source to association along major axis of IRAS uncertainty ellipse (pos.angDistance)
  (2)dMin arcsec Distance from IRAS source to association along minor axis of IRAS uncertainty ellipse (pos.angDistance)
  (2)Field1  (n) Object data field 1, catalog dependent (meta.note)
  (2)Field2  (n) Object data field 2, catalog dependent (meta.note)
  (2)Field3  (n) Object data field 3, catalog dependent (meta.note)

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