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CDS

VizieR

  
J/A+A/546/A122
  SDSS extremely metal-poor emission-line galaxies (Izotov+, 2012)
ReadMe+ftp
2012A&A...546A.122I
Similar Catalogs
Post annotation 		img(gal)
1.J/A+A/546/A122/tableaEmission line intensities (1767 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)
  Sam (char) Sample: a=3.5m APO, b=low-resolution MMT, c=medium-resolution MMT (meta.id)
  Galaxy (char) Galaxy name (meta.id;meta.main)
  lambda 0.1nm Wavelength (em.wl)
  Ion (char) Ion designation (phys.atmol.ionStage)
  I(lambda)  (n) Emission line intensity [I(Hβ)=100] (spect.line.intensity;arith.ratio)
  e_I(lambda)  (n) rms uncertainty on I(lambda) (stat.error)

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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