VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .

VizieR

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+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/table1(c)General characteristics of galaxies (74 rows)
2.J/A+A/546/A122/tablebHβ parameters (71 rows)
3.J/A+A/546/A122/tableaEmission line intensities (1767 rows)
4.J/A+A/546/A122/tablecIonic and total heavy element abundances (1101 rows)

Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - )
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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)Sam (char) [abc] Sample (Note 1)   (src.sample)
   (ALL)Galaxy (char) (i) Galaxy name (meta.id;meta.main)
  (1)RAJ2000 "h:m:s" (i) Right ascension (J2000) (pos.eq.ra;meta.main)
  (1)DEJ2000 "d:m:s" (i) Declination (J2000) (pos.eq.dec;meta.main)
  (1)z  Redshift (src.redshift)
  (1)Dist Mpc Distance (pos.distance;pos.heliocentric)
  (1)Band (char) [Bg] Band (SDSS g or B) (instr.bandpass)
  (1)mag mag B or g magnitude (phot.mag)
  (1)e_mag mag rms uncertainty on mag (stat.error;phot.mag)
  (1)OName (char) Other names (meta.id)

ALL cols		    
 (i)indexed column
  (1)Ref  (n) Reference (Note 2)   (meta.ref;pos.frame)
  (1)Sloan (char) Display the SDSS data for this galaxy (meta.ref.url)
  (1)SimbadName (char) Designation understandable by the Simbad data-base (meta.id)
  (1)NED (char) ask the NED data-base about this object (meta.ref)
  (2)C(Hb)  Hβ extinction coefficient (phys.absorption)
  (2)F(Hb) 10-19W/m2Uncorrected Hβ flux (phot.flux;em.line.Hbeta)
  (2)EW(Hb) 0.1nm Hβ equivalent width (spect.line.eqWidth;em.line.Hbeta)
  (2)EW(abs) 0.1nm Equivalent width of the hydrogen absorption stellar lines (spect.line.eqWidth)
  (3)lambda 0.1nm Wavelength (em.wl)
  (3)Ion (char) Ion designation (phys.atmol.ionStage)
  (3)I(lambda)  (n) Emission line intensity [I(Hβ)=100] (spect.line.intensity;arith.ratio)
  (3)e_I(lambda)  (n) rms uncertainty on I(lambda) (stat.error)
  (4)Met (char) [ab] Method: a=direct, b=semi-empirical (meta.note)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (4)Param (char) Property name (meta.id;stat.fit.param)
  (4)Value  Param value (stat.value)
  (4)e_Value  (n) rms uncertainty on value (stat.error;stat.value)

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