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Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
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J/AJ/128/2170
  Hα imaging of irregular galaxies (Hunter+, 2004)
ReadMe+ftp
2004AJ....128.2170H
Similar Catalogs
Post annotation 		img(gal)
1.J/AJ/128/2170/galaxies(c)Observed and derived parameters of the studied irregular galaxies (tables 3 and 4 of the paper) (140 rows)
2.J/AJ/128/2170/refsReferences (25 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)
  (1)MType (char) Galaxy type
  (1)Name (char) Galaxy name
  (1)logHa [10-7W] Logarithm of the reddening-corrected Hα luminosity
  (1)e_logHa [10-7W] (n) Error in logHa
  (1)logMd [solMass/yr](n) Logarithm of the star formation rate
  (1)logM25 [solMass/yr/kpc2](n) Logarithm of the integrated star formation rate normalized to the area of the galaxy within R25
  (1)logMD [solMass/yr/kpc2](n) Logarithm of the integrated star formation rate normalized to the area of the galaxy within RD
  (1)logtau [yr] (n) Logarithm of the time to exhaust the total current galaxy gas content at the current star formation rate
  (1)RHa arcmin (n) Semimajor axis of largest ellipse that contains Hα emission (Note 1)   
  (1)RHII arcmin (n) Semimajor axis of largest ellipse that contains the center of a discrete Hα region (Note 1)   

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)RHII/R25  (n) Ratio of the furthest detectable discrete Hα region radius to the B-band surface brightness of 25mag/arcsec2 radius
  (1)RHII/RH  (n) Ratio of the furthest detectable discrete Hα region radius to the Holmberg radius
  (1)RHII/RD  (n) Ratio of the furthest detectable discrete Hα region radius to disk scale length
  (1)SimbadName (char) Designation understandable by the Simbad data-base
  (1)NED (char) ask the NED data-base about this object
  (1)R25 kpc (n) B-band 25mag/arcsec2 radius
  (1)RD kpc (n) Disk scale length
  (1)VMAG mag (n) Absolute V-band magnitude
  (1)logM [solMass](n) Logarithm of the total galactic atomic gas mass (Note 1)   
  (1)r_logM  (n) The HI mass reference
  (1)_RA deg (i) Computed Right Ascension for Equinox: J2000 (pos.eq.ra;meta.main)
  (1)_DE deg (i) Computed Declination for Equinox: J2000 (pos.eq.dec;meta.main)
  (2)Ref  Reference number
  (2)Bibcode (char) Bibcode
  (2)Aut (char) Author's name
  (2)Com (char) Comments

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