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Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
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NB: The epoch used for the query is the original epoch of the table(s)Radius Box size

  
J/ApJ/915/21
  CHAOS. VI. Direct abundances in NGC 2403 (Rogers+, 2021)
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2021ApJ...915...21R
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Post annotation 		img(gal)
1.J/ApJ/915/21/table2*NGC 2403 MODS/LBT observations (Note) (33 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)
  Gal (char) Galaxy name (meta.id.parent)
  ID (char) (i) HII region ID within galaxy (Note G1)   (meta.id;meta.main)
  RAJ2000 "h:m:s" (i) Hour of right ascension (J2000) (pos.eq.ra;meta.main)
  DEJ2000 "d:m:s" (i) Degree of declination (J2000) (pos.eq.dec;meta.main)
  Rg arcsec [32.58/411.4] Radial distance of the region in arcsec (phys.angSize)
  Rg/Re   [0.18/2.31] Radial distance of the region normalized to the effective radius, Re (pos.distance;arith.ratio;obs.field)
  Rg-kpc kpc [0.5/6.34] Radial distance of the region in kpc (phys.size.radius)
  OIII (char) Detection of [OIII]λ4363 auroral line within S/N>3 (meta.code)
  NII (char) Detection of [NII]λ5755 auroral line within S/N>3 (meta.code)
  SIII (char) Detection of [SIII]λ6312 auroral line within S/N>3 (meta.code)

ALL cols		    
 (i)indexed column
  OII (char) Detection of [OII]λλ7320,7330 auroral line within S/N>3 (Note 1)   (meta.code)
  SII (char) Detection of [SII]λλ4068,4076 auroral line within S/N>3 (Note 1)   (meta.code)
  RL-CII (char) CIIλ4267Å recombination line detection (meta.code)
  WR (char) Presence of Wolf-Rayet features in the HII region optical spectrum (meta.code)
  CHb  Reddening at Hβ, (Hβ) (Note 2)   (spect.line.intensity;arith.ratio)
  e_CHb  Lower uncertainty on CHb (stat.error)
  E_CHb  Upper uncertainty on CHb (stat.error;stat.max)
  aH  The underlying stellar absorption, aH (Note 2)   (phys.absorption)
  e_aH  Lower uncertainty on aH (stat.error)
  E_aH  Upper uncertainty on aH (stat.error;stat.max)
  FHb 10-19W/m2The integrated Hβ flux density, F(Hβ), in units of 10–16erg/cm2/s (Note 2)   (phot.flux;em.line.Hbeta)
  e_FHb 10-19W/m2Lower uncertainty on FHb (stat.error)
  E_FHb 10-19W/m2Upper uncertainty on FHb (stat.error;stat.max)
  Lines  Display the emission line intensities for this region (link to Table A1) (meta.ref.url)

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