VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .
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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/545/A43
  HII regions in NGC 628 and NGC 6946 (Cedres+, 2012)
ReadMe+ftp
2012A&A...545A..43C
Similar Catalogs
Post annotation 		img(gal)
1.J/A+A/545/A43/ngc628(c)NGC 628 HII regions data (Note) (209 rows)
2.J/A+A/545/A43/ngc6946(c)NGC 6946 HII regions data (Note) (226 rows)
Help Xmatch is

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)Seq  Sequential number, within the galaxy (meta.record)
   (ALL)Xoff arcsec Offset along X (pos.eq.ra;arith.diff)
   (ALL)Yoff arcsec Offset along Y (pos.eq.dec;arith.diff)
   (ALL)R arcmin Deprojected radius (pos.angDistance)
   (ALL)FHa 10-17W/m2Hα flux, extinction corrected (in 10–14erg/cm2/s) (phot.flux;em.line.Halpha)
   (ALL)e_FHa 10-17W/m2rms uncertainty on FHa (stat.error)
   (ALL)AV mag Absorption in V band (phot.mag;em.opt.V)
   (ALL)e_AV mag rms uncertainty on AV (stat.error)
   (ALL)Area arcsec+2 Area (phys.area)
   (ALL)[EWHa] [0.1nm] Hα equivalent width (log scale) (spect.line.eqWidth)

ALL cols		    
 (i)indexed column
   (ALL)e_[EWHa] [0.1nm] rms uncertainty on [EWHa] (stat.error)
   (ALL)FHb 10-17W/m2Hβ flux in (in 10–14erg/cm2/s) (phot.flux;em.line.Hbeta)
   (ALL)e_FHb 10-17W/m2rms uncertainty on FHb (stat.error)
   (ALL)[OII/Hb] [-] (n) Abundance ratio log([OII]/Hβ), extinction corrected (phys.abund)
   (ALL)e_[OII/Hb] [-] (n) rms uncertainty on [OII]/Hb) (stat.error)
   (ALL)[OIII/Hb] [-] (n) Abundance ratio log([OIII]/Hβ), extinction corrected (phys.abund)
   (ALL)e_[OIII/Hb] [-] (n) rms uncertainty on [OIII/Hb] (stat.error)
   (ALL)P  (n) Excitation P parameter (Note 1)   (spect.index)
   (ALL)logR23 [-] (n) R23 parameter (Note 2)   (spect.index)
   (ALL)eps(O/H) [-] (n) Metallicity, 12+log(O/H) (phys.abund.Z)
   (ALL)e_eps(O/H) [-] (n) rms uncertainty on 12+log(O/H) (stat.error)
   (ALL)_RA deg (i) Position computed from center (01:36:41.77+15:47:00.5) and Xoff/Yoff (right ascension part) (pos.eq.ra;meta.main)
   (ALL)_DE deg (i) Position computed from center (01:36:41.77+15:47:00.5) and Xoff/Yoff (declination part) (pos.eq.dec;meta.main)

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