VizieR

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

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/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/galaxiesObserved and derived parameters of the studied irregular galaxies (tables 3 and 4 of the paper) (140 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)
  MType (char) Galaxy type
  Name (char) Galaxy name
  logHa [10-7W] Logarithm of the reddening-corrected Hα luminosity
  e_logHa [10-7W] (n) Error in logHa
  logMd [solMass/yr](n) Logarithm of the star formation rate
  logM25 [solMass/yr/kpc2](n) Logarithm of the integrated star formation rate normalized to the area of the galaxy within R25
  logMD [solMass/yr/kpc2](n) Logarithm of the integrated star formation rate normalized to the area of the galaxy within RD
  logtau [yr] (n) Logarithm of the time to exhaust the total current galaxy gas content at the current star formation rate
  RHa arcmin (n) Semimajor axis of largest ellipse that contains Hα emission (Note 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
  RHII/R25  (n) Ratio of the furthest detectable discrete Hα region radius to the B-band surface brightness of 25mag/arcsec2 radius
  RHII/RH  (n) Ratio of the furthest detectable discrete Hα region radius to the Holmberg radius
  RHII/RD  (n) Ratio of the furthest detectable discrete Hα region radius to disk scale length
  SimbadName (char) Designation understandable by the Simbad data-base
  NED  ask the NED data-base about this object
  R25 kpc (n) B-band 25mag/arcsec2 radius
  RD kpc (n) Disk scale length
  VMAG mag (n) Absolute V-band magnitude
  logM [solMass](n) Logarithm of the total galactic atomic gas mass (Note 1)   
  r_logM  (n) The HI mass reference
  _RA deg (i) Computed Right Ascension for Equinox: J2000 (pos.eq.ra;meta.main)
  _DE deg (i) Computed Declination for Equinox: J2000 (pos.eq.dec;meta.main)

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