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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/ApJ/940/64
  HST obs. of NGC4258 Cepheids and HII regions (Yuan+, 2022)
ReadMe+ftp
2022ApJ...940...64Y
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJ/940/64/table4H II region metallicity measurements (52 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)
  ID (char) HII Region ID ({b/n}NN) (Note 1)   (meta.id;meta.main)
  RAJ2000 deg (i) [184.6/184.9] Right Ascension (J2000) (pos.eq.ra;meta.main)
  DEJ2000 deg (i) [47.1/47.4] Declination (J2000) (pos.eq.dec;meta.main)
  Rad kpc [1.4/25.2] Deprojected radius (phys.angSize)
  R23   [2.7/8.6] R23 index, Oxygen-to-H_beta line flux ratio (phot.flux;arith.ratio)
  ZZ94   [8.37/9.1] Oxygen abundance Z on the Zaritsky+ 1994ApJ...420...87Z scale (phys.abund.Z)
  ZPP04   [8.2/8.9] Oxygen abundance Z transformed to the Pettini & Pagel 2004MNRAS.348L..59P scale (phys.abund.Z)
  sigma   [0.03/0.08] Uncertainty in oxygen abundance Z (stat.error;phys.abund.Z)
  Source (char) Source(s) (Note 2)   (meta.ref)
  SimbadName (char) (n)Designation understandable by the Simbad data-base (meta.id)

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